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From: "donburke56" <donburke56@ne*.ne*>
To: <techdiver@aquanaut.com>
Subject: Computers
Date: Thu, 17 Aug 2000 12:56:06 -0400
From: Brian Matsik <brianmat@oo*.co*>

<snip>

> Anyway, I am starting to look at a dive computer since table diving sucks
quick.

Actually, a bottom timer will fix the worst of that.  Once you're under,
check the bottom timer against your watch and go on from there.

If you can't deal with the tables now, there's a reasonable chance you will
get yourself into trouble when you go to deco diving.

Since you want to do this on the cheap, a DAN membership and a SCUBA rider
on your life insurance would be good ideas.

>We were loosing about 10-13 minutes per dive due to the SSI tables, so a
computer is at the top of the next purchase.

> What does everyone recommend for a nitrox ready (don't want to buy another
computer later) wrist mount computer?

I was advised to buy the cheapest nitrox capable computer I could find since
it would become a backup bottom timer later.  This turned out to be an
Oceanic Data Plus that was on clearance at a local dive shop.  It is a
console module, so it mounts anywhere.

I like it, but I wouldn't dream of betting my life on it.

If you are looking for a computer that will keep up with you forever, check
between your ears.  Trimix computers run for _lots_ of money, rebreather
computers are even more and GOD only knows what will come next (ArgOx?
HydrOx?)

The computer I would use for deco diving doesn't exist yet.

> I would like the PC download, but that is not a necessity.

The Data Plus has it.  I don't have the hookup so I haven't tried it.

>I am looking for something that is functional and relatively inexpensive
since a costly computer may change my focus from a fun dive to worrying
about the computer (damaging, breaking, futzing with buttons, etc.)  They
keys to me are: ease of use, cost, and the ability to handle deco stops.

This machine meets all of that with the exception that it doesn't do gas
changes for deco.  I wouldn't trust it for deco anyway.

> LeisurePro has Aeris Savant for under $325 and they also have the Oceanic
XTC-100 for just a bit more, but I am open to others.  Ease of use is
important since some people were fighting to get their computers to work for
each dive.

The Data Plus has one button.  I turn it on when I get dressed, check what
the planning display tells me against the PADI and USN tables, set the
nitrox mix just before I go over the side and check dive time against my
watch at 15 feet.

During the dive, that one button will turn the light on or give me the
temperature.

Between dives I compare the computer to the tables and reset the nitrox mix
just before I go in again.


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