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5.9.4. Diving at altitude
The dive computer can be adjusted both for diving at altitude and also to increase the
conservatism of the mathematical nitrogen model.
When programming the instrument for the correct altitude, you need to select the
correct Altitude Adjustment settings according to Table 5.5, Altitude Adjustment settings.
The dive computer will adjust its mathematical model according to the entered altitude
setting, giving shorter no-decompression times at higher altitudes (see Table 9.1, No-
decompression time limits for various depths (m) and Table 9.2, No-decompression
time limits for various depths (ft) in Section 9.2. RGBM).
Table 5.5. Altitude Adjustment settings
Altitude rangeAlt. adjustment value
0 - 300 m / 0 - 1000 ftA0
300 - 1500 m / 1000 - 5000 ftA1
1500 - 3000 m / 5000 - 10 000 ftA2
NOTE
Section 5.8.4. Setting the personal/altitude adjustments describes
how the Altitude value is set.
WARNING
Traveling to a higher elevation can temporarily cause a change
in the equilibrium of dissolved nitrogen in the body. It is
recommended that you acclimatize to the new altitude by waiting
at least three hours before diving.
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