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D Automatic backlighting
“bL”
This function is convenient for nighttime operation. The auto-
matic backlighting turns the backlighting ON when pushing
any key except for [PTT].
•
The backlighting is automatically turned OFF after 5 sec. of inactivity.
D LCD contrast selection “LC”
The contrast of the LCD can be adjusted from 4 levels.
• 1 (low contrast) – 4 (high contrast); 3 (default)
D Auto power save function “PS”
The power save function reduces current drain by deactivat-
ing 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 –20°C to +60°C; –4°F to +140°F)
• Connected battery voltage
• Water intrusion
When error messages as shown
below are displayed, see trouble
shooting for advice (p. 23).
Automatic backlighting ON (default)
LCD contrast (default)
Auto power save ON (default)
Self check OFF (default)
Error messages
Temperature error Battery voltage error Water intrusion error