INSTRUCTION MANUALUHF GMRS TRANSCEIVERiF21GMThis device complies with Part 15 of the FCC rules. Oper-ation is subject to the following two conditions:
‘‘LED indicatorThe TX/RX indicator LED indicates informa-tion in several ways as follows;(Ref.; R=Red, G=Green)PANEL DESCRIPTION13 R R R R R
2ACCESSORIES4‘‘Accessory attachmentD Supplied accessoriesThe transceiver comes supplied with the following accessories.q Flexible antennaw Belt clipD
53BATTERY PACKS‘‘Battery pack replacementBefore replacing the battery pack, the volume control MUST be ro-tated fully counterclockwise,until a click i
63BATTERY PACKS‘‘Battery cautions• CAUTION! NEVER short the terminals of the battery pack (orcharging terminals of the transceiver). Also, current may
73BATTERY PACKS‘‘Battery chargingD Rapid charging with the BC-144+AD-99The optional BC-144 provides rapid charging of optional batterypacks.The follow
83BATTERY PACKSD Rapid charging with the BC-144+AD-99DDSpacer combination.• Be sure to attach thespacer (Spacer B/C) tothe adaptor (Spacer A)with the
93BATTERY PACKSD Rapid charging with the BC-121+AD-94 (#11)The optional BC-121 allows up to 6 battery packs to be charged si-multaneously. The followi
103BATTERY PACKS‘‘Charging NOTEPrior to using the transceiver for the first time, the battery pack mustbe fully charged for optimum life and operation.
‘‘Battery case (Option)When using a BP-208 OPTIONAL BATTERY CASE attached to thetransceiver, install 6 AA (R6) size alkaline batteries as illustratedb
124SET MODE‘‘Set modeSet mode is used for programming infrequently changed values orconditions of functions.• All settings performed with [CH selector
iYour Icom radio generates RF electromagneticenergy during transmit mode. This radio is de-signed for and classified as “Occupational UseOnly”, meani
132CHAPTER CONTINUEDDDSELECTING RF OUTPUT POWERThe transceiver has 3 output power levels to suit your operating re-quirements. Low out put power setti
142CHAPTER CONTINUEDNo.12345678910111213141516Rx/Tx Freq.*1462.5500462.5750462.6000462.6250462.6500462.6750462.7000462.7250462.5625462.5875462.6125462
154SET MODEDDSETTING THE CTCSS TONE FREQUENCYThis transceiver is equipped with 52 CTCSS codes. (See right.)CTCSS operation provides communication with
164SET MODENo.0123456789101112131415Freq.*OFF67.069.371.071.974.477.079.782.585.488.591.594.897.4100.0103.5No.16171819202122232425262728293031Freq.*10
174SET MODEDDSETTING THE CTCSS TONE FREQUENCY (continued)• CTCSS confirmation beep ●; Single beep; Long beepPush [PTT]no1 (Once)2 (Twice)3 (Third)4 (Fo
• DTCS code list4SET MODE18023025026031032043047051054065071072073074114115116125131132134143152155156162165172174205223226243244245251261263265271306
194SET MODEDDCTCSS FINDThis transceiver can detect the CTCSS tone frequency in the re-ceived signal. By monitoring a signal that is being transmitted
205OPERATION‘‘Receiving and transmittingNOTE: Transmitting without an antenna may damage the trans-ceiver. See p.4 for antenna attachment.Turn power O
OPERATION215DDMONITOR AUDIBLE FUNCTIONThe monitor function allows you to open the transceiver’s squelchmanually to check whether a channel is busy or
225OPERATION‘‘Setting squelch levelThe squelch circuit mutes the received audio signal depending onthe signal strength. Scan proceeds in sequence from
iithis radio by the manufacturer or an antenna specifically authorizedby the manufacturer for use with this radio.• DO NOT transmit for more than 50% o
236OPTION‘‘OptionsDDBATTERY PACKS• BP-208 BATTERY CASEAllows a set of Alkaline batteries to operate the handheld whencharging the rechargeable battery
246OPTIONDDOTHER OPTIONS• HM-46L/HM-75A/HM-131L SPEAKER-MICROPHONESCombination speaker-microphone that provides convenient oper-ation while hanging th
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 JapanA-6023D-1GM-qPrinted in Japan© 2001 Icom Inc.Count on us!
iiiYour Icom F21GM operates on GMRS frequencies (Plus 7channels shared with FRS ).GENERAL MOBILE RADIO SERVICE (GMRS)GMRS is a two-way personal radio
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vFOREWORDThank you for purchasing the IC-F21GM FM transceiver. READ ALL INSTRUCTIONS carefully and completely before usingthe transceiver.SAVE THIS IN
viTABLE OF CONTENTSSAFETY TRAINING INFORMATION . . . . . . . . . . . . . . . . . . . .i-iiABOUT GMRS . . . . . . . . . . . . . . . . . . . . . . . .
1PANEL DESCRIPTION1‘‘Switches, controls, keys and connectors yuSpeakerMicwertqiSPMICCH1↔CH16Mic UPMic AMic DownMic B• HM-75A (OPTION)
Mic Up Push and hold to open the noise/tone squelch.Mic Down Same as [W/N] key. (p. 22)Mic A Push to start/stop scan function. (P. 22)Mic B Push sever
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