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Diving tables
- Thread starter TSandM
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vjanelle
Contributor
Well, the operating range in the manual says it is 0C -> 40C, and reads -9C to +50C, with a ±2 range within 20 minutes of operating change...
So it should be ok.
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It should still be working in 4-5 degrees. Is it low voltage due to cold? Are all other functions running? I'm still concerned.
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vjanelle
Contributor
Everything works fine, I just got concerned by "temperature calibrated pressure sensor", and the fact that macdive reports nothing less than 7C when I think the water was colder than that.
Could be heat from my dry suit.
I think for it to be out of range it'd have to be way higher than a 2C deviance. I'll compare it with my team's suunto's when I go diving next.
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I'm curious, please post the results here and PM me.
Fish-R-Man
Contributor
I didn't vote, as I am one of the divers that was first certified in 1970. Back then I didn't have a timer, depth gauge or SPG. We beach dove unless I could get a ride out to the Channel Islands. We would then find a likely spot and I carried a two pound weight on a 60' piece of string. When it would hit the bottom, we would drop the anchor and dive from there. We used tables if we were going to very from this plan, but mostly we avoided go much deeper than the 60' or so. Once I got a little older and saved up some money to buy a depth gauge and watch I used tables to plan my dives. Used a Scubapro capillary meter for quite a few years. Now I mostly use my computer. I carry a spare computer and tables in case of a failure and to pre-plan some of the dives. I recently took an Intro to Cave class and we used tables for all of our dive planning. Computers were the back up.
Wolfling68
Guest
Well, I was certified before computers, then I took a 20 year hiatus. Right now, the plan is to trust the tables and use the computer as a backup. After I gain some experience with it, I might trust it more.
Like TSandM, I started with tables back in 1984 when computers were really expensive and not very common.
Then in 1996 I purchased an Oceanic DataMax II. After that I started diving based on the computer, but I checked my dives and worked repetative dives on the U.S.N. diving tables. If the dive did not fit the No-D table I would switch to the appropreate decompression on air table and see if I was within the peramiters for that table.
Then in 1996 I purchased an Oceanic DataMax II. After that I started diving based on the computer, but I checked my dives and worked repetative dives on the U.S.N. diving tables. If the dive did not fit the No-D table I would switch to the appropreate decompression on air table and see if I was within the peramiters for that table.
FrogManMike
Guest
You and I are in the same boat
Actually I rely entirley on calculating my dive tables.
I don't Need or want a computer nor do I plan on buying one besides I try not to dive at depths that would even require me to calculate a safe bottom time.
I try to dive at depths with unlimited bottom times.
I done all the Tech Deep dives in my younger years.:cool2:
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