Icom IC-F8100 Instruction Manual

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Icom IC-F8100 Instruction Manual Manual pdf 21 page image

316RECEIVE AND TRANSMIT3ï Preamp and AttenuatorThe preamp amplifies received signals in the frontend circuit to improve the S/N ratio and sensitivity.Turn ON this function to better receive weak signals.The attenuator prevents strong undesired signalsnear the desired frequency or near your location,such as from a broadcast station, from causing dis-tortion or spurious signals.[�][�]/q Hold down [MENU](HOME) for 1 second to enterthe Menu screen.w Push [r] or [s] to select the “User Menu,” andthen push [4].e Push [r] or [s] to select “Pre Amp.”r Push [t](§) or [u](§§§) to turn ON the Preamp orAttenuator function.t Push [MENU](HOME) twice to return to the nor-mal operating screen.ï Noise BlankerThe noise blanker reduces pulse-type noise such asthat generated by automobile ignition systems.The noise blanker may distort reception of strongsignals. In such cases, the noise blanker should beturned OFF.[�][�]/q Hold down [MENU](HOME) for 1 second to enterthe Menu screen.w Push [r] or [s] to select the “User Menu,” andthen push [4].e Push [r] or [s] to select “Noise Blanker.”r Push [u](§§§) to turn ON the Noise Blanker func-tion.t Push [s] to select “Blanker Level.”y Push [t](§) or [u](§§§) to adjust the noise blankerlevel.u Push [MENU](HOME) twice to return to the nor-mal operating screen.When using the noise blanker, received signalsmay be distorted if they are excessively strong.