Aeris Manta Operating Manual page 109

 Press/release the S button momentarily (< 2 seconds) to
toggle between ON and OFF.
> If a Time has been set, a toggle from OFF to ON will Start
the CD Timer indicated by the colon flashing.
> An ON/OFF toggle is prevented when S is operated to
acknowledge/silence the Watch Daily Alarm.
 Pressing the A button momentarily (< 2 sec), or depressing
the button for 2 seconds, or if no button is pressed
during a period of 2 minutes, the Display will revert to the
FREE SURF AIN screen.
 Depressing both the A and S buttons simultaneously for 2
seconds while viewing the CDT Status screen when the CD
Timer is OFF will access the SET CDT screen with the
INUTE Set Point flashing.
OTES: Once the CD TIMER has been Set and
Started (by selecting O ), it will continue to
run in the background while on the surface
until turned OFF (stopped) or the Time reaches
0:00 at which time the Alarm will strike (3
short beeps 3 times), the message TIMR will be
displayed, and the CDT will revert to OFF.
Upon descending to 5 FT/1.5 M (i.e., entry into
FREE DIVE Mode), CDT operation will continue,
if in progress.
The Set Point for
the Watch CDT
does not affect
the REE CDT.
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