I have a Cochran Nemesis IIa too.  I love it.  I do a lot of nitrox
decompression diving with a different gas for deco.  I set to the two
gasses I am using and it gives me information about my calculated deco
status which I compare to my pre-dive slate profiles.  

Since it is air integrated, if I don't stop breathing off my twins (failed
stage bottle reg, lost bottle etc.) then it knows that and calculates my
deco on my bottom mix.  If I do stop breathing off my twins, it calculates
deco based on my deco gas.

Also, if a dive is called early for some reason and it becomes important to
get out of the water fast, I have a reasonably safe estimate of the minimum
deco.

It also does nice things like calculating my continuous SAC rate,
automatically compensating for atmoshpheres of pressure.  It then gives me
minutes of gas left based on my current SAC rate.

Its doesn't do deco calculations for a trimix dives.

The biggest complaint I have heard is that they have had a high rate of
returns.  But I got a good one and I think its great.


At 08:48 AM 12/1/97 +0100, Phi Le wrote:
>With all the bashing on the Cochran Nemesis IIa, if anyone really had
first hand experience, please elaborate. I have recently bought one before
subscribing to Aquanaut, and very interested in learning about any
potential problems. I also have Aladin Pro Nitrox, and thinking about
getting the Commander for my wife.


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