Tusa ZEN AIR IQ-950, Owner'S Manual

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26
WATCH CDT (COUNTDOWN TIMER)
Pressing and releasing the M button momentarily 2 times (< 2
sec each time) while the Watch Default Time screen is displayed
will access the Watch CDT status screen, displaying the remain-
ing Countdown Time (hr:min) if running (Fig. 17A), or OFF flash-
ing and the previously set Countdown Time if the set Countdown
started and has ended, or OFF (solid) and 0:00 if no time was
previously set (Fig. 17B).
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 sound.
• S (< 2 sec) will toggle between ON and OFF. A toggle to
ON will Start the Timer if a Time has been set.
• A and S (simultaneously 2 sec) will access Set Watch CDT.
• L (press) will activate the Backlight.
• M (2 sec) will revert to the Watch Default Time screen.
• If no button is pressed during a period of 2 minutes,
operation will revert to the Watch Default Time screen.
Fig. 17B - WATCH CDT
(no time set)
Fig. 17A - WATCH CDT
(running)