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At 06:00  8/03/01 , Frank wrote:
>Billy,
>
>I use an analogue watch with depth and bottom time as my backup. The watch has
a
>large second hand which can be use as a stand-in stop watch.


What do you need to time in seconds?

rdgs billyw


>cheers
>frank
>
>
>----- Original Message -----
>From: <billy@v3*.co*.au*>
>To: <techdiver@aquanaut.com>
>Sent: Wednesday, March 07, 2001 8:13 AM
>Subject: Re: Underwater timers.
>
>
>At 12:54  6/03/01 , Charles Roth wrote:
> >I do have a bottom timer. I use a Vyper in gauge mode as my primary gauge and
>have a OMS(aka-Uwatec) as my backup. Unfortunately, both of these timers only
>count in full minute increments.  My deco program (Abyss RBGM) has 30 second
>intervals on it's deco stops.  When I mean stopwatch, I mean just that.
>Something that I could start/stop and reset for each stop. This would be in
>addition to my bottom timer, not to replace it.
> >Deco stops are kind of boring and an idle mind has lots of room to wander
while
>hanging there. Consider this: If you dive a 240fsw dive for 25 minutes, you
will
>have 17 deco stops.  If you ascend at 30fpm it would take you 20 seconds to
>arrive at your next stop. If you do not take this into account, then you would
>shorten your total recommended deco time by about 6 minutes (17stops X
>0.33minutes=5.661 minutes).
>
>This is silly. Stop confusing yourself. Use run-time.
>
>rdgs billyw
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