Icom IC-M23 Instruction Manual

Also see for IC-M23: Service manual

Icom IC-M23 Instruction Manual Manual pdf 18 page image

124 BASIC OPERATION■ Call channel programmingCall channel is used to access Channel 16 (default; may dif-fer depending on the version). However, you can programthe Call channel with your most often-used channel in eachchannel 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 changesto 2 short beeps) to enter the Callchannel 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.■ Volume Loud functionThe 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 theVolume 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 VolumeLoud function.■ Volume Mute functionThe 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 theVolume 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 VolumeMute function.