Icom IC-M25 - Advanced Operational Features

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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.
Lock function
This function electronically locks most keys to prevent
accidental changing of the channel and function access.
➥ Hold down [
] (Hi/Lo) for 1 second to turn the function
ON or OFF.
NOTE:
[PTT], [VOL/SQL], [MONI] (VOL/SQL) and [ ] (Hi/Lo)
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.
Repeatedly appear
in ascending order
+
Blinks
+
Appears while the Lock function is activated.
Hold down
for 1 second