Icom IC-M90 Instruction Manual

Also see for IC-M90: Instruction manual

104 BASIC OPERATION■ Call channel programmingThe call channel switch is used to select Channel 9 by de-fault, however, you can program your most often-used chan-nel in each channel group for quick recall.q Push [CH/WX• U/I/C/L ] for 1 sec. toseveral times to select the desiredchannel group (USA, INT, CAN) tobe programmed.w Push [16• 9 ] for 1 sec. to select thecall channel.• “ C A L L” a n d c a l l c h a n n e l nu m b e rappear.e Push [16• 9 ] again for 3 sec. (untila long beep changes to 2 shor tbeeps) to enter call channel pro-gramming condition.• C a l l c h a n n e l n u m b e r t o b e p r o -grammed fl ashes.r Push [Y]/[Z] to select the desiredchannel.t Push [16• 9 ] to program the dis-played channel as the call channel.• T h e c a l l c h a n n e l n u m b e r s t o pfl ashing.■ Lock functionThis function electronically locks all switches (except for[PTT], [SQL• MONI ] and [Hi/Lo• ]) to prevent accidentalchannel changes and function access.➥ Push [Hi/Lo• ] for 1 sec. to turn the lock function ONand OFF.■ Signal strength indicatorfunctionThe received signal strength level is indicated by number ofbars as below.This indicator can be hidden by using the set mode (p. 20) ifdesired.■ Monitor functionThe monitor function releases the noise squelch mute tocheck the volume level. See p. 18 for details of the monitorswitch action.➥ Push [SQL•MONI] for 1 sec. to activate the monitor function.• “ ” appears and audio is emitted.Appears while the lockfunction is used.IndicationStrong Middle Weak No signal orvery weakSignalstrength