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Chuck Tribolet:I dive it full soft (counter clockwise), because if I don't
it's too hard to exhale.
Positive pressure test is done full hard.
Some people incorrectly believe that you will use less
gas if you set it hard. The oriface will will flow the same
number of gas molecules, so you'll use the same amount
of gas. So do what works.
Camerone:I actually adjust mine per dive.