39
MAX
ATR
O
2
N
2
TO SET - MAXIMUM PO2 ALARM
(while in the Surface Mode)
Factory set for 1.60 (ATA), the Maximum PO2 Alarm can be
set to values between 1.20 and 1.60 (ATA) in increments of
.10 (ATA).
Press Both buttons simultaneously, release when SET: 2
appears (4 seconds).
Press and release the Left (Advance) button, the Units
screen appears with the set point flashing.
Press the Left (Advance) button 13 more times.
The graphics PO2 and MAX, and Alarm (speaker) icon
appear with the PO2 value flashing (Fig. 37).
Press and release the Right (Select) button to advance the
Alarm value in increments of .10 (ATA).
Press the Left (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.
Fig. 37 - Maximum PO2 Alarm
