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INSTRUCTION MANUAL
VHF TRANSCEIVER
iF3GT/GS
UHF TRANSCEIVER
iF4GT/GS
The photo shows
the IC-F3GT.

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Summary of Contents for Icom IC-F3GT

  • Page 1 INSTRUCTION MANUAL VHF TRANSCEIVER iF3GT/GS UHF TRANSCEIVER iF4GT/GS The photo shows the IC-F3GT.
  • Page 2: Foreword

    If disregarded, inconvenience only. No risk NOTE of personal injury, fire or electric shock. Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorpo- rated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
  • Page 3: Precautions

    Approved Icom optional equipment is designed for optimal perfor- mance when used with an Icom transceiver. Icom is not responsible for the destruction or damage to an Icom transceiver in the event the Icom transceiver is used with equip- ment that is not manufactured or approved by Icom.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS FOREWORD ..................i EXPLICIT DEFINITIONS ..............i PRECAUTIONS ................ii TABLE OF CONTENTS ..............iii 1 PANEL DESCRIPTION ............1−3 ■ Switches, controls, keys and connectors ......1 ■ Function display ..............3 2 ACCESSORIES ................4 ■ Accessory attachment............4 3 BATTERY PACKS ............. 5−10 ■...
  • Page 5 6 OTHER FUNCTIONS .............19 ■ DTMF PAGER/CODE SQUELCH ........19 7 MAINTENANCE ..............20 ■ Optional unit installation ............20 8 CLONING ................21 ■ Cloning ................21 9 OPTIONS ................. 23−24...
  • Page 6: Panel Description

    PANEL DESCRIPTION ■ Switches, controls, keys and connectors Speaker Programmable key reference S1 (Red) S2 (Black)
  • Page 7 Push to select the operating channel. y DEALER-PROGRAMMABLE KEYS [P0]/[P1]/[P2]/[P3] Can each be programmed for one of several functions by your Icom Dealer. u 10-KEY PAD (IC-F3GT/IC-F4GT only) Used to enter DTMF codes, the operating channel, etc. i ANTENNA CONNECTOR Connects the supplied antenna.
  • Page 8: Function Display

    PANEL DESCRIPTION ■ Function display e r t y u i q TRANSMIT INDICATOR Appears while transmitting. w BUSY INDICATOR Appears while receiving a signal or when the squelch is open. e LOW POWER INDICATOR (p. 12) Appears when low output power is selected. r SCRAMBLER INDICATOR Appears while the voice scrambler function is activated.
  • Page 9: Accessories

    ACCESSORIES ■ Accessory attachment D Supplied accessories The following accessories are supplied. Qty. • Battery pack ................1 • Flexible antenna ................1 • Belt clip (with screws) ..............1 • 2251 OPT sheet* ................. 1 p. 20 * See for details.
  • Page 10: Battery Packs

    BATTERY PACKS ■ Battery pack replacement Before replacing the battery pack, the volume control MUST be ro- tated fully counterclockwise, until a click is heard, to turn the power OFF. • Slide the battery release forward, then pull the battery pack up- ward with the transceiver facing away from you.
  • Page 11: Battery Cautions

    BATTERY PACKS ■ Battery cautions R DANGER! NEVER short the terminals of the battery pack (or charging terminals of the transceiver). Also, current may flow into nearby metal objects such as a necklace, so be careful when placing battery packs (or the transceiver) in handbags, etc. Simply carrying with or placing near metal objects such as a neck- lace, etc.
  • Page 12: Battery Charging

    BATTERY PACKS ■ Battery charging D Rapid charging with the BC-144N The optional BC-144N provides rapid charging of the battery pack. The following items are additionally required: • AD-99N* and an AC adapter (not supplied with some versions). *Supplied with the charger. Turn power OFF.
  • Page 13 BATTERY PACKS D Rapid charging with the BC-121N+AD-101 The optional BC-121N allows up to 6 battery packs to be charged simultaneously. The following items are additionally required. • Six AD-101 (The spacer is supplied with the AD-101.) • An AC adapter (purchase separately). Turn power OFF.
  • Page 14: Charging Caution

    BATTERY PACKS ■ Charging caution Prior to using the transceiver for the first time, the battery pack must be fully charged for optimum life and operation. • Recommended temperature range for charging: Between +10°C and +40°C. • Use the optional charger (BC-119N/BC-121N/BC-144N for rapid charging, BC-137 #11/BC-146 for regular charging) only.
  • Page 15: Battery Case (Option)

    BATTERY PACKS ■ Battery case (Option) When using the optional battery case, install 6 × AA (LR6) size alkaline batteries as illustrated below. NOTE: Output power is automatically reduced to 1 W to retains suf- ficient power in case of emergency, etc. CAUTIONS: •...
  • Page 16: Programmable Functions

    PROGRAMMABLE FUNCTIONS ■ General In the following explanations, programmable function names are bracketed, the specific switch used to activate the function depends on programming. D KEYPAD LOCK FUNCTION This function locks access to all programmable switches (except the switch assigned for the lock function). Push and hold the [LOCK] switch for 1 sec.
  • Page 17 PROGRAMMABLE FUNCTIONS D HIGH/LOW OUTPUT POWER This function selects high or low output power for a channel. Push the [HIGH/LOW] switch to toggle the transmit output power between high and low. • “LOW” appears when low output power is selected. D SCRAMBLER FUNCTION (An UT-109 #01* or UT-110 #01* is required.) This function provides higher communication security.
  • Page 18 PROGRAMMABLE FUNCTIONS D MONITOR AUDIBLE FUNCTION The monitor function allows you to open the transceiver’s squelch manually to check whether a channel is busy or not. The trans- ceiver has 2 conditions for receive standby: Audible condition: This condition mutes audio ONLY when no carrier is present.
  • Page 19 PROGRAMMABLE FUNCTIONS D DTMF TRANSMISSION This function allows you to send a pre-programmed DTMF code to control a repeater, open another transceiver’s squelch, etc. Manual transmission: Push desired digit keys in sequence while pushing [PTT]. • Pushing [PTT] may not be necessary depending on programming. Automatic pre-programmed transmission: q Push the [DTMF] switch to select DTMF autodial mode, then push [Y] or [Z] to select the desired channel.
  • Page 20: Programmable Functions

    PROGRAMMABLE FUNCTIONS D DISPLAY LIGHTING The function display has 3 backlight conditions. : No backlight. AUTO : When any key is pushed, the backlight turns ON for 5 sec. automatically. CONTINUOUS : Backlight stays ON continuously.
  • Page 21: Conventional Operation

    CONVENTIONAL OPERATION ■ Receiving and transmitting CAUTION: Transmitting without an antenna may damage the transceiver. See p. 4 for antenna attachment. Turn power ON as described on p. 2. Receiving: q Push [ ] to select a channel. w Listen for a transmission and adjust [VOL] to a comfortable lis- tening level.
  • Page 22: Call Procedure

    CONVENTIONAL OPERATION ■ Call procedure When your system employs tone signalling (excluding CTCSS and DTCS), the call procedure may be necessary prior to voice trans- mission. The tone signalling employed may be a selective calling system which allows you to call specific station(s) only and prevent unwanted stations from contacting you.
  • Page 23: Tx Code Channel Selection

    CONVENTIONAL OPERATION ■ Tx code channel selection Your radio may be programmed for Tx code channel selection. In this case, you can choose a Tx code channel to be transmitted when using the selective calling function (p. 17). Push the Tx code channel switch (assigned to one of the dealer- programmable switches) to activate the function, then enter digits via the keypad to select the desired Tx code channel.
  • Page 24: Other Functions

    OTHER FUNCTIONS ■ DTMF PAGER/CODE SQUELCH When you install optional the UT-108 DTMF DECODER UNIT into the transceiver, DTMF pager function or code squelch function will be available. D DTMF pager This function uses DTMF tones for calling and can be used as a “common pager”...
  • Page 25: Maintenance

    MAINTENANCE ■ Optional unit installation You can install an optional unit in the transceiver. q Remove the optional connector access cover (named 2251 OPT sheet). • Insert a screwdriver into the hollow of the chassis, then lift and take away the cover. (The cover can not be used again.) w Install the desired optional unit.
  • Page 26: Cloning

    CLONING ■ Cloning Cloning allows you to quickly and easily transfer the programmed contents from one transceiver to another transceiver; or data from PC to a transceiver using the optional CS-F3G cloning software D Transceiver-to-transceiver cloning q Connect the optional OPC-474 to the [SP] jack of cloning cable the master and slave transceivers.
  • Page 27 CLONING D PC-to-transceiver cloning Please refer to the HELP file that comes with the CS-F3G cloning software CAUTION: Imprudent cloning operation causes a cloning error. In such a case, memory contents may be lost. Cloning must then be repeated.
  • Page 28: Options

    OPTIONS D BATTERY PACKS • BP-208N battery case Battery case for 6 × AA (LR6) cells • BP-209N c d battery pack Voltage : 7.2 V Capability : 1100 mAh • BP-210N mh battery pack Voltage : 7.2 V Capability : 1500 mAh (minimum)/1650 mAh (typical) •...
  • Page 29 Allows you to connect a BNC-type antenna. • CS-F3G + OPC-478 CLONING SOFTWARE CLONING CABLE Allows you to clone the memory contents of an IC-F3GT/GS, IC- F4GT/GS by PC editing. • OPC-474 CLONING CABLE Cloning cable for transceiver to transceiver Some options may not be available in some countries.
  • Page 30 MEMO...
  • Page 31 MEMO...
  • Page 32 The photo shows the IC-F3GS. A-5621D-1EX-u Printed in Japan 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 1999–2010 Icom Inc.

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