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SET MODE
D LCD contrast selection “LC”
The contrast of the LCD can be adjusted from 4 levels.
• 1 (bright) – 4 (dark); 3 (default)
D Auto power save function “PS”
The auto power save function reduces current drain by deac-
tivating the receiver circuit for preset intervals.
D Self check function “SC”
The self check function checks transceiver conditions by it-
self, and informs you in case a problem is found. The follow-
ing items are checked after the power is turned ON, then it
switches to operation mode.
• Temperature : Outside of –35°C to +73°C; –31°F to +163°F
(approx.)
• Connected battery voltage
• Water intrusion
When error messages as shown below are displayed, see
trouble shooting for advice (p. 28).
LCD contrast 3 (default) LCD contrast 1
PUSH
Auto power save ON
(default)
Auto power save OFF
PUSH
Temperature error Battery voltage error Water intrusion error
Self check OFF (default) Self check ON
PUSH
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