Watch Countdown Timer (Hr:min) - Aeris Manta Operating Manual

If no button is pressed during a period of 2 minutes, the unit
will revert to the AIN TI E screen.
WATCH COU TDOW TIMER (HR:MI )
Pressing the button momentarily 2 times (< 2 seconds each)
while the Local Default Time screen is displayed will access the
Countdown TI ER screen, displaying the remaining Count-
down Time (hr:min) if running, or OFF flashing (Fig. 16) and
the previously set Countdown Time (hr:min) if the set Count-
down started and has ended, or OFF (solid) and 0:00 if no
time was previously set.
Once set ON, a Countdown will run in the background until it
counts down to 0:00, or it is set OFF, or a Dive is made at
which time it will default to OFF and the value previously set.
When a set Countdown Time reaches 0:00, the Audible Alarm
will beep 10 times and the red LED warning light will flash.
 Pressing and releasing the S button (< 2 seconds) will
acknowledge and silence the Alarm.
 Pressing and releasing the S button (< 2 seconds) will
silence and acknowledge the Daily Alarm (if its set and it
sounds).
 Pressing the L button will activate the Backlight.
 Depressing and holding the button for 2 seconds will
revert to the Local Default Watch Time screen ( AIN or
ALTERNATE TI E).
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