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.

N2

MAX

O2

ATR

Fig.37-MaximumPO2Alarm

39