Quote: (Originally Posted by
jkaterenchuk)

I like others was trained to utilize a predive check list. Over time while reading contirbution of others on RBW I have expanded this check list. It includes both predive checks as well as those that should be completed during the initial portion of the dive.
ie....checking that cells are not current limited.
I would like to hear from others what they include on their predive/initial dive check list that is beyond the manufacturers standard recommendations? Try to be generic in nature (ie...things that are good to do regardless of type of unit)
If it easier to send me a copy of your checklist let me know and I can supply my email.
I will be happy to post the final list.
Separate from the manufacturer's list, here's what I do on every dive:
Gas, gauge, lungs, lift, lips, computer, count...
Gas - check O2, Dil & Bailout valves, make sure they are turned on
Gauge - check gauges, confirm available gas supply (O2, Dil & bailout)
Lungs - Check counter-lungs, test O2 & ADV manual add, test ADV isolator, check OPV on exhale lung..set to appropriate positions
Lift - test drysuit inflator and BC inflator
Lips - Check regs (bail-out) and DSV (test open/closed)
Computer - check that it's on & functioning and working it's way toward selected setpoint, compare handset(s) to HUD
Count - 2 minute pre-breathe - watch computer/HUD track setpoint. Watch for any funny feelings during pre-breathe.
The above is done on the bench, fully kitted up before I splash. When I splash, I go through the same again on my way to 20', purging the loop & adding O2 to test cell responsiveness & current limitations. In the water, "count" becomes "current" for checking current limits of cells.
Several others on the list will recognize these as "the 2's" we learned from our instructor, I simply added the gas, gauge...Mnemonic for myself.
There are, of course, numerous checks before I get to this point, largely based on the manufacturer's check-list and recommendations.