Volume Loud Function; Volume Mute Function; Lock Function - Icom IC-M25 Instruction Manual

4
BASIC OPERATION

Volume Loud function

You can temporary maximize the volume level with a simple
operation.
➥ While holding down [VOL/SQL], push [Y].
• The volume level is set to the maximum level.
• Push [VOL/SQL] and [Y] again to turn OFF the function.
+

Volume Mute function

You can temporary mute the audio output with a simple
operation.
➥ While holding down [VOL/SQL], push [Z].
• The volume level is set to the minimum level (OFF).
• Push [VOL/SQL] and [Z] again to turn OFF the function.
+
12
This function electronically locks most keys to prevent
accidental changing of the channel and function access.
➥ Hold down [
Appears while the Lock function is activated.
Repeatedly appear
in ascending order
Blinks

Lock function

] (Hi/Lo) for 1 second to turn the function
ON or OFF.
Hold down
for 1 second
NOTE:
[PTT], [VOL/SQL], [MONI] (VOL/SQL) and [
are not locked.
[Y] and [Z] are not locked when adjusting the volume
or squelch, or when the Volume Loud or Volume Mute
function is turned ON.
] (Hi/Lo)