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WARNING: SET THE CORRECT ALTITUDE SETTING! When diving
at altitudes greater than 300 m (1000 ft), the altitude setting must
be correctly selected in order for the computer to calculate the
decompression status. The dive computer is not intended for use at
altitudes greater than 3000 m (10000 ft). Failure to select the
correct altitude setting or diving above the maximum altitude limit
will result in erroneous dive and planning data.
3.28.3 Oxygen exposure
The oxygen exposure calculations are based on currently accepted
exposure time limit tables and principles. In addition to this, the
dive computer uses several methods to conservatively estimate the
oxygen exposure. For example:
•
The displayed oxygen exposure calculations are raised to the
next higher percentage value.
•
The CNS% limits up to 1.6 bar (23.2 psi) are based on 1991 NOAA
Diving Manual limits.
•
The OTU monitoring is based on the long-term daily tolerance
level and the recovery rate is reduced.
Oxygen related information displayed by the dive computer is also
designed to ensure that all warnings and displays occur at the
appropriate phases of a dive. For example, the following
information is provided before and during a dive when the
computer is set in Air/Nitrox or Trimix:
•
The selected O
2
% (and possible helium %)
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