DivingDoc
Contributor
Originally posted by SubMariner
Then I went to Nitrox. Bought the Aeris Atmos Pro and still have my old non-AI PC as a back up. Plus a dive watch that I can pre-set to the NDL limit as a back up on the actual dive if the PC dies. At least I can still dive a "flat profile" if the PC quits because I still have a functioning SPG... something you DON'T have with AI.
Sorry --I'm still a Newbie -- what does NDL mean (Non-Decompression Limit?); and what does "SPG" stand for- Standard Pressure Gauge, I'm guessing?