39
Setting PO2 Alarm (continued) -
• Press and release the Side (Select) button to advance the
Alarm value in increments of .10 (ATA).
• Press the Front (Advance) button to accept the setting and
advance to Set FO2 50% Default, or press and hold Both
buttons for 2 seconds to revert to Surface Mode.
TO SET - FO2 50% DEFAULT (while in the Surface Mode)
Factory set ON, the FO2 50% Default feature can be set to OFF.
Effects of this feature set ON or OFF are described on page 20.
• Press Both buttons simultaneously, release when SET: 2
appears (4 seconds).
• Press and release the Front (Advance) button, the Units screen
appears with the set point flashing.
• Press the Front (Advance) button 14 more times.
• The graphics FO2 and 50 appear with ON (or OFF) flash-
ing (Fig. 43).
• Press and release the Side (Select) button to toggle between
ON and OFF.
• Press the Front (Advance) button to accept the setting and
advance to Set Backlight Duration, or press and hold Both
buttons for 2 seconds to revert to Surface Mode.
Fig. 43 - Set FO2 Default
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