Tusa ZEN AIR IQ-950, Owner'S Manual

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Transmitters (TRTs) each use (1) 3 volt, CR2 Lithium Battery. A
TRT's battery should provide normal operation for 1 year or 300
dive hours. TRTs check battery voltage when they are pressur-
ized and will send a Low Battery signal to the Receiver in the
ZEN AIR when the voltage drops below the Warning level.
• TRT Low Battery conditions are only displayed on Status
screens that can be accessed from the Surface Display.
To check the condition of the ZEN AIR or a TRT's Battery if
NORM or GAUG Mode is selected, depress the S button for 2
seconds while viewing the Surface Main, then release it.
• As the button is depressed, the ZEN AIR's Receiver will
activate, if in NORM or GAUG Mode.
• 2 seconds later, the ZEN AIR's Battery status will be
displayed for 3 seconds (Fig. 5), then -
• if active and linked, TRT 1's Battery status will be displayed
for 3 seconds (Fig. 6A), then -
• if active and linked, TRT 2's Battery status will be displayed
for 3 seconds, then -
• if active and linked, TRT 3's Battery status will be displayed
for 3 seconds, then -
• the display will then revert to Surface Mode.
• If a TRT is not active and linked, the message NOT AvAil
(not available) will be displayed (Fig. 6B).
Fig. 5 - ZEN AIR BATT GOOD
Fig. 6B - TRT NOT REPORTING
Fig. 6A - TRT BATT LOW