Operation Manual

TO SET - MAX PO2 ALARM (while in the Surface Mode)

Factory set for 1.60 (ATA), the Max PO2 Alarm can be set to val-

ues between 1.20 and 1.60 (ATA) in increments of .10 (ATA).

 Depress Both buttons simultaneously, release when SET 2 ap-

pears (4 seconds).

 Press and release the Advance (Front) button, the Units screen

appears with the set point flashing.

 Press the Advance (Front) button 10 more times.

 The graphic PO2, MAX icon, and Alarm (speaker) icon appear

with the PO2 Alarm value flashing (Fig. 35).

 Press and release the Select (Side) button to advance the Alarm

value in increments of .10 (ATA), or press and hold the button

to scroll through the Set Points at a rate of 4 per second.

 Press the Advance (Front) button to accept the setting and ad-

vance to Set FO2 50% Default, or depress and hold Both but-

tons for 2 seconds to revert to Surface Mode.

Fig. 35 - Set Max PO2 Alarm