Icom ic-U80 Instruction Manual

Also see for IC-U80: Instruction manual Quick guide

10 SET MODESD Microphone simple modeMicrophone simple mode is used to assign the essential opera-tions to the four switches (S1 to S4) on a user supplied remotecontrol unit.• mS .SmS1 Selects the Call channel.S2 Turns the Monitor function ON or OFF.S3 Selects memory channel 0.S4 Selects memory channel 1.• mS .n1 (default)S1 Toggles the VFO mode and the memory mode.S2 Selects the Call channel.S3 Frequency or memory channel ‘UP.’S4 Frequency or memory channel ‘DOWN.’• mS .n2S1 Toggles the VFO mode and the memory mode.S2 Turns the Monitor function ON or OFF.S3 Frequency or memory channel ‘UP.’S4 Frequency or memory channel ‘DOWN.’The VFO mode cannot be selected via the remote controlunit when “mS .Sm” is selected.• User remote control unitThe circuit below is for reference only.2.7kW 6.8kW 15kW 33kW+–S1 S2 S3 S4to the [SP] jackGNDSPREMOTERated input 700 mW (8 W)EXTERNAL SPEAKER3.5(d) mm>‗D Voltage displayThe voltage of the battery is displayed at power ON. Thisdisplay can be turned ON or OFF.• VLt.OF : The battery voltage display is skipped.• VLt.On : The battery voltage is displayed at power ON. (default)48