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recent dive first. The log displays dive number, surface interval, maximum
depth (and Max Depth Icon), bottom time (and Elapsed Time Icon), and
maximum ascent rate (VARI). It also displays end–of–dive tissue loading
(TLBG). This is handy when making decisions about future dive plans.
ALTITUDE DIVING
The PRODIGY automatically compensates for decreased ambient pres-
sure when activated at high altitudes up to 14,000 feet (4,268 meters). Its
program contains a high altitude algorithm that reduces no-decompression
limits to add a larger zone of caution. Whenever it is activated above 3,000
feet (915 meters), it will automatically recalibrate itself to measure depth in
feet of fresh water.
KNOWING WHEN TO FLY
Due to the present lack of a complete data set derived from actual human
testing, there are different recommendations cited by various scientific
organizations for the amount of time a diver should wait before flying after
diving. The PRODIGY follows one of the more conservative of these, cited by
Divers Alert Network (DAN); that divers wait at least 12 hours before flying
in pressurized commercial aircraft, and at least 24 or more if making repeti-
tive multi-day or decompression dives. The PRODIGY easily tracks how
much surface time has elapsed with the Time to Fly display.
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