28
• Press and release the Side (Select) button repeatedly to
increase the FO2 value from 21 to 50% in increments of 1%,
then display AIR again; - or - Press and hold the Side (Select)
button to scroll from AIR to 32%, then press and hold again to
scroll from 32 to 50%, then AIR.
• For each FO2 value that appears, the display indicates the
Maximum Depth that can be achieved for a PO2 of 1.60
ATA (Fig. 24a), or the PO2 Alarm set point. If FO2 is set for
AIR, no Depth value is displayed.
• Press the Front (Advance) button to accept the setting and
advance to Set Depth Alarm, or press and hold Both buttons
for 2 seconds to revert to Surface Mode.
TO SET - MAX DEPTH ALARM (while in the Surface Mode)
Factory set for 330 feet, the Alarm can be set to values between
30 feet (3 meters) and 330 feet ( 99 meters) in increments of 10
feet (3 meters).
• Press Both buttons simultaneously, release when SET: 1
appears (2 seconds).
• Press and release the Front (Advance) button, FO2 appears
with the value flashing.
• Press the Front (Advance) button 1 more time.
• The graphics FEET MAX and dEEP, and Alarm icon appear
with the Max Depth set point value flashing (Fig. 25).
Fig. 25 - Set Max Depth
Fig. 24 - FO2 Set at 32%
ATR
O
2
FEET
ATR
MAX
O
2
a
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