Oceanic Watch / Dive Computer GEO - Manual (Page 52)

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 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.
SET NORM PO2 ALARM, information includes (Fig. 46):
> Graphics PO2 and AtA with MAX icon.
> Set Point value (x.xx ATA) flashing, with PO2 icon.
 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.
 Pressing and releasing the A button momentarily (< 2
seconds) will save the setting and/or advance to the SET
A screen.
 Depressing the A and S buttons simultaneously for 2
seconds will save the setting and revert 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. 46 - SET PO2
ALARM
Setting the PO2
Alarm to activate
before reaching the
Max allowed limit of
1.60 ATA is highly
recommended.