Charlie99
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Look at the Understanding M-values article on the gap website. GAP 1.2 uses those compartment numbers/halftimes/M0 values, except that what is labeled #1 onscreen is the 5 minute HT compartment 1b. Another possible point of confusion is that, when you start a new profile, the compartments all show 0% on the screen. Do a 0' 0 minute dive, and you will have a bunch of numbers. These are the initial loadings for saturation at your selected altitude (normally sea level). Using 2' for inspired air H20 pressure, and 79% inert gas, the starting compartment loadings are about 24.5fsw.newdiverAZ once bubbled...
Does anyone now what the tissue haltimes are corresponding to the compartment #'s. {GAP}
It may be that you were expected the compartments to move from zero up to equilibrium at the new dive depth. In reality, they are moving from those numbers you see after a 0' 0 minute dive.
Hope that helps,
Charlie