Icom IC-F8100 Instruction Manual

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312RECEIVE AND TRANSMIT1234567891011121314151617 Quick Reference■ Basic voice transmit/receiveq First, check the following.➥ Microphone and external speaker are con-nected.➥ No mute icon “S,” “L” or “V” appears.• If “S,” “L” or “V” appears, push [MUTE](M) one ormore times to turn OFF the mute.Mute iconw Push [r] or [s] to select the desired receive chan-nel.• The S-meter shows signal strength when signal is re-ceived.e Push [ +] or [ –] to adjust the needed audio levelwhen receiving a signal.• If the bass or treble of the receive audio is too strong,set “Clarifier” to ON in the User Menu, and adjust to ob-tain clear audio. (See page 15 for the Clarifier functiondetails.)• If the audio is distorted, select the suitable operatingmode. (See page 10 for the Mode selection details.)r Push [TUNER](9) once or twice to enter the an-tenna tune mode.• The “Auto Tune” or “Manual Tune” screen appears inorder.When the transceiver is connected to an optionalantenna tuner and “Auto Tune” screen is selected,push [4] to start auto tuning.• The display shows the antenna SWR.• When the tuner cannot tune the antenna, the tuning cir-cuit is automatically bypassed after 20 seconds tuning.• After tune is finished, the auto tune automatically stopstransmitting.• Push [8] to manually stop transmitting, if necessary.• Push [Through](§§) to turn OFF the AT-140 (bypass).When the transceiver is connected to an otherantenna tuner or directly connected antenna and“Manual Tune” screen is selected, push [4] to starttransmitting to tune the antenna.• The display shows the antenna SWR.• Push [8] to stop transmitting.t After tune is finished, push [TUNER](9) once ortwice to return to the normal operating screen.y To transmit on the channel, hold down [PTT] on themicrophone, and speak into the microphone at anormal voice level.• The RF meter shows the output power.u Release [PTT] to receive.