90
Air Consumption and Depth are continuously monitored and
ATR reflects any change in circumstances. For example, when a
buddy starts breathing from your Octopus or you suddenly find
yourself swimming against a strong current and begin breathing
more rapidly, the OC1 will recognize the change and adjust
ATR accordingly.
ATR is the time you can remain at the present Depth and still
safely surface with the Tank Pressure reserve that you selected
during setup (End Pressure Alarm Setting).
ATR is displayed on the NORM No Deco and GAUG Main, and
Deco ALT screen, when <= 60 minutes (Fig. 73a).
ATR Alarm
When ATR decreases to 5 minutes, the Audible will sound and
the ATR Time digits will flash (Fig. 74). If it decreases to 0, the
Audible will sound again. The digits will continue to flash until
ATR becomes greater than 5 minutes.
You should initiate a controlled Ascent while monitoring Tank
Pressure. However, there is no reason to panic, the OC1 has
allowed for the Air necessary for a safe Ascent including the
No Deco Deep and Safety Stops, if set On, and any Deco Stops
required.
Fig.73-GAUGDIVEMAIN
Fig.74-ATRALARM
a
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