I Lock Function; Basic Operation; I Automatic Backlighting; I Monitor Function - Icom IC-M31 Instruction Manual

I Lock function

This function electronically locks all keys (except for [+]/[–],
[PTT], [SQL• ] and [H/L
MONI
channel changes and function access.
➥ Push [H/L•LOCK] for 1 sec. to turn the lock function ON
and OFF.
LOCK
Push
for 1 sec.

I Automatic backlighting

This function is convenient for nighttime operation. The auto-
matic backlighting can be activated in SET mode. (p. 18)
➥ Push any key except for [PTT] to turn the backlighting ON.
• The backlighting is automatically turned OFF after 5 sec. of in-
activity.
]) to prevent accidental
•LOCK
Appears while the
lock function is used.

I Monitor function

The monitor function releases the noise squelch mute. See
p. 18 for details of the monitor switch action.
➥ Push [SQL•
] for 1 sec. to activate the monitor func-
MONI
tion.
• " " blinks and audio is emitted.
MONI
Push
for 1 sec.

BASIC OPERATION

Blinks while the monitor
function is used.
4
4
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