Icom IC-M2A Instruction Manual page 21

D Automatic backlighting
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.
Automatic backlighting ON (default)
D LCD contrast selection
The contrast of the LCD can be adjusted from 4 levels.
• 1 (low contrast) – 4 (high contrast); 3 (default)
LCD contrast (default)
"bL"
"LC"
D Auto power save function
The power save function reduces current drain by deactivat-
ing the receiver circuit for preset intervals.
Auto power save ON (default)
D Self check function
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).
Error messages
Temperature error Battery voltage error
6
SET MODE
"PS"
"SC"
Self check OFF (default)
Water intrusion error
15