User's Manual

19
8
SET MODE
8
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.
• ON : The power save function is turned ON. The power save func-
tion will activate when no signal is received, and no operation
is performed for 5 sec.
• OFF: The power save function is turned OFF.
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
When error messages as shown below are displayed, see
troubleshooting for advice. (p. 28)
Push
default
bright
Push
Power save ON (default) Power save OFF
Push
Self check OFF (default) Self check ON
Temperature error Battery voltage error
IC-M90.qxd 04.8.23 3:53 PM Page 19