Icom IC-A210E Instruction Manual

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194OTHER FUNCTIONS04n Intercom functionWhen two headphone and microphone jacks are connectedto the transceiver, these headsets can be used as a voice-activated intercom.q Enter to the MENU mode.• See page 20 for details.w Set Intercom Usable Setting to ON.• See page 25 for details.e Exit from the MENU mode.• See page 20 for details.r Hold down [DUAL] for 2 seconds to enable the intercomfunction.• “ICS” appears.• The headphone audio output level can be selected“OFF,” “output level fixing (001 to 080)” or “interlockingwith [VOL]” in the MENU mode (p. 21).• The microphone1 and microphone2 audio input levelscan be also selected “OFF” or “output level fixing (001 to080)” in the MENU mode (p. 21).n Squelch test functionThis function opens the squelch manually for testing.q Push [VOL] to turn the squelch test function ON.• “TEST” appears.w To turn the function OFF, repeat step q as above.• “TEST” disappears.n Frequency step settingFrequency step (8.33 kHz or 25 kHz) is selectable in themenu mode.q Enter the menu mode (See page 20 for details).w Rotate [O-DIAL] to select the “FREQ. STEP (Frequencystep).”e Rotate [DIAL] to select the desired frequency step(8.33 kHz or 25 kHz).r Push [RCL] to exit MENU mode, and returning to the pre-vious operating condition.