Quote: (Originally Posted by
hchoat)

It is extremely easy to maintain a setpoint. I find that the first clue that I need to add O2 is a slight drop in bouyancy, along with a slight perceived drop in loop volume.
-H

All of the above + using e-SP= 1.1 and m-SP= 1.15. As soon as the HUD (Meg) flashes an amber, I know its time for a shot of 02.
Key is to make it habitual. The sound of the solenoid often gives me a jolt of attention

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