15
6
SET MODE
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).