Icom IC-A220 Instruction Manual

Also see for IC-A220: Service manual Instruction manual Installation guide Installation manual Installation guide

62BASIC OPERATION02You can also directly set the frequency.q Hold down [ ] for 2 seconds to enter the directfrequency setting mode.• Only the active frequency is displayed.w Set an operating frequency.• Rotate [O-DIAL] to set above 1 MHzdigit.• Rotate [DIAL] to set below 100 kHz digit.• You can set the frequency step in the Settings menu. (p. 20)e When a signal is received, “RX” isdisplayed and audio is heard.• Rotate [VOL] to adjust the audio level.• Adjust the squelch if necessary. See ‘Squelch settings’ fordetails.r Hold down PTT switch, and thenspeak at your normal voice level.• “TX” is displayed.• DO NOT hold the microphone too closely to your mouth orspeak too loudly. This may distort your signal.t Release the PTT switch to receive.y Push [RCL] or [ ] to exit the direct frequency settingmode.■ Directly setting the frequency ■ Squelch settingsD Adjusting the squelchAdjust the squelch to mute the noise when no signal isreceived.q Hold down [VOL] for two seconds to enter the AMsquelch level setting menu.• “SQL LEVEL” is displayed.w Rotate [DIAL] to select the squelch level to between –10and 10.e Push [RCL] to exit AM squelch level setting menu.D Changing the squelch modeYou can change the squelch mode when the Auto squelch“AUTO SQL” item in the Configuration menu (p. 21) is set to“USER SET.”q Push [VOL] to turn ON the squelchtest function.• “RX” and “ TEST” are displayed.• The squelch mode readout “MN” or “AU” blinks.w Push [VOL] again while the squelchmode readout is blinking to changethe squelch mode.• “RX” and “ TEST” disappear and the squelch test function isturned OFF.• MN (manual): Uses the squelch level set in “SQL LEVEL.”• AU (auto): Prevents the audio from breaking up whilereceiving weak signals.e Repeat q–w to change the squelch mode again.121.80121.80RX121.80TX127.005122.00RX MEMORYTESTMN127.005122.00 MEMORYAU