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I hit my NDL on my uwatec Smartcom last week while my buddy still had several minutes left .(110 ft on the grove). I burned off its requirement for a 1 min deco stop during our slow assent to our safety stop.
I had not realized what a difference the microbubble level setting has.
My concern is that even at setting 0, the NDL's are still several minutes shorter than the PADI tables. in some cases as much as 6 minutes. This is true for air as well as 32% & 36% nitrox.
My question is : Is this normal for this computer?
I don't mind conservative formulas, but I would like to know its intentional, not a defect.
Last edited by HarleyDiver; May 18th, 2003 at 02:10 PM.
Aladin computers are a bit conservative on the first dive, but more liberal than Suunto computers on repetitive dives. What kind of computer did your Buddy have? Probably an Aeris or Oceanic. Those are very liberal on NDL's but according to a test in a German magazine they run up very long stop times once you go past the NDL. No free lunch. Want a really liberal computer? Try a Cochran or a Polar. The latter is available for only $199 from www.divers-supply.com and neither of those two will lock out.
I meant I wonder how often people just go right past the NDL on their computers.
By definition recreational diving is no stop and often prohibited by many dive operators. I had been diving for a while before I did it on a dive where my buddy had nitrox and I was breating air. Like the above post my meter gave me a 1 minute stop and cleared on the way up the line.
On wall dives in Roatan I have seen quite a few divers going deep and running up deco obligations and I have done it myself there, on a planned basis, with lots of air left over.
Some dive computers blur the line between no stop diving and deco stop diving. The very popular Suunto computers have a "mandatory safety stop" when the ascent rate is violated. My understanding is the computer will not lock out if this stop is missed, but it will reduce no stop times on subsequent dives.
Some dive computers blur the line between no stop diving and deco stop diving. The very popular Suunto computers have a "mandatory safety stop" when the ascent rate is violated. My understanding is the computer will not lock out if this stop is missed, but it will reduce no stop times on subsequent dives.
I'm sure it is just a wording difference but the Suunto computers have a "mandatory" safety stop anytime you go below ~33 feet, ascent rate violation or not. If you continually violate the ascent rate you will get a deep safety stop in order to off gas at a deeper depth. If you continually violate these. You will get the "Mandatory 24 Lockout" once you hit the surface.
Suunto also does the rolling deco. If you violate the NDL it will give you the amout of time it should take you to surface INCLUDING your 3 minute safety stop.
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