U.S. Divers 150-2421 - Flatfoto 1.3-megapixel Digital Camera, Owner'S Manual

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Section 2: Diving with the Monitor 3 Air
29
Diving at Altitude
The Monitor 3 Air measures the atmospheric pressure
even while in Sleep Mode. If the computer detects a higher
altitude, it automatically switches on and displays the
adaptation time. This is the time after which your body is
considered desaturated and stable at the given altitude.
Altitude sectors
Atmospheric pressure is influenced by altitude and
weather. The Monitor 3 Air is interested only in the actual
atmospheric pressure value for use in decompression
calculations. However, it indicates the altitude sector
which corresponds most closely with this pressure for
normal weather conditions. The altitude sectors and their
corresponding altitude is illustrated below.
switches at
approx 13.12 psi
switches at
approx 11.81 psi
switches at
approx 10.51 psi
switches at
approx 8.85 psi
Altitude adaptation
time display
Adt=Adapt