Icom IC-F21GM Instruction Manual

Contents

Icom IC-F21GM Instruction Manual Manual pdf 29 page image

225OPERATION‘‘ Setting squelch levelThe squelch circuit mutes the received audio signal depending onthe signal strength. Scan proceeds in sequence from lower channelto higher channel numbers.q While pushing [PTT] and [W/N], turn the transceiver’s power onto enter the squelch adjustment mode.w Push [MONI] to increase the squelch level (tight squelch) or[W/N] to decrease the squelch level (loose squelch).• Squelch level will be fixed after 1 sec.‘‘ Auto scan functionAuto scan function proceeds in sequence from lower channel tohigher channel numbers. Scanning searches for signals automati-cally and makes it easier to locate new stations for contact or lis-tening purpose.q Turn the CH select knob to CH 16. Scan starts automatically.• When receiving a signal, scan pauses until a signal disappears.NOTE: You can perform the scan start/stop by optional HM-75ASPEAKER-MICROPHONE’ [Mic A] key.‘‘ Wide/Narrow selectionYou can easily to toggle between wide FM mode and narrow FMmode by pushing [W/N] key.• Push [W/N]: Turns to wide FM mode.• Pushing and holding [W/N]: Turns to narrow FM mode.

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