Aeris Epic Operating Manual page 51

 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 FO GAS ,
> Graphic GAS2
> PO2 Alarm Set Point with graphic PO2
> Symbol FO2 and FO2 Set Point value, flashing
> Tank 2 icon representing GAS 2
> Symbol NITROX (if set for a numerical value).
> Max Depth allowed for the PO2 Alarm Set (if 21 to 100%)
 Depressing and holding the S button while the FO2 Set
Point is flashing will scroll the Set Point from AIR to 21
through 100% in 1% increments, at a rate of 8 per second.
 The scroll will start at the FO2 GAS 1 Set Point and stop
when the button is released, or momentarily at 50% (Fig.
44), then 80% (even if the button is held depressed).
 Depressing and holding the S button will resume the scroll
through 100%, then stop at AIR (or 21 or the GAS1
setting).
 Pressing and releasing the S button (< 2 seconds) will
advance FO2 in increments of 1% per press of the button.
 Pressing and releasing the A button momentarily (< 2
seconds) will save the setting and/or advance to S T FO2
GAS 3 with the Set Point flashing.
information includes:
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