Call Channel Programming; Volume Loud Function; Volume Mute Function - Icom IC-M23 Instruction Manual

4
BASIC OPERATION

■ Call channel programming

Call channel is used to access Channel 16 (default; may dif-
fer depending on the version). However, you can program
the Call channel with your most often-used channel in each
channel group, for quick recall.
q Hold down [CH] for 1 second, one or more times, to se-
lect the desired channel group to be programmed. (p. 9)
w Hold down [C] (16) for 1 second to select the Call chan-
nel of the selected channel group.
• "CALL" and the Call channel number appear.
e Hold down [C] (16) again for 3 sec-
onds (until a long beep changes
to 2 short beeps) to enter the Call
channel programming mode.
• The channel number starts blinking.
r Push [Y] or [Z] to select the desired channel.
t Push [C] (16) to program the dis-
played channel as the Call channel.
• The channel number stops blinking.
12

■ Volume Loud function

The Volume Loud function temporarily maximizes the vol-
ume level.
This function has no effect when the volume level is 31.
q While holding down [VOL/SQL], push [Y] to turn ON the
Volume Loud function.
• The volume level is set to the maximum level (level 31).
• The bars of the volume level icon repeatedly appear in ascend-
ing order.
w Push [VOL/SQL] and [Y] again to turn OFF the Volume
Loud function.

■ Volume Mute function

The Volume Mute function temporarily mutes the audio output.
This function has no effect when the volume level is OFF.
q While holding down [VOL/SQL], push [Z] to turn ON the
Volume Mute function.
• The volume level is set to the minimum level (OFF).
• The bars of the volume level icon blink.
w Push [VOL/SQL] and [Z] again to turn OFF the Volume
Mute function.