Radio Shack 65-779 Specifications download pdf (Page 71)

DATA100

Both the UHMS and DAN agree that “There can never be a flying after diving rule that is guaranteed to

prevent decompression sickness completely. Rather, there can be a guideline that represents the best estimate

for a conservative . . . surface interval for the vast majority of divers. There will always be an occasional diver

whose physiological makeup or special diving circumstances will result in the bends”.

MORE ABOUT ALTITUDE DIVING

WARNING: Diving at high altitude requires special knowledge of the variations imposed

upon divers, their activities, and their equipment by the decrease in atmospheric pressures.

Oceanic recommends completion of a specialized Altitude training course by a recognized

training agency prior to diving in high altitude lakes or rivers.

Atmospheric pressure decreases as altitude increases above sea level. Weather systems and ambient tempera-

ture also affect barometric pressures. Consequently, depth reading instruments that do not compensate for the

decrease in pressure indicate depth readings shallower than the depth they are actually at.

The Data100 automatically compensates for decreased ambient pressure when activated at high altitudes up to

14,000 feet (4,267 meters). Its program contains a high altitude algorithm that reduces no decompression limits

to add a larger zone of caution.

Whenever the Data100 is manually activated at altitudes higher than 2,000 feet (610 meters), it will automati-

cally recalibrate itself to measure depth in feet of fresh water rather than feet of sea water. When returning to

lower altitudes, diving should not be conducted until the Data100 automatically clears of any residual nitrogen

and resets to operate at the new altitude.

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Radio Shack 65-779 Specifications Page 71