Icom IC-F21GM instruction manual Setting the SIMPLEX/DUPLEX Operation

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2 CHAPTER CONTINUED

DSELECTING RF OUTPUT POWER

The transceiver has 3 output power levels to suit your operating re- quirements. Low out put power settings during short-distance com- munications may reduce the possibility of interference to other stations, and will reduce current consumption.

qWhile pushing and holding [PTT], [MONI], turn [OFF/VOL] to power ON.

wPush [MONI] to toggle between Low1 (1 W ; Pi), Low2 (2 W ; PiPi) and High (4 W ; PiPiPi).

eTurn the power OFF, and then ON again.

DSETTING THE SIMPLEX/DUPLEX OPERATION

The Simplex/Duplex function changes duplex channels to simplex channels.

qWhile pushing and holding [PTT], [MONI], turn [OFF/VOL] to

power ON.

wTurn CH selector knob to select the desired channel. e Push [W/N] to turn the simplex mode ON.

A beep (Pi) is emitted.

or

ePush and hold [W/N] to turn the duplex mode ON.

A long beep (Pii) is emitted.

rTurn the power OFF, and then ON again.

NOTE: Duplex mode is available between CH 1 to CH 8. (see right.)

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Contents IF21GM Safety Training Information Electromagnetic Interference/Compatibility General Mobile Radio Service Gmrs Page Foreword Table of Contents Speaker Volume Control OFF/VOL PTT Switch PTTAntenna Connector TX/RX Indicator LED p‘ LED indicator Accessories ‘ Accessory attachmentSupplied accessories AntennaBattery Packs Battery Packs‘ Battery pack replacement ‘ Battery cautions Recycling information U.S.A. only‘ Battery charging Rapid charging with the BC-144+AD-99Check orientation and the spacer com- bination as follows Spacer combinationRapid charging with the BC-121+AD-94 #11 Regular charging with the BC-146Battery pack life ‘ Charging Note‘ Battery case Option SET Mode ‘ Set modeSetting the SIMPLEX/DUPLEX Operation Frequency channel list Rx/Tx FreqExample Ctcss tone code list FreqSetting the Ctcss Tone Frequency Push PTTExample Ctcss Find Operation ‘ Receiving and transmittingTIME-OUT Timer Power Save FunctionMonitor Audible Function Audible condition‘ Wide/Narrow selection ‘ Setting squelch level‘ Auto scan function Charger Option‘ Options Other Options MB-74BELT ClipCount on us