Tusa ZEN AIR IQ-950, Owner'S Manual

Page: 105 / 137

106
FREE MODE COUNTDOWN TIMER (CDT)
After accessing the Free CDT Status screen from the Free Surface
Main screen, the CDT can be started, stopped, and set.
The Status screen, displaying the graphics CDT and ON if run-
ning with Countdown Time (min:sec) remaining (Fig. 106), or
OFF flashing and the previously Countdown Time set, 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 will
sound during which the graphic CDT will flash (Fig. 107).
• S (< 2 sec) will toggle between ON and OFF. A toggle to
ON will Start the CDT if a Time has been set.
• A and S (2 sec) will access Set Free CDT.
• S (< 2 sec) will revert to Free Surface Main.
• M (2 sec), or if no button is pressed during a period of 2
minutes, operation will revert to Free Surface Main.
• L (press) will activate Backlight.
Fig. 107 - FREE SURF MAIN
(during CDT Alarm)
Fig. 106 - CDT STATUS
(On, Running)