Operation Manual

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.

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

pears with the set point flashing.

 Press the Advance (Front) button 12 more times.

 The graphics PO2 and MAX, and Alarm icon appear with the

PO2 value flashing (Fig. 35).

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

value .10 (ATA) for each press of the button.

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

vance to Set FO2 50% Default, or press and hold Both buttons for

2 seconds to revert to Surface Mode.

Fig. 35 - Set Max PO2 Alarm