25 Sep 2007 19:04:30
Sheldon
Computer -- Wrist or Console and why?

Sheldon




25 Sep 2007 18:28:32
Greg Mossman
Re: Computer -- Wrist or Console and why?

On Sep 25, 6:04 pm, "Sheldon" <shel...@XXXXXXXXsopris.net > wrote:
> Sheldon

I like wrist computers for the same reason why we went from pocket to
wrist watches. The hoseless air-integrated kind shows tank pressure
as well, so you don't need a high-pressure hose at all.

Some people might call the wrist a potential snag hazard, but if my
wrist ever gets caught up in something and I can't free it, I'm
prepared to saw it off with my serrated dive knife.



25 Sep 2007 21:12:07
Grumman-581
Re: Computer -- Wrist or Console and why?

Although I prefer it on my wrist, there is a certain disadvantage if
your eyesight is such that your arms are not long enough to see things
close up... If I'm wearing my prescription lenses, I have difficult
reading it on my wrist, but when on a console, it is far enough out
that I can more easily read it... If I'm not wearing prescription
lenses, I can read it on my wrist, but things at a distance are a bit
more blurry... Of course, when I'm diving in water that only has 10 ft
visibility, there's not much purpose in worry about my distance
vision...

Another option is a small console type single boot on it and having it
clipped to a chest D-ring on your harness...


26 Sep 2007 03:24:21
mag3
Re: Computer -- Wrist or Console and why?

On Tue, 25 Sep 2007 19:04:30 -0600, "Sheldon" <sheldon@XXXXXXXXsopris.net > wrote:

Well, if they made a wrist version with a display as big as some of the air integrated consoles
I'd get one. As they don't (to my knowledge), I go with the Datamax Pro Plus II. As stated in an
earlier thread, I prefer seeing my depth/remaining pressure etc. in very big letters so I don't
have to spend those few extra seconds staring at it underwater.

____________________________________________
Regards,

Arnold


26 Sep 2007 14:47:48
dechucka
Re: Computer -- Wrist or Console and why?


"Sheldon" <sheldon@XXXXXXXXsopris.net > wrote in message
news:uZudnQAAz_w3MmTbnZ2dnUVZ_r-vnZ2d@comcast.com...
> Sheldon

I have mine in the consule as I dive with a watch on my left wrist. I have
dived with a wrist computer on my right wrist ( when using borrowed gear )
and apart from having to take a second to locate it it made no difference.
Figure out what you want from your computer and how much you want to pay and
pick what you are happier with
>
>




26 Sep 2007 07:10:29
Lee Bell
Re: Computer -- Wrist or Console and why?

There really is no universal answer to this one. There are advantages to
both options. I sometimes wear one on my wrist, but pretty much always have
one on the console. If there's one on my wrist, it's my primary. The one in
my console goes along because it's easier to take it than to leave it.

A wrist mounted computer is easier to check occasionally. It does not need
to be unsecured and resecured each time you refer to it. Since it is
separate from your regulator, it can also be an advantage for travel. When
carry on space is limited, your regulator can be checked while your more
sensitive and more pressure sensitive computer accompanies you. It's also
usually easier to change the batteries in a wrist mount computer.

One of the downsides to a wrist mount is that, generally speaking, it goes
where your hand and arm go. I spearfish and hunt lobster. Both activities
sometimes involve reaching into a hole in some rocky surface. That can be
hard on a computer. Other disadvantages include the fact that it's easier to
leave behind, or misplace, than one that's more or less permanently attached
to your regulator. I recently lost track of one of my computers for an
extended period. I thought I'd left it on a dive boat. It showed up when I
cleaned out the back of the closet where my dive gear normally lives.
Another disadvantage of a wrist mount, for those of us that favor non
integrated models, is that you still have to put your other devices
somewhere. You still have a SPG and most of us also have a compass and
watch. You only have two wrists.

The disadvantages of a wrist mount are generally the advantages of a console
mount. Mine is in a relatively compact console along with my compass and
SPG. It's on a shorter than normal hose and clips off pretty much like DIR
divers clip off their SPGs. Having to unclip and reclip it to keep the hose
and console under control is a bit of a hassel, but I'm used to it. It's
safe from damage, always there, and the console puts most of my dive control
devices in the same place. I can check my deco status, check my gas supply
and check my compass, all at once. When I wore a jacket style BCD, my
computer was on a somewhat longer hose and attached by a hose clip, to a
D-ring on the right side of my BCD. If turned the right way, I could
reference it without touching it. I'd have trouble doing that these days
since age has made me more far sighted. My chest is too close for me to see
clearly and I've yet to find bifocal lenses for my mask that I like well
enough to pay for. As my sight continues to change, that may have to change
as well.

I wear a Citizen HyperAqualand watch on my left wrist. Since it has a built
in dive timer and depth gauge, it kind of makes up for the inconvenience of
wearing a console mounted computer. Frankly, most of my dives are done much
the same way Curtis's are. I plan them in advance, at least far enough to
know if decompression is going to be a significant issue, and do them pretty
much based on time and depth rather than by my computer. I do check the
computer from time to time, but usually to ensure that the variations in my
profile have not significantly affected my expectations regarding
decompression. The closer I get to my no deco limit, the more attention I
pay to my computer. Once I am out of no deco time, I use my computer to
provide information used to plan my eventual ascent, including any stops.
Once that ascent begins, though, I'm usually back to depth and time. I check
the computer at each stop it requires just to make sure I've kept it happy,
but my primary tool at that point is still my watch's depth gauge and timer.

If I"m wearing a wrist mount computer, usually a multi gas model to assist
me on dives with significant decompression, it goes on my right wrist. My
console still contains my SPG and compass, so it pretty much always goes
with me. If I'm doing a multi gas dive, I either don't turn on my console
computer, or I take a chance of making it think I'm bent. My profiles are
normally conservative enough to clear any deco my console mount computer
thinks I have, but not always.

So, bottom line is that I normally prefer a console mounted computer because
it's hard to leave behind, because it is safer from risks of damage
associated with my diving activities, because it puts all of my dive
planning information together in one place and because, having a preference
for non integrated computers, I have to have something on the end of a hose
anyway. YMMV.

Lee




26 Sep 2007 07:14:28
nitespark
Re: Computer -- Wrist or Console and why?

Greg Mossman wrote:
> On Sep 25, 6:04 pm, "Sheldon" <shel...@XXXXXXXXsopris.net> wrote:
>
>>Sheldon
>
>
> I like wrist computers for the same reason why we went from pocket to
> wrist watches. The hoseless air-integrated kind shows tank pressure
> as well, so you don't need a high-pressure hose at all.

Which is what I use (Aladin Air-Z Nitrox). You have also eliminated an
additional point of failure with the high pressure line. I will say I
have lost tank pressure readout on occasions but that is usually
attributed to a camera strobe going off. Pressure displays again in a
few seconds.
>
> Some people might call the wrist a potential snag hazard, but if my
> wrist ever gets caught up in something and I can't free it, I'm
> prepared to saw it off with my serrated dive knife.
>

Hell Greg, I figure you don't need no stinkin' dive knife. You would
just gnaw it off.


26 Sep 2007 11:55:57
Art Greenberg
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 03:24:21 GMT, mag3 wrote:
> I prefer seeing my depth/remaining pressure etc. in very big letters
> so I don't have to spend those few extra seconds staring at it
> underwater.

When I experience that problem, its not because of my eyesight. Usually
happens deeper than 80-90 feet. 8-)

--
Art Greenberg
artg at eclipse dot net



26 Sep 2007 09:25:36
Chris Guynn
Re: Computer -- Wrist or Console and why?


"Grumman-581" <grumman581@DIE-SPAMMER-SCUM-gmail.com > wrote in message
news:ijfjf3lvmnnrbmubo73o24rtd51lkos2v6@4ax.com...
> Although I prefer it on my wrist, there is a certain disadvantage if
> your eyesight is such that your arms are not long enough to see things
> close up... If I'm wearing my prescription lenses, I have difficult
> reading it on my wrist, but when on a console, it is far enough out
> that I can more easily read it... If I'm not wearing prescription
> lenses, I can read it on my wrist, but things at a distance are a bit
> more blurry... Of course, when I'm diving in water that only has 10 ft
> visibility, there's not much purpose in worry about my distance
> vision...
>
> Another option is a small console type single boot on it and having it
> clipped to a chest D-ring on your harness...

There's also one of these to further complicate the issue.

http://www.oceanicworldwide.com/p_computers_iddm.html




26 Sep 2007 14:56:08
Al Wells
Re: Computer -- Wrist or Console and why?

Definitely wrist. You get better dives if you have several computers and
use a nice fresh one for each dive. Changing them out between dives is a
PITA in a console.


26 Sep 2007 08:34:31
Greg Mossman
Re: Computer -- Wrist or Console and why?

On Sep 26, 4:14 am, nitespark <nitesp...@cox.net > wrote:

> > I like wrist computers for the same reason why we went from pocket to
> > wrist watches. The hoseless air-integrated kind shows tank pressure
> > as well, so you don't need a high-pressure hose at all.
>
> Which is what I use (Aladin Air-Z Nitrox). You have also eliminated an
> additional point of failure with the high pressure line. I will say I
> have lost tank pressure readout on occasions but that is usually
> attributed to a camera strobe going off. Pressure displays again in a
> few seconds.

I don't know if it's a design flaw or if it's my particular computer
that's malfunctioning, but the problem I have with my Suunto is that
it will occasionally lose the pressure readout if enough time lapses
before I get in the water for it to go back to time display mode.
It's no problem at all if I'm able to dive soon after turning on the
air, but if I leave the tank open and stay on the surface for a
moderate length of time (long surface swim or skiff ride, for
instance) it sometimes loses the connection and doesn't easily regain
it. Most times I remember to keep it in dive mode by pushing one of
the lower buttons every minute or so, but if I forget and it
disconnects, it can be problematic.

Usually I've been able to "reconnect" the pressure readout by closing
the valve, purging, and then opening the valve, but twice now the
pressure readout didn't want to come back on and I ended up using my
backup for the pressure readout: once after shutting off during the
surface swim to the "deep wall" off Cobalt Coast in Grand Cayman, and
once after a skiff ride to a dive site in the Galapagos where I had a
skiff-full of divers impatiently waiting on me to try to get my
computer fixed before we did our synchronized back-roll, so I finally
gave up and went to the backup.

I'm convinced it's probably just my computer and if it is, I'm
probably SOL since I bought it from LeisurePro. Therefore, I don't
usually dive it now without a backup. Since I'm afraid to trust the
Cochran's ultraliberal profiles, but it's rock solid on the pressure
transmission, they're a good match.



26 Sep 2007 15:49:40
-hh
Re: Computer -- Wrist or Console and why?

"Lee Bell" <pleeb...@bellsouth.net > wrote:
> There really is no universal answer to this one. There
> are advantages to both options.

Agreed.


> A wrist mounted computer is easier to check occasionally.
> It does not need to be unsecured and resecured each time
> you refer to it.

Un/re-securing can depend on your configuration. And in counterpoint,
the console generally is an "everything in one place" type of
configuration, which means that when you look to your gages for Data
on X, you're more likely to check Y and Z while you're there too.

> Since it is separate from your regulator, it can also be
> an advantage for travel. When carry on space is limited,
> your regulator can be checked while your more sensitive
> and more pressure sensitive computer accompanies you.

My 'more sensitive' equipment is the photo gear. As such, the dive
computer has been going checked bag for years now...as does also some
of the photo gear now (mostly evil tools that aren't allowed in carry-
on, because I might disassemble the aircraft while in flight).


> It's also
> usually easier to change the batteries in a wrist mount computer.

This assumes that one considers having a user-replacable flood
sources...er, "battery compartments"... to be a feature instead of a
liability.


> One of the downsides to a wrist mount is that, generally
> speaking, it goes where your hand and arm go.

Which also includes down the arm of a wetsuit and drysuit, meaning...

> Other disadvantages include the fact that it's easier to
> leave behind, or misplace, than one that's more or less
> permanently attached to your regulator. I recently lost
> track of one of my computers for an extended period.
> I thought I'd left it on a dive boat. It showed up when I
> cleaned out the back of the closet ...

This 'misplacing' can also occur between dives. In tropical settings,
its not uncommon to strip off the wetsuit top during the SI between
dives, and to get the sleeves off, the wrist computer comes off. Not
only have I seen wrist computers fall to the deck and try to leap off
the transom for a solo dive, I've also had friends with the same
computer model accidentally gear-up with the other's computer.


> Another disadvantage of a wrist mount, for those of us
> that favor non-integrated models, is that you still have
> to put your other devices somewhere. You still have a
> SPG and most of us also have a compass and
> watch. You only have two wrists.

Placeholder comment: preferring non-Air Integrated (non-AI) means a
preference for less complexity, which means fewer things that can go
wrong. There's a valid debate over the relative reliability of
electronics versus analog gages, but this usually doesn't take into
account that electronics tend to fry and go nuts, whereas a failing
analog gage tends to have a more graceful ... and comprehendable ...
failure more.

> The disadvantages of a wrist mount are generally the
> advantages of a console mount.

Hence, TANSTAAFL.


> So, bottom line is that I normally prefer a console mounted
> computer because it's hard to leave behind, because it is
> safer from risks of damage associated with my diving
> activities, because it puts all of my dive planning information
> together in one place and because, having a preference
> for non integrated computers, I have to have something
> on the end of a hose anyway. YMMV.

Pretty much the same general summary for me: console.


-hh



26 Sep 2007 10:51:10
ben bradlee
Re: Computer -- Wrist or Console and why?


"Al Wells" <al.wells@gmail.com > wrote in message
news:MPG.21643d399bfddaa98995b@news.verizon.net...
> Definitely wrist. You get better dives if you have several computers and
> use a nice fresh one for each dive. Changing them out between dives is a
> PITA in a console.

And not air integrated. If you leave the computer on the boat during the
dive, you'll know how much air you have and you don't need to change out to
a fresh one for the next dive. Go on dive two using the computer you forgot
to take on dive one. ;-)) This works especially good on the last day of a
vacation. Do a dive then go back to the motel to look at the computer to
see how long before you can fly. On most occasions you are good to go.




26 Sep 2007 13:10:29
nitespark
Re: Computer -- Wrist or Console and why?

Greg Mossman wrote:
> On Sep 26, 4:14 am, nitespark <nitesp...@cox.net> wrote:
>
>
>>>I like wrist computers for the same reason why we went from pocket to
>>>wrist watches. The hoseless air-integrated kind shows tank pressure
>>>as well, so you don't need a high-pressure hose at all.
>>
>>Which is what I use (Aladin Air-Z Nitrox). You have also eliminated an
>>additional point of failure with the high pressure line. I will say I
>>have lost tank pressure readout on occasions but that is usually
>>attributed to a camera strobe going off. Pressure displays again in a
>>few seconds.
>
>
> I don't know if it's a design flaw or if it's my particular computer
> that's malfunctioning, but the problem I have with my Suunto is that
> it will occasionally lose the pressure readout if enough time lapses
> before I get in the water for it to go back to time display mode.
> It's no problem at all if I'm able to dive soon after turning on the
> air, but if I leave the tank open and stay on the surface for a
> moderate length of time (long surface swim or skiff ride, for
> instance) it sometimes loses the connection and doesn't easily regain
> it. Most times I remember to keep it in dive mode by pushing one of
> the lower buttons every minute or so, but if I forget and it
> disconnects, it can be problematic.

Not familiar with the Suunto computers. My Uwatec stays "asleep" until
I hit the water. I can "wake" it up by touching to contact points to
check pre-dive tank pressure.

One thing you might try if you havn't already is hold the computer up
close to the transmitter for 10-20 seconds when it loses pressure. I
wear my computer on my left arm and have (not often) lost the pressure
reading, and "reconnected" by holding my computer up as close to the
regulator (transmitter) as I can.

FWIW, I will becoming a bit more familiar with Suunto very soon. I
purchased a D6 dive watch which I am waiting to arrive.

>


26 Sep 2007 13:11:53
nitespark
Re: Computer -- Wrist or Console and why?

Al Wells wrote:

> Definitely wrist. You get better dives if you have several computers and
> use a nice fresh one for each dive. Changing them out between dives is a
> PITA in a console.

Cruel....very very cruel.


26 Sep 2007 18:14:01
Art Greenberg
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 14:56:08 GMT, Al Wells wrote:
> Definitely wrist. You get better dives if you have several computers
> and use a nice fresh one for each dive. Changing them out between
> dives is a PITA in a console.

And with a wrist mount, if you have only one computer, its easier to
hang it off the boat to finish the computer's deco while you have lunch.

--
Art Greenberg
artg at eclipse dot net



26 Sep 2007 11:32:49
Greg Mossman
Re: Computer -- Wrist or Console and why?

On Sep 26, 10:10 am, nitespark <nitesp...@cox.net > wrote:

> One thing you might try if you havn't already is hold the computer up
> close to the transmitter for 10-20 seconds when it loses pressure. I
> wear my computer on my left arm and have (not often) lost the pressure
> reading, and "reconnected" by holding my computer up as close to the
> regulator (transmitter) as I can.

Don't worry, I've tried that too, until my arm gets sore from holding
it behind my head next to the transmitter. The Uwatec sometimes seems
to transmit better underwater and I've notice that it will "wake up"
even if it's not transmitting on the surface - maybe water conducts
better? But not the Suunto. If I descend after it's "disconnected"
it remains disconnected the entire dive - where the tank pressure
should be, it simply reads "OFF". Obviously without a backup pressure
gauge of some sort or at least a J-valve, that could be troublesome.

> FWIW, I will becoming a bit more familiar with Suunto very soon. I
> purchased a D6 dive watch which I am waiting to arrive.

I'll be curious to find out if you have the same problem.



26 Sep 2007 18:38:57
Al Wells
Re: Computer -- Wrist or Console and why?

In article <13fl8b9t2u40932@news.supernews.com >, none@none.invalid
says...
> And with a wrist mount, if you have only one computer, its easier to
> hang it off the boat to finish the computer's deco while you have lunch.

Excellent point Art. If the computer wants to stay at 20 ft for another
half hour while you have lunch, the wrist mount is easy to remove and
has a convenient built-in strap to attach to the deco line. Just think
of what a hassle it would be to have to remove the computer from your
console and then figure out a way to attach it to the line.


26 Sep 2007 20:18:26
mag3
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 14:56:08 GMT, Al Wells <al.wells@gmail.com > wrote:

>Definitely wrist. You get better dives if you have several computers and
>use a nice fresh one for each dive. Changing them out between dives is a
>PITA in a console.

Another reason I like the Pro Plus II. Quick disconnect hose. :-)
____________________________________________
Regards,

Arnold


26 Sep 2007 16:28:27
El Stroko Guapo
Re: Computer -- Wrist or Console and why?

Al Wells wrote:
> Definitely wrist. You get better dives if you have several computers and
> use a nice fresh one for each dive. Changing them out between dives is a
> PITA in a console.
>
Nawwww.... ya just carry a complete spare console with spare computer.
Unscrew the hp hose, screw the fresh one on, and VOILA! (as the froggies
say) no accumulated obligation.

esg



26 Sep 2007 16:32:25
El Stroko Guapo
Re: Computer -- Wrist or Console and why?

Al Wells wrote:

> In article <13fl8b9t2u40932@news.supernews.com>, none@none.invalid
> says...
>
>>And with a wrist mount, if you have only one computer, its easier to
>>hang it off the boat to finish the computer's deco while you have lunch.
>
>
> Excellent point Art. If the computer wants to stay at 20 ft for another
> half hour while you have lunch, the wrist mount is easy to remove and
> has a convenient built-in strap to attach to the deco line. Just think
> of what a hassle it would be to have to remove the computer from your
> console and then figure out a way to attach it to the line.
>
You guys are such weenies! Clip yer bc to the ascent line, slip out of
yer rig, and ascend. Makes it easy to get on the boat. And it's right
there on the descent line when ya go back in,

esg



26 Sep 2007 16:36:59
nitespark
Re: Computer -- Wrist or Console and why?

Greg Mossman wrote:
> On Sep 26, 10:10 am, nitespark <nitesp...@cox.net> wrote:
>
>
>>One thing you might try if you havn't already is hold the computer up
>>close to the transmitter for 10-20 seconds when it loses pressure. I
>>wear my computer on my left arm and have (not often) lost the pressure
>>reading, and "reconnected" by holding my computer up as close to the
>>regulator (transmitter) as I can.
>
>
> Don't worry, I've tried that too, until my arm gets sore from holding
> it behind my head next to the transmitter. The Uwatec sometimes seems
> to transmit better underwater and I've notice that it will "wake up"
> even if it's not transmitting on the surface - maybe water conducts
> better? But not the Suunto. If I descend after it's "disconnected"
> it remains disconnected the entire dive - where the tank pressure
> should be, it simply reads "OFF". Obviously without a backup pressure
> gauge of some sort or at least a J-valve, that could be troublesome.
>
>
>>FWIW, I will becoming a bit more familiar with Suunto very soon. I
>>purchased a D6 dive watch which I am waiting to arrive.
>
>
> I'll be curious to find out if you have the same problem.
>

The D6 is not integrated. If I tried to get it to read tank pressure, I
would be holding it up to the regulator for a VERY looooooonnnnnng time.



26 Sep 2007 20:54:13
Al Wells
Re: Computer -- Wrist or Console and why?

In article <13flgh1bdvl7v69@corp.supernews.com >, omgray@earthlink.net
says...
> You guys are such weenies! Clip yer bc to the ascent line, slip out of
> yer rig, and ascend. Makes it easy to get on the boat. And it's right
> there on the descent line when ya go back in,

Why did I ascend if my tank wasn't empty? Geesh, I run rings 'round you
logically.


26 Sep 2007 14:56:49
Scott
Re: Computer -- Wrist or Console and why?


"Al Wells" <al.wells@gmail.com > wrote in message
news:MPG.21643d399bfddaa98995b@news.verizon.net...
> Definitely wrist. You get better dives if you have several computers and
> use a nice fresh one for each dive. Changing them out between dives is a
> PITA in a console.

<cough >

Changing out your Homo Sapiens Mike Model 0 between dives would be an issue,
even with new batteries.




26 Sep 2007 17:00:42
Chris Guynn
Re: Computer -- Wrist or Console and why?


"Scott" <pugetsounddiver@gmail.com > wrote in message
news:CI2dnbjaZLBISWfbnZ2dnUVZ_rignZ2d@whidbeytel.com...
>
> "Al Wells" <al.wells@gmail.com> wrote in message
> news:MPG.21643d399bfddaa98995b@news.verizon.net...
> > Definitely wrist. You get better dives if you have several computers and
> > use a nice fresh one for each dive. Changing them out between dives is a
> > PITA in a console.
>
> <cough>
>
> Changing out your Homo Sapiens Mike Model 0 between dives would be an
issue,
> even with new batteries.

I've met some women whos Mike (mic) I wouldn't mind removing.




26 Sep 2007 17:17:24
Grumman-581
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 14:56:49 -0700, "Scott"
<pugetsounddiver@gmail.com > wrote:


> Changing out your Homo Sapiens Mike Model 0 between dives would be an issue,
> even with new batteries.

Not for Democrats... All they need is a vacuum pump to transfer the
vacuum from one 'container' to another...


26 Sep 2007 19:18:10
Dan Bracuk
Re: Computer -- Wrist or Console and why?

mag3 <zmpmag3-plongee@yahoo.com > pounded away at his keyboard
resulting in:
:Another reason I like the Pro Plus II. Quick disconnect hose. :-)

I used to have one of those. It kept coming loose so I stopped using
it.

Forgetting wrist vs console for a second, some other considerations
are:

ease of battery changing. on my old Oceanic Hockey puck, all I need
is a quarter. With Patti's new Oceanic Versa pro, you need tools and
manual dexterity.

lack of alarms or the ability to disable them. they are so annoying.

simplicity. for the most part, all you need to know is how long you
can stay at your current depth and what that depth is.


Dan Bracuk
Never use a big word when a diminutive one will do.

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----


26 Sep 2007 16:58:37
Greg Mossman
Re: Computer -- Wrist or Console and why?

On Sep 26, 5:18 pm, Dan Bracuk <NOTbra...@pathcom.com > wrote:
> mag3 <zmpmag3-plon...@yahoo.com> pounded away at his keyboard

> lack of alarms or the ability to disable them. they are so annoying.

I disabled all mine on the Suunto, but on my last trip I discovered a
good use for them and wish I had left them on. When chasing down
whalesharks with a video camera in blue water, no visual reference
other than said whaleshark, it might be a good thing to set the
computer to beep at a MOD. There's no time to take one's eyes or hand
off the camera to check depth and that can be dangerous when diving
nitrox.



27 Sep 2007 00:23:22
George Cathcart
Re: Computer -- Wrist or Console and why?

On Sep 26, 7:58 pm, Greg Mossman <moss...@qnet.com > wrote:
> On Sep 26, 5:18 pm, Dan Bracuk <NOTbra...@pathcom.com> wrote:
>
> > mag3 <zmpmag3-plon...@yahoo.com> pounded away at his keyboard
> > lack of alarms or the ability to disable them. they are so annoying.
>
> I disabled all mine on the Suunto, but on my last trip I discovered a
> good use for them and wish I had left them on. When chasing down
> whalesharks with a video camera in blue water, no visual reference
> other than said whaleshark, it might be a good thing to set the
> computer to beep at a MOD. There's no time to take one's eyes or hand
> off the camera to check depth and that can be dangerous when diving
> nitrox.

Why not strap your computer on the video housing near the viewfinder?

Actually, that might not be far fetched. There's a mask now that can
display all your computer's information on the inside, so why not a
housing that can do the same?

gc



27 Sep 2007 00:26:09
chilly
Re: Computer -- Wrist or Console and why?


"nitespark" <nitespark@cox.net > wrote in message
news:QpzKi.333052$dA7.47550@newsfe16.lga...
> Greg Mossman wrote:
> >>FWIW, I will becoming a bit more familiar with Suunto very soon. I
> >>purchased a D6 dive watch which I am waiting to arrive.
> >
> >
> > I'll be curious to find out if you have the same problem.
> >
>
> The D6 is not integrated. If I tried to get it to read tank pressure, I
> would be holding it up to the regulator for a VERY looooooonnnnnng time.

Be patient. Maybe it will eventually catch on.

;^)




27 Sep 2007 00:34:12
chilly
Re: Computer -- Wrist or Console and why?


"-hh" <recscuba_google@huntzinger.com > wrote in message
news:1190821780.889203.291890@o80g2000hse.googlegroups.com...
(snip) >
> > Other disadvantages include the fact that it's easier to
> > leave behind, or misplace, than one that's more or less
> > permanently attached to your regulator. I recently lost
> > track of one of my computers for an extended period.
> > I thought I'd left it on a dive boat. It showed up when I
> > cleaned out the back of the closet ...
>
> This 'misplacing' can also occur between dives. In tropical settings,
> its not uncommon to strip off the wetsuit top during the SI between
> dives, and to get the sleeves off, the wrist computer comes off. Not
> only have I seen wrist computers fall to the deck and try to leap off
> the transom for a solo dive, I've also had friends with the same
> computer model accidentally gear-up with the other's computer.

Discipline is key. You must do it the same way every time, all the time.

I take it off, I put the strap in between my teeth and I don't take the
strap out from between my teeth unless I am a) putting the computer back on
my wrist or attaching to a console.

When I return to shore and remove my wetsuit, as soon as my left arm is out
of the suit, I put the computer back on my wrist before proceeding.

So far so good and none of my front teeth have fallen out yet either.

In the end, this ensures that my computer gets back to the room with me
everyday and worry about theft or accident is significantly minimalized.
However, I have forgotten to put it on my wrist in the morning before
leaving the room to go to the boat. Of course, this could also happen with
a console computer that was removed and taken back to the room.

(snip) > > > So, bottom line is that I normally prefer a console mounted
> > computer because it's hard to leave behind, because it is
> > safer from risks of damage associated with my diving
> > activities, because it puts all of my dive planning information
> > together in one place and because, having a preference
> > for non integrated computers, I have to have something
> > on the end of a hose anyway. YMMV.
>
> Pretty much the same general summary for me: console.

You guys take care of your own regs all the time, don't you? You never
leave your regs overnight in the shop?





26 Sep 2007 20:47:13
Lee Bell
Re: Computer -- Wrist or Console and why?

Al Wells wrote

> Definitely wrist. You get better dives if you have several computers and
> use a nice fresh one for each dive. Changing them out between dives is a
> PITA in a console.

Easier if you have more than one console.




26 Sep 2007 20:47:58
JOF
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 20:54:13 GMT, Al Wells <al.wells@gmail.com > wrote:

>In article <13flgh1bdvl7v69@corp.supernews.com>, omgray@earthlink.net
>says...
>> You guys are such weenies! Clip yer bc to the ascent line, slip out of
>> yer rig, and ascend. Makes it easy to get on the boat. And it's right
>> there on the descent line when ya go back in,
>
>Why did I ascend if my tank wasn't empty? Geesh, I run rings 'round you
>logically.

Mike thinks everybody else breathes like a girl too.

JF



26 Sep 2007 20:49:12
Lee Bell
Re: Computer -- Wrist or Console and why?

Al Wells wrote

>> You guys are such weenies! Clip yer bc to the ascent line, slip out of
>> yer rig, and ascend. Makes it easy to get on the boat. And it's right
>> there on the descent line when ya go back in,
>
> Why did I ascend if my tank wasn't empty? Geesh, I run rings 'round you
> logically.

Because the captain told you to be back aboard in an hour.




26 Sep 2007 20:50:37
Lee Bell
Re: Computer -- Wrist or Console and why?

Scott wrote

> Changing out your Homo Sapiens Mike Model 0 between dives would be an
> issue,
> even with new batteries.

That one failed years ago.




26 Sep 2007 20:55:39
Lee Bell
Re: Computer -- Wrist or Console and why?

hh wrote

> My 'more sensitive' equipment is the photo gear. As such, the dive
> computer has been going checked bag for years now...as does also some
> of the photo gear now (mostly evil tools that aren't allowed in carry-
> on, because I might disassemble the aircraft while in flight).

The last couple of times I traveled for diving, my camera equipment went
into a Pelican case and got checked.

> This assumes that one considers having a user-replacable flood
> sources...er, "battery compartments"... to be a feature instead of a
> liability.

I will not buy another computer that I can't change the battery in myself.
If I can manage the O ring on my couple thousand dollars worth of camera
equipment, I can mange the one on my $100 computer.

> This 'misplacing' can also occur between dives. In tropical settings,
> its not uncommon to strip off the wetsuit top during the SI between
> dives, and to get the sleeves off, the wrist computer comes off.

That's very unusual in my experience. Mine stays on my wrist, over part of
the wetsuit and under other parts, a major PITA. Trust me, it's not easy to
undo the band on a dive computer through your wetsuit material.




26 Sep 2007 20:58:21
Lee Bell
Re: Computer -- Wrist or Console and why?

> Discipline is key. You must do it the same way every time, all the time.

No.

> You guys take care of your own regs all the time, don't you? You never
> leave your regs overnight in the shop?

Yes.

I'm missing the point.




26 Sep 2007 21:03:42
Dan Bracuk
Re: Computer -- Wrist or Console and why?

Greg Mossman <mossman@qnet.com > pounded away at his keyboard resulting
in:

:I disabled all mine on the Suunto, but on my last trip I discovered a
:good use for them and wish I had left them on. When chasing down
:whalesharks with a video camera in blue water, no visual reference
:other than said whaleshark, it might be a good thing to set the
:computer to beep at a MOD. There's no time to take one's eyes or hand
:off the camera to check depth and that can be dangerous when diving
:nitrox.

Dive with air.

Dan Bracuk
Never use a big word when a diminutive one will do.

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups
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26 Sep 2007 21:04:27
Dan Bracuk
Re: Computer -- Wrist or Console and why?

"chilly" <slarson@shaw.canada > pounded away at his keyboard resulting
in:

:You guys take care of your own regs all the time, don't you? You never
:leave your regs overnight in the shop?

I do.

Dan Bracuk
Never use a big word when a diminutive one will do.

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----


26 Sep 2007 18:17:11
Adam Helberg
Re: Computer -- Wrist or Console and why?

I have my Suunto Vyper on my right wrist and an old Prodigy in my console. I've also
noticed that the plastic on my Suunto gets more banged up than the console. Also I
find having the computer on my right wrist allows me to see my depth while I use the
left hand to control the BC during ascent.


Adam




26 Sep 2007 18:23:05
-hh
Re: Computer -- Wrist or Console and why?

"chilly" <slar...@shaw.canada > wrote:
> "-hh" <recscuba_goo...@huntzinger.com> wrote:
> >
> > This 'misplacing' can also occur between dives. In tropical
> > settings its not uncommon to strip off the wetsuit top during
> > the SI between dives, and to get the sleeves off, the wrist
> > computer comes off...
>
> Discipline is key. You must do it the same way every
> time, all the time.
>
> I take it off, I put the strap in between my teeth and I don't take
> the strap out from between my teeth unless I am a) putting
> the computer back on my wrist or attaching to a console.
>
> When I return to shore and remove my wetsuit, as soon
> as my left arm is out of the suit, I put the computer back
> on my wrist before proceeding.
>
> So far so good and none of my front teeth have fallen out yet either.

This is one method of compensation.

In the case of the two friends who got their wrists mixed up, both
were in the habit of taking their wrists off during the SI. Their
'discipline' was to put their computer "in the same spot" each day on
the diveboat ... unfortunately, both chose the port overhead bar in
the forward cabin, as we had found earlier that week that the forward
area was a bad idea (that's where an unsecured computer did bounce
down to the floor and try to make a run to the exit).


> However, I have forgotten to put it on my wrist in
> the morning before leaving the room to go to the boat.
> Of course, this could also happen with a console
> computer that was removed and taken back to the room.

"The pile of stuff" to carry out each day to the boat is a frequent
challenge. My 'disipline' here is to bag it all.


> > Pretty much the same general summary for me: console.
>
> You guys take care of your own regs all the time, don't you?
> You never leave your regs overnight in the shop?

Why should I be concerned about them being in the shop overnight?
Simple theft?


-hh



27 Sep 2007 01:39:18
chilly
Re: Computer -- Wrist or Console and why?


"Lee Bell" <pleebell@bellsouth.net > wrote in message
news:seDKi.58559$7e6.43933@bignews4.bellsouth.net...
> > Discipline is key. You must do it the same way every time, all the
time.
>
> No.

Don't you check your air the same way everytime before you hit the water
thereby ensuring that your tank is turned on? Don't you analyze your nitrox
mix every time all the time, the same way each time to avoid error?

>
> > You guys take care of your own regs all the time, don't you? You never
> > leave your regs overnight in the shop?
>
> Yes.
>
> I'm missing the point.

Yes, I think you are. It is very common for traveling divers to leave their
regs at the dive op overnight but leaving your computer at the shop
overnight isn't that wise. I once forgot mine and left it in my dive bag at
the shop. In the morning it didn't work and never worked again. I've no
idea what happened to it.

Another person who used a console computer (hockey puck), went diving
another morning and noticed that her computer wasn't working properly. She
popped it out of the console on the surface interval and immediately noticed
that it wasn't her computer. Someone had swapped them out.





27 Sep 2007 01:42:34
chilly
Re: Computer -- Wrist or Console and why?


"-hh" <recscuba_google@huntzinger.com > wrote in message
news:1190856185.637877.102870@r29g2000hsg.googlegroups.com...
> "chilly" <slar...@shaw.canada> wrote:

Sorry, I said a) putting it on my wrist or on the console. But I meant, a)
strapping it onto my wrist or b) strapping it onto a D-ring on my BCD.

> > So far so good and none of my front teeth have fallen out yet either.
>
> This is one method of compensation.
>
> In the case of the two friends who got their wrists mixed up, both
> were in the habit of taking their wrists off during the SI. Their
> 'discipline' was to put their computer "in the same spot" each day on
> the diveboat ... unfortunately, both chose the port overhead bar in
> the forward cabin, as we had found earlier that week that the forward
> area was a bad idea (that's where an unsecured computer did bounce
> down to the floor and try to make a run to the exit).

They were doing the straps up around the bar? You'd think they'd have
noticed that there computers were side by each.

> > However, I have forgotten to put it on my wrist in
> > the morning before leaving the room to go to the boat.
> > Of course, this could also happen with a console
> > computer that was removed and taken back to the room.
>
> "The pile of stuff" to carry out each day to the boat is a frequent
> challenge. My 'disipline' here is to bag it all.

Discipline is discipline. If you don't put it back where you got it, you
run the risk of showing up at the dive site without yer . .booties or dive
socks or weightbelt or whathaveyou . ..

> > > Pretty much the same general summary for me: console.
> >
> > You guys take care of your own regs all the time, don't you?
> > You never leave your regs overnight in the shop?
>
> Why should I be concerned about them being in the shop overnight?
> Simple theft?

See my reply to Lee. Simple theft in one event and whotheheck knows in the
other. All I know is that my brand new computer that had been working for
days quit working overnight . .never to work again. It shall remain a
mystery for all time. Fortunately, the manufacturer replaced it.





27 Sep 2007 01:42:35
chilly
Re: Computer -- Wrist or Console and why?


"Dan Bracuk" <NOTbracuk@pathcom.com > wrote in message
news:rs3mf3pfmfhkosnm0oodh4luapeino1u20@4ax.com...
> "chilly" <slarson@shaw.canada> pounded away at his keyboard resulting
> in:
>
> :You guys take care of your own regs all the time, don't you? You never
> :leave your regs overnight in the shop?
>
> I do.

:^)




26 Sep 2007 10:04:36
Sheldon
Re: Computer -- Wrist or Console and why?


"Chris Guynn" <chris.guynn@gamil.com > wrote in message
news:L4uKi.1396$P21.62@newssvr19.news.prodigy.net...
>
> "Grumman-581" <grumman581@DIE-SPAMMER-SCUM-gmail.com> wrote in message
> news:ijfjf3lvmnnrbmubo73o24rtd51lkos2v6@4ax.com...
>> Although I prefer it on my wrist, there is a certain disadvantage if
>> your eyesight is such that your arms are not long enough to see things
>> close up... If I'm wearing my prescription lenses, I have difficult
>> reading it on my wrist, but when on a console, it is far enough out
>> that I can more easily read it... If I'm not wearing prescription
>> lenses, I can read it on my wrist, but things at a distance are a bit
>> more blurry... Of course, when I'm diving in water that only has 10 ft
>> visibility, there's not much purpose in worry about my distance
>> vision...
>>
>> Another option is a small console type single boot on it and having it
>> clipped to a chest D-ring on your harness...
>
> There's also one of these to further complicate the issue.
>
> http://www.oceanicworldwide.com/p_computers_iddm.html
>
Thanks for spending all my money. :-) Does look very cool, however. If I
had unlimited funds, or dove everyday I just might go for it.




26 Sep 2007 10:13:21
Sheldon
Re: Computer -- Wrist or Console and why?


"-hh" <recscuba_google@huntzinger.com > wrote in message
news:1190821780.889203.291890@o80g2000hse.googlegroups.com...
> "Lee Bell" <pleeb...@bellsouth.net> wrote:
>> There really is no universal answer to this one. There
>> are advantages to both options.
>
> Agreed.
>
>
>> A wrist mounted computer is easier to check occasionally.
>> It does not need to be unsecured and resecured each time
>> you refer to it.
>
> Un/re-securing can depend on your configuration. And in counterpoint,
> the console generally is an "everything in one place" type of
> configuration, which means that when you look to your gages for Data
> on X, you're more likely to check Y and Z while you're there too.
>
>> Since it is separate from your regulator, it can also be
>> an advantage for travel. When carry on space is limited,
>> your regulator can be checked while your more sensitive
>> and more pressure sensitive computer accompanies you.
>
> My 'more sensitive' equipment is the photo gear. As such, the dive
> computer has been going checked bag for years now...as does also some
> of the photo gear now (mostly evil tools that aren't allowed in carry-
> on, because I might disassemble the aircraft while in flight).
>
>
>> It's also
>> usually easier to change the batteries in a wrist mount computer.
>
> This assumes that one considers having a user-replacable flood
> sources...er, "battery compartments"... to be a feature instead of a
> liability.
>
>
>> One of the downsides to a wrist mount is that, generally
>> speaking, it goes where your hand and arm go.
>
> Which also includes down the arm of a wetsuit and drysuit, meaning...
>
>> Other disadvantages include the fact that it's easier to
>> leave behind, or misplace, than one that's more or less
>> permanently attached to your regulator. I recently lost
>> track of one of my computers for an extended period.
>> I thought I'd left it on a dive boat. It showed up when I
>> cleaned out the back of the closet ...
>
> This 'misplacing' can also occur between dives. In tropical settings,
> its not uncommon to strip off the wetsuit top during the SI between
> dives, and to get the sleeves off, the wrist computer comes off. Not
> only have I seen wrist computers fall to the deck and try to leap off
> the transom for a solo dive, I've also had friends with the same
> computer model accidentally gear-up with the other's computer.
>
>
>> Another disadvantage of a wrist mount, for those of us
>> that favor non-integrated models, is that you still have
>> to put your other devices somewhere. You still have a
>> SPG and most of us also have a compass and
>> watch. You only have two wrists.
>
> Placeholder comment: preferring non-Air Integrated (non-AI) means a
> preference for less complexity, which means fewer things that can go
> wrong. There's a valid debate over the relative reliability of
> electronics versus analog gages, but this usually doesn't take into
> account that electronics tend to fry and go nuts, whereas a failing
> analog gage tends to have a more graceful ... and comprehendable ...
> failure more.
>
>> The disadvantages of a wrist mount are generally the
>> advantages of a console mount.
>
> Hence, TANSTAAFL.
>
>
>> So, bottom line is that I normally prefer a console mounted
>> computer because it's hard to leave behind, because it is
>> safer from risks of damage associated with my diving
>> activities, because it puts all of my dive planning information
>> together in one place and because, having a preference
>> for non integrated computers, I have to have something
>> on the end of a hose anyway. YMMV.
>
> Pretty much the same general summary for me: console.
>
>
> -hh
>
If the computer isn't on your air line it would be easy to pop out of the
console and pack anywhere you wanted.




26 Sep 2007 10:07:06
Sheldon
Re: Computer -- Wrist or Console and why?


"dechucka" <dechucka@vomithotmail.com > wrote in message
news:46f9e455$0$4540$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>
> "Sheldon" <sheldon@XXXXXXXXsopris.net> wrote in message
> news:uZudnQAAz_w3MmTbnZ2dnUVZ_r-vnZ2d@comcast.com...
>> Sheldon
>
> I have mine in the consule as I dive with a watch on my left wrist. I have
> dived with a wrist computer on my right wrist ( when using borrowed
> gear ) and apart from having to take a second to locate it it made no
> difference. Figure out what you want from your computer and how much you
> want to pay and pick what you are happier with
>>
>>
>
>
I'm starting to think put the computer in the console and when you use a
compass put that on your wrist. I also have a dive watch.




26 Sep 2007 10:11:34
Sheldon
Re: Computer -- Wrist or Console and why?


"Lee Bell" <pleebell@bellsouth.net > wrote in message
news:l6rKi.57084$7e6.52815@bignews4.bellsouth.net...
> There really is no universal answer to this one. There are advantages to
> both options. I sometimes wear one on my wrist, but pretty much always
> have one on the console. If there's one on my wrist, it's my primary. The
> one in my console goes along because it's easier to take it than to leave
> it.
>
> A wrist mounted computer is easier to check occasionally. It does not need
> to be unsecured and resecured each time you refer to it. Since it is
> separate from your regulator, it can also be an advantage for travel. When
> carry on space is limited, your regulator can be checked while your more
> sensitive and more pressure sensitive computer accompanies you. It's also
> usually easier to change the batteries in a wrist mount computer.
>
> One of the downsides to a wrist mount is that, generally speaking, it goes
> where your hand and arm go. I spearfish and hunt lobster. Both activities
> sometimes involve reaching into a hole in some rocky surface. That can be
> hard on a computer. Other disadvantages include the fact that it's easier
> to leave behind, or misplace, than one that's more or less permanently
> attached to your regulator. I recently lost track of one of my computers
> for an extended period. I thought I'd left it on a dive boat. It showed up
> when I cleaned out the back of the closet where my dive gear normally
> lives. Another disadvantage of a wrist mount, for those of us that favor
> non integrated models, is that you still have to put your other devices
> somewhere. You still have a SPG and most of us also have a compass and
> watch. You only have two wrists.
>
> The disadvantages of a wrist mount are generally the advantages of a
> console mount. Mine is in a relatively compact console along with my
> compass and SPG. It's on a shorter than normal hose and clips off pretty
> much like DIR divers clip off their SPGs. Having to unclip and reclip it
> to keep the hose and console under control is a bit of a hassel, but I'm
> used to it. It's safe from damage, always there, and the console puts most
> of my dive control devices in the same place. I can check my deco status,
> check my gas supply and check my compass, all at once. When I wore a
> jacket style BCD, my computer was on a somewhat longer hose and attached
> by a hose clip, to a D-ring on the right side of my BCD. If turned the
> right way, I could reference it without touching it. I'd have trouble
> doing that these days since age has made me more far sighted. My chest is
> too close for me to see clearly and I've yet to find bifocal lenses for my
> mask that I like well enough to pay for. As my sight continues to change,
> that may have to change as well.
>
> I wear a Citizen HyperAqualand watch on my left wrist. Since it has a
> built in dive timer and depth gauge, it kind of makes up for the
> inconvenience of wearing a console mounted computer. Frankly, most of my
> dives are done much the same way Curtis's are. I plan them in advance, at
> least far enough to know if decompression is going to be a significant
> issue, and do them pretty much based on time and depth rather than by my
> computer. I do check the computer from time to time, but usually to ensure
> that the variations in my profile have not significantly affected my
> expectations regarding decompression. The closer I get to my no deco
> limit, the more attention I pay to my computer. Once I am out of no deco
> time, I use my computer to provide information used to plan my eventual
> ascent, including any stops. Once that ascent begins, though, I'm usually
> back to depth and time. I check the computer at each stop it requires just
> to make sure I've kept it happy, but my primary tool at that point is
> still my watch's depth gauge and timer.
>
> If I"m wearing a wrist mount computer, usually a multi gas model to assist
> me on dives with significant decompression, it goes on my right wrist. My
> console still contains my SPG and compass, so it pretty much always goes
> with me. If I'm doing a multi gas dive, I either don't turn on my console
> computer, or I take a chance of making it think I'm bent. My profiles are
> normally conservative enough to clear any deco my console mount computer
> thinks I have, but not always.
>
> So, bottom line is that I normally prefer a console mounted computer
> because it's hard to leave behind, because it is safer from risks of
> damage associated with my diving activities, because it puts all of my
> dive planning information together in one place and because, having a
> preference for non integrated computers, I have to have something on the
> end of a hose anyway. YMMV.
>
> Lee
>
My SPG is clipped to my bc, but on a retractor. It's easy to pull up and
read, and I don't have to clip and unclip it except when I break down my
stuff at the end of a dive, and the retractor has a clip between the two
halves so it's easy.




26 Sep 2007 10:17:34
Sheldon
Re: Computer -- Wrist or Console and why?


"ben bradlee" <NoWay@Way.Bite.Me > wrote in message
news:16KdnUu7a9Il4mfbnZ2dnUVZ_vWtnZ2d@centurytel.net...
>
> "Al Wells" <al.wells@gmail.com> wrote in message
> news:MPG.21643d399bfddaa98995b@news.verizon.net...
>> Definitely wrist. You get better dives if you have several computers and
>> use a nice fresh one for each dive. Changing them out between dives is a
>> PITA in a console.
>
> And not air integrated. If you leave the computer on the boat during the
> dive, you'll know how much air you have and you don't need to change out
> to a fresh one for the next dive. Go on dive two using the computer you
> forgot to take on dive one. ;-)) This works especially good on the last
> day of a vacation. Do a dive then go back to the motel to look at the
> computer to see how long before you can fly. On most occasions you are
> good to go.
>
Thanks everybody. I think I'm going to go with a console, use the retractor
I'm using now for my SPG, and save my wrists for a watch and a compass. I
don't see how you can use a compass well if it's in your console. I've used
a wrist computer before and it's hard enough to keep that steady and
aligned.




27 Sep 2007 12:05:20
dechucka
Re: Computer -- Wrist or Console and why?


"Sheldon" <sheldon@XXXXXXXXsopris.net > wrote in message
news:OeydnR1Hwa_okGbbnZ2dnUVZ_sPinZ2d@comcast.com...
>
> "dechucka" <dechucka@vomithotmail.com> wrote in message
> news:46f9e455$0$4540$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>>
>> "Sheldon" <sheldon@XXXXXXXXsopris.net> wrote in message
>> news:uZudnQAAz_w3MmTbnZ2dnUVZ_r-vnZ2d@comcast.com...
>>> Sheldon
>>
>> I have mine in the consule as I dive with a watch on my left wrist. I
>> have dived with a wrist computer on my right wrist ( when using borrowed
>> gear ) and apart from having to take a second to locate it it made no
>> difference. Figure out what you want from your computer and how much you
>> want to pay and pick what you are happier with
>>>
>>>
>>
>>
> I'm starting to think put the computer in the console and when you use a
> compass put that on your wrist. I also have a dive watch.

Maybe ? I have my compass in my console as well that way you can hold it
out in front of you to get the direction. Having said that I very rarely use
it and do get lost quite often. Maybe that is why I wear a snorkel for all
those surface swims back to the boat :-)
>
>




26 Sep 2007 22:04:23
Dan Bracuk
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > pounded away at his keyboard
resulting in:

:Thanks for spending all my money. :-) Does look very cool, however. If I
:had unlimited funds, or dove everyday I just might go for it.

I thought you dove in the swiiming pool every day.

Dan Bracuk
Never use a big word when a diminutive one will do.

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26 Sep 2007 22:05:03
Dan Bracuk
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > pounded away at his keyboard
resulting in:
:I'm starting to think put the computer in the console and when you use a
:compass put that on your wrist. I also have a dive watch.

I can see you've never tried to use a wrist mounted compass.

Dan Bracuk
Never use a big word when a diminutive one will do.

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26 Sep 2007 22:05:39
Dan Bracuk
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > pounded away at his keyboard
resulting in:

:If the computer isn't on your air line it would be easy to pop out of the
:console and pack anywhere you wanted.

Wanna try mine?

Dan Bracuk
Never use a big word when a diminutive one will do.

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26 Sep 2007 22:07:29
Dan Bracuk
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > pounded away at his keyboard
resulting in:
: I
:don't see how you can use a compass well if it's in your console. I've used
:a wrist computer before and it's hard enough to keep that steady and
:aligned.

You realize of course that your second sentence illustrates why the
first one is wrong, right. Oh well, if you ever actually go diving
you'll learn for yourself, like the rest of us did.

Dan Bracuk
Never use a big word when a diminutive one will do.

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27 Sep 2007 12:12:08
dechucka
Re: Computer -- Wrist or Console and why?

snip
> Discipline is key. You must do it the same way every time, all the time.

I need more discipline to stop me taking of my wetsuit with the dive watch
still on over the wetsuit wrist. Whatever number of dives I've done and at
least every 5th dive I do this. Not a good look.

BTW when you say discipline do you like doing more things in your wetsuit if
so you are on the wrong ng




26 Sep 2007 20:20:11
Sheldon
Re: Computer -- Wrist or Console and why?


"Sheldon" <sheldon@XXXXXXXXsopris.net > wrote in message
news:OeydnR5Hwa_okGbbnZ2dnUVZ_sPinZ2d@comcast.com...
>
> "ben bradlee" <NoWay@Way.Bite.Me> wrote in message
> news:16KdnUu7a9Il4mfbnZ2dnUVZ_vWtnZ2d@centurytel.net...
>>
>> "Al Wells" <al.wells@gmail.com> wrote in message
>> news:MPG.21643d399bfddaa98995b@news.verizon.net...
>>> Definitely wrist. You get better dives if you have several computers and
>>> use a nice fresh one for each dive. Changing them out between dives is a
>>> PITA in a console.
>>
>> And not air integrated. If you leave the computer on the boat during the
>> dive, you'll know how much air you have and you don't need to change out
>> to a fresh one for the next dive. Go on dive two using the computer you
>> forgot to take on dive one. ;-)) This works especially good on the last
>> day of a vacation. Do a dive then go back to the motel to look at the
>> computer to see how long before you can fly. On most occasions you are
>> good to go.
>>
> Thanks everybody. I think I'm going to go with a console, use the
> retractor I'm using now for my SPG, and save my wrists for a watch and a
> compass. I don't see how you can use a compass well if it's in your
> console. I've used a wrist computer before and it's hard enough to keep
> that steady and aligned.
Well, I'm entitled to change my mind. I went with a console with the SPG,
computer and compass on the back. The sales guy talked me into putting the
compass in the console and said he finds it easy to use there. On the other
hand, one of you made a good point that all of this stuff will be on my left
side and so is the inflator/deflator for the bc. I'll see how it works out.
I can always pop it out and put it into a wrist console.

Sheldon




26 Sep 2007 21:21:57
John Hanson
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 21:03:42 -0500, Dan Bracuk <NOTbracuk@pathcom.com >
wrote in rec.scuba:

>Greg Mossman <mossman@qnet.com> pounded away at his keyboard resulting
>in:
>
>:I disabled all mine on the Suunto, but on my last trip I discovered a
>:good use for them and wish I had left them on. When chasing down
>:whalesharks with a video camera in blue water, no visual reference
>:other than said whaleshark, it might be a good thing to set the
>:computer to beep at a MOD. There's no time to take one's eyes or hand
>:off the camera to check depth and that can be dangerous when diving
>:nitrox.
>
>Dive with air.
>
Or, perhaps, dive with 190 gas.


26 Sep 2007 21:36:04
John Hanson
Re: Computer -- Wrist or Console and why?

On Wed, 26 Sep 2007 10:17:34 -0600, "Sheldon"
<sheldon@XXXXXXXXsopris.net > wrote in rec.scuba:

>
>"ben bradlee" <NoWay@Way.Bite.Me> wrote in message
>news:16KdnUu7a9Il4mfbnZ2dnUVZ_vWtnZ2d@centurytel.net...
>>
>> "Al Wells" <al.wells@gmail.com> wrote in message
>> news:MPG.21643d399bfddaa98995b@news.verizon.net...
>>> Definitely wrist. You get better dives if you have several computers and
>>> use a nice fresh one for each dive. Changing them out between dives is a
>>> PITA in a console.
>>
>> And not air integrated. If you leave the computer on the boat during the
>> dive, you'll know how much air you have and you don't need to change out
>> to a fresh one for the next dive. Go on dive two using the computer you
>> forgot to take on dive one. ;-)) This works especially good on the last
>> day of a vacation. Do a dive then go back to the motel to look at the
>> computer to see how long before you can fly. On most occasions you are
>> good to go.
>>
>Thanks everybody. I think I'm going to go with a console, use the retractor
>I'm using now for my SPG, and save my wrists for a watch and a compass. I
>don't see how you can use a compass well if it's in your console. I've used
>a wrist computer before and it's hard enough to keep that steady and
>aligned.
>

I don't have a console nor will I ever have a console. I just have an
SPG that I keep clipped to my right chest D ring in non-DIR fashion. I
wear my wrist computer on my right forearm and my Citizen on my left
wrist. My compass is on a retractor clipped to my right chest D ring.
I just pull it out in front of me when I want to check it and let it
retract back when I'm done using it.

My computer is an Aladdin Prime. It's pretty conservative and I found
it to be a real pain in the ass this past weekend. The PPO2 is fixed
at 1.4 and I went slightly past my MOD by about 2 feet. Well, this
locked the puter out and I couldn't change my O2 mixture for my second
dive, which was 28% instead of the 32% that I had programmed in for my
previous dive. So, I splashed in after a 65 minute surface interval
and did my second dip on the Spiegel Grove. The computer was fine
after that dive. Go figure.

Oh, and, why do you need to keep a wrist computer steady and aligned?
I hardly look at mine any more.


26 Sep 2007 21:44:54
John Hanson
Re: Computer -- Wrist or Console and why?

On Thu, 27 Sep 2007 00:34:12 GMT, "chilly" <slarson@shaw.canada > wrote
in rec.scuba:

>
>"-hh" <recscuba_google@huntzinger.com> wrote in message
>news:1190821780.889203.291890@o80g2000hse.googlegroups.com...
>(snip)>
>> > Other disadvantages include the fact that it's easier to
>> > leave behind, or misplace, than one that's more or less
>> > permanently attached to your regulator. I recently lost
>> > track of one of my computers for an extended period.
>> > I thought I'd left it on a dive boat. It showed up when I
>> > cleaned out the back of the closet ...
>>
>> This 'misplacing' can also occur between dives. In tropical settings,
>> its not uncommon to strip off the wetsuit top during the SI between
>> dives, and to get the sleeves off, the wrist computer comes off. Not
>> only have I seen wrist computers fall to the deck and try to leap off
>> the transom for a solo dive, I've also had friends with the same
>> computer model accidentally gear-up with the other's computer.
>
>Discipline is key. You must do it the same way every time, all the time.
>
>I take it off, I put the strap in between my teeth and I don't take the
>strap out from between my teeth unless I am a) putting the computer back on
>my wrist or attaching to a console.

Hmmm. I take my computer off and strap it to my left chest D ring.
Then I do the same with my Aqualand. I'll leave the puter on the D
ring if I'm done diving for the day and put the Citizen back on my
wrist.



27 Sep 2007 00:18:27
Douglas W. Popeye Frederick
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > wrote in message
news:OeydnR1Hwa_okGbbnZ2dnUVZ_sPinZ2d@comcast.com...
>
> "dechucka" <dechucka@vomithotmail.com> wrote in message
> news:46f9e455$0$4540$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>>
>> "Sheldon" <sheldon@XXXXXXXXsopris.net> wrote in message
>> news:uZudnQAAz_w3MmTbnZ2dnUVZ_r-vnZ2d@comcast.com...
>>> Sheldon
>>
>> I have mine in the consule as I dive with a watch on my left wrist. I
>> have dived with a wrist computer on my right wrist ( when using borrowed
>> gear ) and apart from having to take a second to locate it it made no
>> difference. Figure out what you want from your computer and how much you
>> want to pay and pick what you are happier with
>>>
>>>
>>
>>
> I'm starting to think put the computer in the console and when you use a
> compass put that on your wrist. I also have a dive watch.


I wear a computer on my laft wrist, a watch on my right, and have the
compass on a retractor to a waist D-ring.



27 Sep 2007 04:35:05
chilly
Re: Computer -- Wrist or Console and why?


"dechucka" <dechucka@vomithotmail.com > wrote in message
news:46fb115a$0$4551$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
> snip
> > Discipline is key. You must do it the same way every time, all the
time.
>
> I need more discipline to stop me taking of my wetsuit with the dive watch
> still on over the wetsuit wrist. Whatever number of dives I've done and at
> least every 5th dive I do this. Not a good look.

ARen't you the guy that learned to dive 20 years ago from good friends?
Learned really well? Now I'm reading that you lose the boat all the time,
can't use your compass and never remember to take off your wrist computer.
;^)

You do know how to read your computer, right?

> BTW when you say discipline do you like doing more things in your wetsuit
if
> so you are on the wrong ng

How do you know I'm not on the right ng?
>




27 Sep 2007 04:35:05
chilly
Re: Computer -- Wrist or Console and why?


"John Hanson" <jhanson@northernlinks.com > wrote in message
news:u36mf3lifi1shdji4bhd1pf9bb52tgeqt5@4ax.com...
> On Thu, 27 Sep 2007 00:34:12 GMT, "chilly" <slarson@shaw.canada> wrote
> in rec.scuba:
>
> >
> >"-hh" <recscuba_google@huntzinger.com> wrote in message
> >news:1190821780.889203.291890@o80g2000hse.googlegroups.com...
> >(snip)>
> >> > Other disadvantages include the fact that it's easier to
> >> > leave behind, or misplace, than one that's more or less
> >> > permanently attached to your regulator. I recently lost
> >> > track of one of my computers for an extended period.
> >> > I thought I'd left it on a dive boat. It showed up when I
> >> > cleaned out the back of the closet ...
> >>
> >> This 'misplacing' can also occur between dives. In tropical settings,
> >> its not uncommon to strip off the wetsuit top during the SI between
> >> dives, and to get the sleeves off, the wrist computer comes off. Not
> >> only have I seen wrist computers fall to the deck and try to leap off
> >> the transom for a solo dive, I've also had friends with the same
> >> computer model accidentally gear-up with the other's computer.
> >
> >Discipline is key. You must do it the same way every time, all the time.
> >
> >I take it off, I put the strap in between my teeth and I don't take the
> >strap out from between my teeth unless I am a) putting the computer back
on
> >my wrist or attaching to a console.
>
> Hmmm. I take my computer off and strap it to my left chest D ring.
> Then I do the same with my Aqualand. I'll leave the puter on the D
> ring if I'm done diving for the day and put the Citizen back on my
> wrist.
>
There ya go. Discipline.




26 Sep 2007 21:24:02
Sheldon
Re: Computer -- Wrist or Console and why?


"Dan Bracuk" <NOTbracuk@pathcom.com > wrote in message
news:0e7mf35k36b8dqnbdirkplq8nm5d2641fv@4ax.com...
> "Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
> resulting in:
> :I'm starting to think put the computer in the console and when you use a
> :compass put that on your wrist. I also have a dive watch.
>
> I can see you've never tried to use a wrist mounted compass.
>
> Dan Bracuk

I did for my OW test. It was a pain in the butt. I thought about it some
more and decided to put the compass in the console.




26 Sep 2007 22:36:56
Sheldon
Re: Computer -- Wrist or Console and why?


"Dan Bracuk" <NOTbracuk@pathcom.com > wrote in message
news:ng7mf3h99qmluo44neh84j4c29bamc0ae8@4ax.com...
> "Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
> resulting in:
> : I
> :don't see how you can use a compass well if it's in your console. I've
> used
> :a wrist computer before and it's hard enough to keep that steady and
> :aligned.
>
> You realize of course that your second sentence illustrates why the
> first one is wrong, right. Oh well, if you ever actually go diving
> you'll learn for yourself, like the rest of us did.
>
> Dan Bracuk

I do respect your opinion. As you can see from my second post I decided to
go with a computer and compass in the console. I need to try something, and
I have the wherewithal to change things if they don't work out. I like the
idea of packing my own bc and computers and gauges and regulators when I
actually go somewhere. I know they are new or have been checked out and
serviced, and when I go back to my room I can take them all with me.
Obviously, I don't want to travel with tanks and whatnot.

My girlfriend has a free place to stay in Belize, and we are just waiting
for the hurricane season to wind down. I'm thinking about going diving in a
reservoir that has a plane at the bottom and is only 3 hours away. I want
to be ready, and my equipment was only one reg and a pressure gauge and a
tank (bc of course and weights). I had to get a depth gauge and an octo to
dive anywhere but the pool, and just figured I may as well get a computer
since the cost isn't that much more than a simple depth gauge -- for a
simple computer.

I could buy that mask with the display in it but I just don't dive enough.
Same reason I don't own a $10,000 guitar. I don't play well enough -- but I
do have a nice one.




26 Sep 2007 21:21:17
Sheldon
Re: Computer -- Wrist or Console and why?


"Dan Bracuk" <NOTbracuk@pathcom.com > wrote in message
news:1d7mf3l3ub45rte2oafpkpbmh8udio6bg9@4ax.com...
> "Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
> resulting in:
>
> :Thanks for spending all my money. :-) Does look very cool, however. If
> I
> :had unlimited funds, or dove everyday I just might go for it.
>
> I thought you dove in the swiiming pool every day.
>
> Dan Bracuk

Yeah, but I don't I need a dive computer for the pool, especially that one.
I'm planning ahead.




27 Sep 2007 15:01:06
dechucka
Re: Computer -- Wrist or Console and why?


"chilly" <slarson@shaw.canada > wrote in message
news:ZpGKi.242292$fJ5.135172@pd7urf1no...
>
> "dechucka" <dechucka@vomithotmail.com> wrote in message
> news:46fb115a$0$4551$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>> snip
>> > Discipline is key. You must do it the same way every time, all the
> time.
>>
>> I need more discipline to stop me taking of my wetsuit with the dive
>> watch
>> still on over the wetsuit wrist. Whatever number of dives I've done and
>> at
>> least every 5th dive I do this. Not a good look.
>
> ARen't you the guy that learned to dive 20 years ago from good friends?
> Learned really well? Now I'm reading that you lose the boat all the time,
> can't use your compass and never remember to take off your wrist computer.
> ;^)

yeap that's me

watch actually my computer is in my console

>
> You do know how to read your computer, right?

sometimes


>
>> BTW when you say discipline do you like doing more things in your wetsuit
> if
>> so you are on the wrong ng
>
> How do you know I'm not on the right ng?

well neoprene disciplining has not come up often on this ng but maybe I've
missed something




27 Sep 2007 02:07:22
Grumman-581
Re: Computer -- Wrist or Console and why?

chilly wrote:
> Discipline is discipline. If you don't put it back where you got it, you
> run the risk of showing up at the dive site without yer . .booties or dive
> socks or weightbelt or whathaveyou . ..

Your banana?


27 Sep 2007 02:08:07
Grumman-581
Re: Computer -- Wrist or Console and why?

Dan Bracuk wrote:

> Dive with air.


Yeah, that nitrox crap totally gets in the way of getting a good narc...


27 Sep 2007 02:09:28
Grumman-581
Re: Computer -- Wrist or Console and why?

dechucka wrote:

> Maybe ? I have my compass in my console as well that way you can hold it
> out in front of you to get the direction. Having said that I very rarely use
> it and do get lost quite often.

But that's ok since there are always plenty of people willing to tell
you where to go... <snicker >


27 Sep 2007 04:44:48
Grumman-581
Re: Computer -- Wrist or Console and why?

On Thu, 27 Sep 2007 04:35:05 GMT, "chilly" <slarson@shaw.canada >
wrote:


> ARen't you the guy that learned to dive 20 years ago from good friends?

Only 20 years ago? Hell, I've got tanks twice that age that I still
use...


27 Sep 2007 07:22:32
Lee Bell
Re: Computer -- Wrist or Console and why?

Douglas W. "Popeye" Frederick" wrote

> I wear a computer on my laft wrist, a watch on my right, and have the
> compass on a retractor to a waist D-ring.

Where do you wear your watch when you're not diving. If it's on your left
wrist, why switch?
>




27 Sep 2007 07:25:31
Lee Bell
Re: Computer -- Wrist or Console and why?

Sheldon wrote

> My SPG is clipped to my bc, but on a retractor. It's easy to pull up and
> read, and I don't have to clip and unclip it except when I break down my
> stuff at the end of a dive, and the retractor has a clip between the two
> halves so it's easy.

I'm not a big fan of retractors used in salt water, but if it works for you,
good enough. The important part is that your gear is under control. Take a
look at how your SPG hose runs when retracted and how long it needs to be
when in use and consider whether you have the optimal hose length. There are
shorter high pressure hoses available and, if you're going to be around
wrecks, rivers, or anyplace where there's a higher risk of snagging
something, having all hoses run close to your body is a good thing.

Lee




27 Sep 2007 07:26:41
Lee Bell
Re: Computer -- Wrist or Console and why?

Sheldon wrote

> If the computer isn't on your air line it would be easy to pop out of the
> console and pack anywhere you wanted.

Try it and see. You may be surprised just how hard it is to get that damned
thing in and out of the console.




27 Sep 2007 07:32:27
Lee Bell
Re: Computer -- Wrist or Console and why?

Sheldon wrote

> Thanks everybody. I think I'm going to go with a console, use the
> retractor I'm using now for my SPG, and save my wrists for a watch and a
> compass. I don't see how you can use a compass well if it's in your
> console. I've used a wrist computer before and it's hard enough to keep
> that steady and aligned.

It sounds like a plan. It won't be long before you'll be able to tell people
what configuration you wound up with and how and why it worked, or didn't
work for you. That's as much information as you can reasonably provide.

As for using the compass in a console, I probably have less trouble doing
that than using it on my wrist, but that's me. Further, my comments about a
computer going where my hands do, into holes after lobster and fish, applies
to a compass too. My watch is small enough that, if I prefer, I can cover it
with my skin/wetsuit. My compass isn't. Try it however you like and see
what you prefer. If you're going go with a wrist mounted compass, I suggest
you look around for a 3 gauge console that has a plastic writing plate in
one of the holes. I think Oceanic makes one, but I know someone does. That's
the way one of mine came. That way you have the option of moving the compass
to the console if you find you don't like it on your wrist.

Lee




27 Sep 2007 07:39:24
Lee Bell
Re: Computer -- Wrist or Console and why?

Sheldon wrote

> Well, I'm entitled to change my mind. I went with a console with the SPG,
> computer and compass on the back. The sales guy talked me into putting
> the compass in the console and said he finds it easy to use there. On the
> other hand, one of you made a good point that all of this stuff will be on
> my left side and so is the inflator/deflator for the bc. I'll see how it
> works out. I can always pop it out and put it into a wrist console.

<grin >

Once you get more diving under your belt, it won't be a problem. Pretty much
everybody has their SPG and/or gauges on the left. On the other hand, don't
be afraid to think a bit out of the box. Your gauges normally go on the left
because your octopus normally goes on the right. Many second stages are
designed to be used from either side, giving you the option to change where
your alternate is. If you use a necklaced short hose alternate, as I and
quite a few others in this group do, or move your alternate to the other
side, there's no real reason your gauges can't go on your right.

For recreational divers, the key is to configure everything to suit you and
the diving you do. If you progress to some kinds of highly technical diving,
you're going to want to conform to some standard for that type of diving
that matches the standard used by those you will be diving with.

Lee




27 Sep 2007 07:47:12
Lee Bell
Re: Computer -- Wrist or Console and why?

John Hanson wrote

> I don't have a console nor will I ever have a console. I just have an
> SPG that I keep clipped to my right chest D ring in non-DIR fashion. I
> wear my wrist computer on my right forearm and my Citizen on my left
> wrist. My compass is on a retractor clipped to my right chest D ring.
> I just pull it out in front of me when I want to check it and let it
> retract back when I'm done using it.

It's up to you, but you have your various gauges in 4 different places. A
console puts them all in one place.

> My computer is an Aladdin Prime. It's pretty conservative and I found
> it to be a real pain in the ass this past weekend. The PPO2 is fixed
> at 1.4 and I went slightly past my MOD by about 2 feet.

I'm sure you mean that the MOD is fixed to correspond to 1.4 ATA. If that's
really true, it's time to get another computer. My Oceanic, Genesis and Dive
Rite computers all give me a warning at a PPO2 of 1.4 ATA, but none of them
lock out beyond that. They probably do something more radical above 1.6, but
so far, I've not seen the need to push them that far.

> Oh, and, why do you need to keep a wrist computer steady and aligned?
> I hardly look at mine any more.

You don't have to keep the computer steady or aligned. You have to keep the
compass steady and aligned.

Lee




27 Sep 2007 07:52:09
Lee Bell
Re: Computer -- Wrist or Console and why?

Sheldon wrote

> My girlfriend has a free place to stay in Belize, and we are just waiting
> for the hurricane season to wind down.

You and me both. Tropical depressions, storms and even minimal hurricanes
are no big deal here in south Florida, but damn, I'm tired of rain every
day. The lake across the street is high enough to cross the fence that's
supposed to keep kids out of it. The one behind my house hasn't reached my
fence yet, but it's headed that way.

> I had to get a depth gauge and an octo to dive anywhere but the pool, and
> just figured I may as well get a computer since the cost isn't that much
> more than a simple depth gauge -- for a simple computer.

Why did you have to? I think it's a good idea, but unless you're diving with
a shop or boat the requires them, what you dive with is your choice.

I agree with your decision to skip gauges and go with a computer first.

> I could buy that mask with the display in it but I just don't dive enough.

Also good thinking. Personally, I want something like that to be out for a
while before I spend a lot of money on it. Durability is an issue in dive
equipment and you don't know what will hold up until it has.

Lee




27 Sep 2007 07:57:27
Lee Bell
Re: Computer -- Wrist or Console and why?

chilly wrote

>> > Discipline is key. You must do it the same way every time, all the
> time.
>>
>> No.
>
> Don't you check your air the same way everytime before you hit the water
> thereby ensuring that your tank is turned on? Don't you analyze your
> nitrox
> mix every time all the time, the same way each time to avoid error?

Nope. I kind of have a checklist in my head that I go through. I don't do
everything the same way every time, but I do try to ensure I do everything.

> Yes, I think you are. It is very common for traveling divers to leave
> their
> regs at the dive op overnight but leaving your computer at the shop
> overnight isn't that wise. I once forgot mine and left it in my dive bag
> at
> the shop. In the morning it didn't work and never worked again. I've no
> idea what happened to it.

I tend to keep control of all my gear. Perhaps its paranoia, but somehow, I
just feel better if I do it for myself. Your non functional computer is a
good example, but I'd be even more concerned about a non functioning or,
worse, missing regulator.

> Another person who used a console computer (hockey puck), went diving
> another morning and noticed that her computer wasn't working properly.
> She
> popped it out of the console on the surface interval and immediately
> noticed
> that it wasn't her computer. Someone had swapped them out.

If you're going to trust someone with your equipment, you need to be sure
they are trustworthy.

Lee




27 Sep 2007 07:59:41
Lee Bell
Re: Computer -- Wrist or Console and why?

chilly wrote

>> BTW when you say discipline do you like doing more things in your wetsuit
>> if so you are on the wrong ng

> How do you know I'm not on the right ng?

Trust me, you're on the right one.




27 Sep 2007 14:17:47
Blah
Re: Computer -- Wrist or Console and why?

Lee Bell wrote:
> Douglas W. "Popeye" Frederick" wrote
>
>> I wear a computer on my laft wrist, a watch on my right, and have the
>> compass on a retractor to a waist D-ring.
>
> Where do you wear your watch when you're not diving. If it's on your left
> wrist, why switch?
>
>
If he wears a dry suit, its impossible to check computer whilst raising
arm to dump air from left hand cuff dump. (or from a bcd for that matter).


27 Sep 2007 08:40:37
John Hanson
Re: Computer -- Wrist or Console and why?

On Thu, 27 Sep 2007 07:47:12 -0400, "Lee Bell"
<pleebell@bellsouth.net > wrote in rec.scuba:

>John Hanson wrote
>
>> I don't have a console nor will I ever have a console. I just have an
>> SPG that I keep clipped to my right chest D ring in non-DIR fashion. I
>> wear my wrist computer on my right forearm and my Citizen on my left
>> wrist. My compass is on a retractor clipped to my right chest D ring.
>> I just pull it out in front of me when I want to check it and let it
>> retract back when I'm done using it.
>
>It's up to you, but you have your various gauges in 4 different places. A
>console puts them all in one place.

Well, my spg is right below my chin so all I have to do is look down
to see my remaining gas pressure. The watch and computer on either
arm are visible all the time when I'm traveling underwater with my
fingers interlocked in front of me. The compass...well, I rarely use
it, especially on a wreck. When I do use it, I can hold the compass
in one hand and display the watch face or the computer face at the
same time. My watch and computer are dead on as far as depth, time
and water temp so their interchangeable as far as I'm concerned.
>
>> My computer is an Aladdin Prime. It's pretty conservative and I found
>> it to be a real pain in the ass this past weekend. The PPO2 is fixed
>> at 1.4 and I went slightly past my MOD by about 2 feet.
>
>I'm sure you mean that the MOD is fixed to correspond to 1.4 ATA. If that's
>really true, it's time to get another computer. My Oceanic, Genesis and Dive
>Rite computers all give me a warning at a PPO2 of 1.4 ATA, but none of them
>lock out beyond that. They probably do something more radical above 1.6, but
>so far, I've not seen the need to push them that far.

Yes, I think you're right. I wonder if I can trade it in.

>
>> Oh, and, why do you need to keep a wrist computer steady and aligned?
>> I hardly look at mine any more.
>
>You don't have to keep the computer steady or aligned. You have to keep the
>compass steady and aligned.
>
Sheldon said computer.


27 Sep 2007 09:49:44
Lee Bell
Re: Computer -- Wrist or Console and why?

John Hanson wrote

>>> Oh, and, why do you need to keep a wrist computer steady and aligned?
>>> I hardly look at mine any more.

>>You don't have to keep the computer steady or aligned. You have to keep
>>the
>>compass steady and aligned.

> Sheldon said computer.

I know, but I answered your question rather than his statement.

Now I really am out of here.

Lee




27 Sep 2007 14:06:23
-hh
Re: Computer -- Wrist or Console and why?

"Sheldon" <shel...@XXXXXXXXsopris.net > wrote:
>
> If the computer isn't on your air line it would be easy to pop out of the
> console and pack anywhere you wanted.

Even if it was easy, the problem I have is "too much valuable stuff"
to go carry-on.

My UW camera bag currently weighs 28lbs and always gets a hand-inspect
at security because it is so dense.

What I choose to put into checked baggage are those things that I can
more easily replace if they walk, and since dive computers can
commonly be rented, they qualify as an "easily replaceable" class of
item.

Based on this, when it comes to dive gear, the absolute LAST item to
be moved from carry-on to checked is my perscription mask.


-hh



27 Sep 2007 14:14:15
-hh
Re: Computer -- Wrist or Console and why?

"Lee Bell" <pleeb...@bellsouth.net > wrote:
>
> I'm not a big fan of retractors used in salt water, but if it works for you,
> good enough. The important part is that your gear is under control.

Control is the key attribute. I happen to use a retractor (and in
salt water) and my attitude towards them is the same as using brass
snaps instead of stainless steel: they're cheap and ubiquitous, so
when they start to have any sort of problem, simply replace it with a
new one.

Granted, I might have a different attitude towards it if I lived
someplace where there was warmwater every weekend within a 30 minute
drive, but I dont. I find that when doing <50 dives/year, the rate of
saltwater corrosion isn't a meaningful enough problem.


-hh



27 Sep 2007 09:17:40
Sheldon
Re: Computer -- Wrist or Console and why?

>
>> I had to get a depth gauge and an octo to dive anywhere but the pool, and
>> just figured I may as well get a computer since the cost isn't that much
>> more than a simple depth gauge -- for a simple computer.
>
> Why did you have to? I think it's a good idea, but unless you're diving
> with a shop or boat the requires them, what you dive with is your choice.
>

I know in the pool I can't go below 12'. In any open water I have no idea
how deep I am without some kind of depth gauge. Having an octo is just
common sense, for you and a buddy. Why share air or worry about your main
regulator going south for a measly $75?

I realize if I dive with a group that stays pretty tight these may be
luxuries, but what the heck. It's not like I won't be able to afford food
tomorrow if I buy them.

And how about a full mask with a radio in it? Now "that" would be cool.





27 Sep 2007 16:54:15
-hh
Re: Computer -- Wrist or Console and why?

"Sheldon" <shel...@REMOVEsopris.net > wrote:
>
> And how about a full mask with a radio in it? Now "that" would be cool.

In general, you need to get rid of the regulator's mouthpiece in order
for most people (not all) to be able to effectively create speech.
The problem with this is that this usually requires a higher air flow
rate to prevent CO2 buildup, so the trade-off is that your air doesn't
last as long ... a shorter dive duration.

A friend tested an inexpensive (recreational diving market focused)
"FFM Adaptor" a few years ago. They said that speech will propogate
some reasonable distance through water ... ie, good enough to talk to
a buddy ... but that fidelity was poor (probably because you used your
standard mask) and it hoovered through air; a thumbs down.

Adding radio would tend to increase range, but also complexity. Good
luck also in picking the right wireless frequency that can penetrate a
decent amount of water at reasonably low power levels.

And most importantly, do make sure it features a MUTE button :-)


-hh



27 Sep 2007 13:27:43
nitespark
Re: Computer -- Wrist or Console and why?

Sheldon wrote:
>
> I realize if I dive with a group that stays pretty tight these may be
> luxuries, but what the heck. It's not like I won't be able to afford food
> tomorrow if I buy them.
>
> And how about a full mask with a radio in it? Now "that" would be cool.
>
>
>

You mean like this?


http://www.oceantechnologysystems.com/mk2_bud.shtml



27 Sep 2007 13:31:45
nitespark
Re: Computer -- Wrist or Console and why?

-hh wrote:
>
>
> In general, you need to get rid of the regulator's mouthpiece in order
> for most people (not all) to be able to effectively create speech.
> The problem with this is that this usually requires a higher air flow
> rate to prevent CO2 buildup, so the trade-off is that your air doesn't
> last as long ... a shorter dive duration.
>
> A friend tested an inexpensive (recreational diving market focused)
> "FFM Adaptor" a few years ago. They said that speech will propogate
> some reasonable distance through water ... ie, good enough to talk to
> a buddy ... but that fidelity was poor (probably because you used your
> standard mask) and it hoovered through air; a thumbs down.
>
> Adding radio would tend to increase range, but also complexity. Good
> luck also in picking the right wireless frequency that can penetrate a
> decent amount of water at reasonably low power levels.
>
> And most importantly, do make sure it features a MUTE button :-)
>

The FFM I have used had a PTT button so the only time it transmitted was
when the diver wanted it to transmit.

These FFM's are pretty pricey, especially with the comm feature.



27 Sep 2007 13:56:27
Douglas W. Popeye Frederick
Re: Computer -- Wrist or Console and why?

"Lee Bell" <pleebell@bellsouth.net > wrote in message
news:CnMKi.115$T6.88@bignews2.bellsouth.net...
> Douglas W. "Popeye" Frederick" wrote
>
>> I wear a computer on my laft wrist, a watch on my right, and have the
>> compass on a retractor to a waist D-ring.
>
> Where do you wear your watch when you're not diving.

Left.

>If it's on your left wrist, why switch?

I haven't the foggiest.



27 Sep 2007 17:59:52
-hh
Re: Computer -- Wrist or Console and why?

nitespark <nitesp...@cox.net > wrote:
> -hh wrote:
>
> > And most importantly, do make sure it features a MUTE button :-)
>
> The FFM I have used had a PTT button so the only time it
> transmitted was when the diver wanted it to transmit.

That's nice, but what I was alluding to is being able to turn off my
radio *reception*, so that I don't have to listen to Alice and Bob
chatting about the shape of this coral head reminds them of
interesting looking yellow rock that they saw off St Lucia in
2004 :-)


-hh



27 Sep 2007 14:09:58
nitespark
Re: Computer -- Wrist or Console and why?

-hh wrote:
> nitespark <nitesp...@cox.net> wrote:
>
>>-hh wrote:
>>
>>
>>>And most importantly, do make sure it features a MUTE button :-)
>>
>>The FFM I have used had a PTT button so the only time it
>>transmitted was when the diver wanted it to transmit.
>
>
> That's nice, but what I was alluding to is being able to turn off my
> radio *reception*, so that I don't have to listen to Alice and Bob
> chatting about the shape of this coral head reminds them of
> interesting looking yellow rock that they saw off St Lucia in
> 2004 :-)
>

OK...got it. From my experience, I havn't seen a LOT of these devices
around. Most likely due to the price. Mostly used by dive teams and I
suspect the military. Even so, range is limited from 50-300 meters
depending on conditions. I got my FFM cert this year at 40 Fathoms, not
because I really needed it, but the opportunity presented itself. Our
units had full comms plus we had a surface unit.


27 Sep 2007 13:54:35
Grumman-581
Re: Computer -- Wrist or Console and why?

On Thu, 27 Sep 2007 13:27:43 -0400, nitespark <nitespark@cox.net >
wrote:

> You mean like this?
>
>
> http://www.oceantechnologysystems.com/mk2_bud.shtml

Only good for 130 ft... Pretty useless in my book...


27 Sep 2007 15:45:57
nitespark
Re: Computer -- Wrist or Console and why?

Grumman-581 wrote:
> On Thu, 27 Sep 2007 13:27:43 -0400, nitespark <nitespark@cox.net>
> wrote:
>
>
>>You mean like this?
>>
>>
>>http://www.oceantechnologysystems.com/mk2_bud.shtml
>
>
> Only good for 130 ft... Pretty useless in my book...

Are you talking about depth or range?


27 Sep 2007 20:53:13
chilly
Re: Computer -- Wrist or Console and why?


"dechucka" <dechucka@vomithotmail.com > wrote in message
news:46fb38f3$0$4585$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>
(snip) > >
> > How do you know I'm not on the right ng?
>
> well neoprene disciplining has not come up often on this ng but maybe I've
> missed something

LOL, I meant how do you know I'm not over on the appropriate ng?




27 Sep 2007 20:53:13
chilly
Re: Computer -- Wrist or Console and why?


"Grumman-581" <grumman581@DIE-SPAMMER-SCUM-gmail.com > wrote in message
news:SdGdnY5_fPRKy2bbnZ2dnUVZ_vvinZ2d@comcast.com...
> chilly wrote:
> > Discipline is discipline. If you don't put it back where you got it,
you
> > run the risk of showing up at the dive site without yer . .booties or
dive
> > socks or weightbelt or whathaveyou . ..
>
> Your banana?

Right!!! Which reminds me . . .




27 Sep 2007 20:57:14
chilly
Re: Computer -- Wrist or Console and why?


"Sheldon" <sheldon@REMOVEsopris.net > wrote in message
news:BdudnXuW9rTsVGbbnZ2dnUVZ_sOrnZ2d@comcast.com...
> >
(snip) >
> And how about a full mask with a radio in it? Now "that" would be cool.

If you mean a radio that you could listen to tunes on, come on!! When I'm
under the water, I want to hear the sea and my breathing. You need to go to
the sea.

I can understand why you might want a radio for your pool dives. (wg)




27 Sep 2007 17:33:41
Dan Bracuk
Re: Computer -- Wrist or Console and why?

John Hanson <jhanson@northernlinks.com > pounded away at his keyboard
resulting in:

:Oh, and, why do you need to keep a wrist computer steady and aligned?
:I hardly look at mine any more.

When you are using it, if you don't keep it level, the thingie on the
inside won't rotate.

Dan Bracuk
Never use a big word when a diminutive one will do.

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----


27 Sep 2007 17:35:54
Dan Bracuk
Re: Computer -- Wrist or Console and why?

Blah <blah@hotmail.com > pounded away at his keyboard resulting in:
:If he wears a dry suit, its impossible to check computer whilst raising
:arm to dump air from left hand cuff dump. (or from a bcd for that matter).

Big deal. Those air dumps only take a second or two. You can look at
your computer afterwards.

Dan Bracuk
Never use a big word when a diminutive one will do.

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.comThe #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----


28 Sep 2007 07:51:56
Brad
Re: Computer -- Wrist or Console and why?

Yeah, but I don't I need a dive computer for the pool, especially that one.
I'm planning a head.

You should do, the one you have now isn't too flash :-)
--
Brad Leyden
6° 43.5816' S 146° 59.3097' E WGS84
Forecast for tomorrow, heavy showers overnight with a fine day.
Temps: min 24ēC max 32ēC
Bet I'm right for where I am, Could you say the same without changing it
daily?
To mail spam is really hot but please reply to thread so all may benefit (or
laugh at my mistakes)




27 Sep 2007 17:13:16
Grumman-581
Re: Computer -- Wrist or Console and why?

On Fri, 28 Sep 2007 07:51:56 +1000, "Brad" <bradleyden@spammail.com >
wrote:

> I'm planning a head.

What type of boat?


27 Sep 2007 17:20:10
John Hanson
Re: Computer -- Wrist or Console and why?

On Thu, 27 Sep 2007 17:33:41 -0500, Dan Bracuk <NOTbracuk@pathcom.com >
wrote in rec.scuba:

>John Hanson <jhanson@northernlinks.com> pounded away at his keyboard
>resulting in:
>
>:Oh, and, why do you need to keep a wrist computer steady and aligned?
>:I hardly look at mine any more.
>
>When you are using it, if you don't keep it level, the thingie on the
>inside won't rotate.
>
The liquid in the crystal display?


27 Sep 2007 10:47:39
Sheldon
Re: Computer -- Wrist or Console and why?


"Lee Bell" <pleebell@bellsouth.net > wrote in message
news:vrMKi.118$T6.16@bignews2.bellsouth.net...
> Sheldon wrote
>
>> If the computer isn't on your air line it would be easy to pop out of the
>> console and pack anywhere you wanted.
>
> Try it and see. You may be surprised just how hard it is to get that
> damned thing in and out of the console.
>
I popped the pressure gauge out of the console so I could punch some holes
in the console for a split ring. It was easy.




27 Sep 2007 10:54:12
Sheldon
Re: Computer -- Wrist or Console and why?


"Lee Bell" <pleebell@bellsouth.net > wrote in message
news:pqMKi.117$T6.66@bignews2.bellsouth.net...
> Sheldon wrote
>
>> My SPG is clipped to my bc, but on a retractor. It's easy to pull up and
>> read, and I don't have to clip and unclip it except when I break down my
>> stuff at the end of a dive, and the retractor has a clip between the two
>> halves so it's easy.
>
> I'm not a big fan of retractors used in salt water, but if it works for
> you, good enough. The important part is that your gear is under control.
> Take a look at how your SPG hose runs when retracted and how long it needs
> to be when in use and consider whether you have the optimal hose length.
> There are shorter high pressure hoses available and, if you're going to be
> around wrecks, rivers, or anyplace where there's a higher risk of snagging
> something, having all hoses run close to your body is a good thing.
>
> Lee

I hear ya. The current hose on my SPG is just right and works well with the
retractor. If the retractor fails I can just unclip it and let her dangle.
I like the retractor, but we never clipped the console to anything during
pool or OW training.




27 Sep 2007 20:59:10
Ron
Re: Computer -- Wrist or Console and why?

"Sheldon" <sheldon@XXXXXXXXsopris.net > wrote:
>"Chris Guynn" <chris.guynn@gamil.com> wrote in message
>> http://www.oceanicworldwide.com/p_computers_iddm.html
>>
>Thanks for spending all my money. :-) Does look very cool, however. If I
>had unlimited funds, or dove everyday I just might go for it.

I don't think you would. I had a chance to look one over. The
computer's display is designed to be clear for someone who has
20/20 vision. There doesn't seem to be any way to adjust it for
corrective factors. With my vision, I found the main readouts
annoyingly blurry. The tiny type that told what was being
displayed was just plain impossible to decipher.

--
Ron
(user ron
in domain spamblocked.com)


28 Sep 2007 20:22:02
Sheldon
Re: Computer -- Wrist or Console and why?


"Ron" <ron@see.below > wrote in message
news:b4kof31qltrph6inb89n4sb3sclb495bg3@4ax.com...
> "Sheldon" <sheldon@XXXXXXXXsopris.net> wrote:
>>"Chris Guynn" <chris.guynn@gamil.com> wrote in message
>>> http://www.oceanicworldwide.com/p_computers_iddm.html
>>>
>>Thanks for spending all my money. :-) Does look very cool, however. If I
>>had unlimited funds, or dove everyday I just might go for it.
>
> I don't think you would. I had a chance to look one over. The
> computer's display is designed to be clear for someone who has
> 20/20 vision. There doesn't seem to be any way to adjust it for
> corrective factors. With my vision, I found the main readouts
> annoyingly blurry. The tiny type that told what was being
> displayed was just plain impossible to decipher.
>
> --
> Ron
> (user ron
> in domain spamblocked.com)

Thanks for the update. I'm 20/20 with contacts, but now have those bifocal
inserts in my mask. Anyway, I'm always interested in new gear and cool
toys, but realize it's real easy to overdo it.




28 Sep 2007 20:24:19
Sheldon
Re: Computer -- Wrist or Console and why?


"Grumman-581" <grumman581@DIE-SPAMMER-SCUM-gmail.com > wrote in message
news:qmaof39ov70b081f4cfit2095debqdgd4e@4ax.com...
> On Fri, 28 Sep 2007 07:51:56 +1000, "Brad" <bradleyden@spammail.com>
> wrote:
>
>> I'm planning a head.
>
> What type of boat?

You mean to buy or to jump on for a dive? I don't think I'll be buying a
boat anytime soon. I'll just stand in the shower with my clothes on and
tear up $100 bills. Same thing -- right?




28 Sep 2007 20:31:43
Sheldon
Re: Computer -- Wrist or Console and why?


"John Hanson" <jhanson@northernlinks.com > wrote in message
news:84bof3da83bp8ioovanbp7aji9tp6nqetv@4ax.com...
> On Thu, 27 Sep 2007 17:33:41 -0500, Dan Bracuk <NOTbracuk@pathcom.com>
> wrote in rec.scuba:
>
>>John Hanson <jhanson@northernlinks.com> pounded away at his keyboard
>>resulting in:
>>
>>:Oh, and, why do you need to keep a wrist computer steady and aligned?
>>:I hardly look at mine any more.
>>
>>When you are using it, if you don't keep it level, the thingie on the
>>inside won't rotate.
>>
> The liquid in the crystal display?

No, the actual needle/disc won't rotate if it's not level. If you don't
hold your compass level N will always point in the same direction with
relation to you. It's pretty easy to tell when it's free.




29 Sep 2007 00:57:13
Grumman-581
Re: Computer -- Wrist or Console and why?

On Fri, 28 Sep 2007 20:24:19 -0600, "Sheldon"
<sheldon@XXXXXXXXsopris.net > wrote:

> You mean to buy or to jump on for a dive?

You said that you were "planning a head"... Heads go in boats and
ships... Are you designing your own boat or just remodelling a head
aboard a boat?


30 Sep 2007 22:33:05
nospam
Re: Computer -- Wrist or Console and why?

In article <OeydnR1Hwa_okGbbnZ2dnUVZ_sPinZ2d@comcast.com >
"Sheldon"<sheldon@XXXXXXXXsopris.net > wrote:

> I'm starting to think put the computer in the console and when you
> use a compass put that on your wrist. I also have a dive watch.


Now you're thinking. Buckle the compass around the HP hose to use
as needed. Move it to your wrist when you need to use it at length.

--
I'm trying a new usenet client for Mac, Nemo OS X.
You can download it at http://www.malcom-mac.com/nemo



01 Oct 2007 23:33:58
John Hanson
Re: Computer -- Wrist or Console and why?

On Fri, 28 Sep 2007 20:31:43 -0600, "Sheldon"
<sheldon@XXXXXXXXsopris.net > wrote in rec.scuba:

>
>"John Hanson" <jhanson@northernlinks.com> wrote in message
>news:84bof3da83bp8ioovanbp7aji9tp6nqetv@4ax.com...
>> On Thu, 27 Sep 2007 17:33:41 -0500, Dan Bracuk <NOTbracuk@pathcom.com>
>> wrote in rec.scuba:
>>
>>>John Hanson <jhanson@northernlinks.com> pounded away at his keyboard
>>>resulting in:
>>>
>>>:Oh, and, why do you need to keep a wrist computer steady and aligned?
>>>:I hardly look at mine any more.
>>>
>>>When you are using it, if you don't keep it level, the thingie on the
>>>inside won't rotate.
>>>
>> The liquid in the crystal display?
>
>No, the actual needle/disc won't rotate if it's not level. If you don't
>hold your compass level N will always point in the same direction with
>relation to you. It's pretty easy to tell when it's free.
>
My wrist computer doesn't have a needle.


01 Oct 2007 20:27:27
Sheldon
Re: Computer -- Wrist or Console and why?


"Grumman-581" <grumman581@DIE-SPAMMER-SCUM-gmail.com > wrote in message
news:84qrf3t6k87dh05io13m9n1bdl1h502pbj@4ax.com...
> On Fri, 28 Sep 2007 20:24:19 -0600, "Sheldon"
> <sheldon@XXXXXXXXsopris.net> wrote:
>
>> You mean to buy or to jump on for a dive?
>
> You said that you were "planning a head"... Heads go in boats and
> ships... Are you designing your own boat or just remodelling a head
> aboard a boat?

I guess that should have been planning "ahead." Geez, you guys take things
so literal. :-P




01 Oct 2007 22:59:02
Sheldon
Re: Computer -- Wrist or Console and why?


"John Hanson" <jhanson@northernlinks.com > wrote in message
news:pgi3g3p8sjh9q56q4ueikj4hdstlll6pdu@4ax.com...
> On Fri, 28 Sep 2007 20:31:43 -0600, "Sheldon"
> <sheldon@XXXXXXXXsopris.net> wrote in rec.scuba:
>
>>
>>"John Hanson" <jhanson@northernlinks.com> wrote in message
>>news:84bof3da83bp8ioovanbp7aji9tp6nqetv@4ax.com...
>>> On Thu, 27 Sep 2007 17:33:41 -0500, Dan Bracuk <NOTbracuk@pathcom.com>
>>> wrote in rec.scuba:
>>>
>>>>John Hanson <jhanson@northernlinks.com> pounded away at his keyboard
>>>>resulting in:
>>>>
>>>>:Oh, and, why do you need to keep a wrist computer steady and aligned?
>>>>:I hardly look at mine any more.
>>>>
>>>>When you are using it, if you don't keep it level, the thingie on the
>>>>inside won't rotate.
>>>>
>>> The liquid in the crystal display?
>>
>>No, the actual needle/disc won't rotate if it's not level. If you don't
>>hold your compass level N will always point in the same direction with
>>relation to you. It's pretty easy to tell when it's free.
>>
> My wrist computer doesn't have a needle.

Most have a disc that's floating in liquid, not a needle like a cheap
compass. Still, if you tip it too much the compass will hang. If it can't
rotate it won't work. Try it in the shop. Some allow a bit more tilt than
others.