I haven't seen this written anywhere, so I'm thinking it's and original idea. We all learn the pre-dive checks during OW cert. I came up with this one to use and it has worked well for me so I thought I'd pass it along.
A- Air on? tank full?
B- BCD ok? includes LP inflator attached, some air in, weights in, nothing dangling, (if using weight belt, check here)
C- Computer? on and set to correct Nitrox %
D- Defog mask (do you have it?)
E- Everyone else doing these checks?
F- Fins on
G- Go diving!
Todd C
A- Air on? tank full?
B- BCD ok? includes LP inflator attached, some air in, weights in, nothing dangling, (if using weight belt, check here)
C- Computer? on and set to correct Nitrox %
D- Defog mask (do you have it?)
E- Everyone else doing these checks?
F- Fins on
G- Go diving!
Todd C