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Teresa and I have had Nemess II's for a couple of years. We have clocked up approx' 200 dives on them, about half where accelerated deco dives. Mine went tits up after a few� dives and took 5-6 weeks to get fixed. (Shipped from the UK). � The batteries dont last as long as advertised, even shorter if you don't keep the contacts clean ( battery warning comes on at about 5.4v, take batteries out, clean contacts, back up to 5.9 - 6v. You can do this 2 or 3 times before binning the cells). I'm not very happy with the software. I still cant get a hard copy of the graph. (Can anybody help) I hear Cochran are developing a Windows based version but that could be years away. � I don't carry a back up pressure gauge. My reasoning behind this is; a. The back up is a potential high pressure failure point (kiss).� b. I work out my gas consumption before the dive so I have a good idea if the unit starts telling 'porkies'. Any doubts - I call the dive.� c. If the 1st stage fails (the one with the computer sender unit) I call the dive - obviously. I always dive with a twinset with isolation manifold. � I must add that I'm not a caver nor do I do long wreck penetrations (at the moment) and I ALWAYS carry a bottom timer and tables with the relevent mixes as back up. So far we havn't had to use them. � On the whole we are very pleased with them. We have longer bottom times / less deco than our mates who dive standard nitrox tables.If the unit gets bent ie when we trimix, it still works as a bottom timer / pressure gauge and will record the dive details.�� � Kevin Pickering -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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