Viper12161
Contributor
Do most computers allow you to reset the dive data as a new user? For instance, if I get a used Luna..I know it records longest dive, deepest dive etc....will I be able to reset all that from the previous owner?
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Absolutely agree with everything here. Only thing I would add is that most of my "deep" (60+) dives are square profiles anyway, though I still take the DC along. A small point I always throw in that I have never heard an instructor mention -- the fact that when using tables and your max depth is 90', your average max depth is probably 87-88', unless your nose is literally in the sand. So there is that little bit of conservatism. With a DC, when it says you have 15 mins. bottom time remaining it MEANS 15 mins., not really 16 or 17.computers are not technically necessary but man do they make a big difference in your dive times because they don’t force you into a square profile where you NDL is based on your deepest depth (unless you calculate multi-level which is possible but takes more time).
I am still old school..I manually log all my dives and do the table calculations despite using a computer. About 3/4 of my dives I am beyond NDL limits according to the tables, but well within NDL limits on the computer due to the live calculation based on actual depths.
If all you are doing is shallow single dives, not a big deal but for anything approaching 60 ft for repetitive dives the computer really does extend your allowable bottom time and thus your enjoyment.
Do most computers allow you to reset the dive data as a new user? For instance, if I get a used Luna..I know it records longest dive, deepest dive etc....will I be able to reset all that from the previous owner?
It was easy to reset my used Petrel 2. Don't know about the Luna. You should be able to google any manufacturer's site for their user guide and confirm the reset functionality.
You may want to send an email to ScubaPro and ask. When I bought my used Petrel 2 I had a few questions for Shearwater and they responded within 48 hours. Note that I'm a ScubaPro fan and own a SP bcd, regs and wetsuit. I've not had to connect with SP so I don't know what their level of service is like.
Give ScubaBoard a little time, as there might be a Luna owner that can confirm the reset function.
...BTW, I've settled on Shearwater's ZHL-16C algorithm.