But I like hypothermia petronius.....Well, at least comfortably cool...
Rule #1 concerns me a little though.
Quote:
New Rule
It is permissible to dive deeper on your second dive than on your first, and to dive deeper on the later part of a dive than on the early part.
Old Rule
Until this year, all divers have been taught to go to their greatest planned depth early in the dive and then gradually work upward in a regular "stair-step" pattern. Similarly, they've been told to make the deepest dive of the day the first one. The rationale was that the shallower depths later provided decompression for the preceding greater depths.
Reason for the Change
Dive computers. Because computers can track your depth and time constantly and are pretty good at math, it's possible to know your nitrogen exposure accurately regardless of your profile. Tables, by contrast, can account for only your greatest depth, and this crude approximation of nitrogen exposure still mandates a conservative approach.
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Most of the computers out there that I have read the manual for (best way to make a decision on which one to get...) Do state that the deepest part of the dive should be at the start and that saw tooth profiles should be avoided.
So, now I'm confused...