TO SET - FO2 (while in the Surface Mode)
Factory set for AIR, FO2 can also be set to values between 21 and 50% in increments of 1%.
•Press Both buttons simultaneously, release when SET: 1 appears (2 seconds).
•Press and release the Left (Advance) button, FO2 ap- pears with the set point value flashing (Fig. 19).
•Press and release the Right (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 Right (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. 20a), or the PO2 Alarm set point. If FO2 is set for AIR, no Depth value is displayed.
•Press the Left (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.
N2
O2
ATR
Fig. 19 - Set FO2
N2
MAX
a
O2
ATR
Fig. 20 - FO2 set for 32%
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