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SET PO2 ALARM information includes (Fig. 55):
> Graphics PO2 and AtA
> Set Point value, flashing.
> Symbol MAX
Pressing and releasing the S button momentarily (< 2
seconds) will increase the Set Point from 1.20 (ATA) to 1.60
(ATA) in .10 (ATA) increments.
Depressing and holding the S button will scroll through the
Set Points at a rate of 4 Set Points per second until it is
released.
Pressing and releasing the A button momentarily (< 2
seconds) will save the setting and/or advance to the SET A
screen.
Pressing and releasing the A button momentarily and
repeatedly (< 2 seconds each time) will step through the
other SET A screens.
Depressing the A and S buttons simultaneously for 2
seconds will save the setting and revert back to the SET A
screen.
Depressing and holding the M button for 2 seconds or if no
button is pressed for a period of 2 minutes operation will
revert to the NORM or GAUG SURF MAIN screen.
Fig. 55 - SET PO2
Setting the PO2
Alarm to activate
before reaching the
Max allowed limit of
1.60 ATA is highly
recommended.