ICOM orporated 236702 VHF FM Repeater, Model ICFR3000 User Manual IC FR3000 FR4000

ICOM Incorporated VHF FM Repeater, Model ICFR3000 IC FR3000 FR4000

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236702 User Manual

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INSTRUCTION MANUALVHF FM REPEATERiFR3000UHF FM REPEATERiFR4000

iiFor U.S.A.This equipment complies with the Federal Communi-cations Commission (FCC) rules and regulations gov-erning telephone equipment and the TechnicalRequirements for Connection to the Telephone Net-work published by the industry’s Administrative Councilfor Terminal Attachments (ACTA). On the right side ofthis equipment is a label that contains, among other in-formation, a product identifier in the formatUS:ICMOT03BIC-FR4000. If requested, this numbermust be provided to the telephone company.The applicable certiﬁcation jack (connector) USOC-RJ-11C is used for this equipment.This device can only be connected to the PublicSwitched Telephone Network (PSTN) using a tele-phone cord and modular plug that is compliant with thecriteria adopted by the ACTA. This equipment is de-signed for connection to the telephone network orpremises wiring using a compatible modular jack thatis also compliant.The Ringer Equivalence Number (or REN) is used todetermine the number of devices that may be con-nected to a telephone line. Excessive RENs on a tele-phone line may result in the devices not ringing inresponse to an incoming call. In most, but not allareas, the sum of RENs should not exceed ﬁve (5.0).To be certain of the number of devices that may beconnected to a line, as determined by the total RENs,contact the local telephone company. The REN for thisproduct is printed on the product identiﬁer labelCAUTION: If this equipment is deemed potentiallyharmful to the telephone network, the telephone com-pany will attempt to notify you in advance of discontin-uing service. If advance notice is not practical, thetelephone company will notify you as soon as possi-ble. If service is disconnected, you will be advised ofyour right to ﬁle a complaint with the Federal Commu-nications Commission (FCC) should you believe it nec-essary.The telephone company may make changes in its fa-cilities, equipment, operations or procedures that couldaffect the operation of this equipment. Should thisoccur, advance notice you be provided in order for youto make necessary modiﬁcations to maintain uninter-rupted service.Should you experience trouble with this equipment,please contact: ICOM America, Technical Support at425-454-7619 for repair or warranty information. If theequipment is causing harm to the telephone network,the telephone company may request that you discon-nect the equipment until the problem is resolved.There are no user serviceable parts for a telephone cir-cuit inside of this IC-FR3000 or IC-FR4000.NOTICE: Connection to party line service is subject tostate tariffs. Contact the state public utility commission,public service commission or corporation commissionfor information.If your home has specially wired alarm equipment con-nected to the telephone line, ensure the installation ofthis IC-FR3000 or IC-FR4000 does not disable youralarm equipment. If you have questions about what willdisable alarm equipment, consult your telephone com-pany or a qualiﬁed installer.For CANADANOTICE: This equipment meets the applicable Indus-try Canada Terminal Equipment Technical Specifica-tions. This is confirmed by the registration number.The abbreviation, IC, before the registration numbersignifies that registration was performed based on aDeclaration of Conformity indicating that IndustryCanada technical speciﬁcations were met. It does notimply that Industry Canada approved the equipment.NOTICE: The Ringer Equivalence Number (REN) forthis terminal equipment is 0.3. The REN assigned toeach terminal equipment provides an indication of themaximum number of terminals allowed to be con-nected to a telephone interface. The termination on aninterface may consist of any combination of devicessubject only to the requirement that the sum of theRinger Equivalence Numbers of all the devices doesnot exceed ﬁve.DECLARATION OF CONFORMITY

iiiFORWARDThank you for purchasing this Icom product. The IC-FR3000/FR4000 VHF/UHF FM REPEATERis designedand built with Icom’s state of the art technology andcraftsmanship. With proper care, this product shouldprovide you years of trouble-free operation.We want to take a couple of moments of your time tothank you for making the IC-FR3000/FR4000 your re-peater of choice, and hope you agree with Icom’s phi-losophy of “technology ﬁrst.” Many hours of researchand development went into the design of your IC-FR3000/FR4000 series.DFEATURES❍50 W continuous full duty cycle operationThis repeater looks as good as it performs. A ruggedheatsink, large cooling fans and a high performancepower module provide the repeater with a stable50 W at full duty cycle operation.❍Automatic battery backup systemA built-in backup system supports automatic switch-ing to an external power supply (13.6 V DC) if theAC power supply fails.❍Multiple CTCSS & DTCS tone memorieswith multiple memory channelsUp to 16 CTCSS/DTCS tones (TX/RX tones respec-tively) can be programmed in a channel. This fea-ture allows you to share a channel with multiple usergroups. You can also give priority/exclusive use to aspecified group simply by programming differenttones to another memory channel. Ideal for manydifferent applications.❍Built-in 2-Tone, 5-Tone, DTMF encoder &decoderMultiple signaling systems are equipped as stan-dard. These systems are fully compatible with IcomF-series radios.❍Telephone interconnect capability❍DTMF remote control capabilityYou can control the repeater from a remote locationover the air or over a phone line with DTMF.❍Other features- PC programmable- Wall or 19 inch rack mount (optional MB-77/MB-78)- Optional Voice Scrambler Unit (UT-109 #01/UT-110#01) for base operating modeSUPPLIED ACCESSORIESThe following accessories are supplied with IC-FR3000/FR4000 series[AC120V version]qAC power cable (OPC-510) ……………………… 1wSpare fuses (FGB 1 A) …………………………… 1eSpare fuses (ATC 20)……………………………… 2[AC220V version]qAC power cable (OPC-492) ……………………… 1wSpare fuses (FGB 1 A) …………………………… 1eSpare fuses (ATC 20)……………………………… 2qweqwe

ivIMPORTANT ............................................................ iEXPLICIT DEFINITIONS ......................................... iPRECAUTION ......................................................... iDECLARATION OF CONFORMITY ....................... iiFORWARD ............................................................. iiiSUPPLIED ACCESSORIES .................................. iiiTABLE OF CONTENTS ......................................... iv1 PANEL DESCRIPTION ......................... 1 –4■Front panel .................................................... 1■Rear panel ..................................................... 2DRemote connector...................................... 3DAccessory connector.................................. 32 INSTALLATION AND CONNECTIONS .................................. 5 –10■Unpacking ..................................................... 5■Selecting a location ....................................... 5■Antenna connection ....................................... 5■Duplexer ........................................................ 5■Grounding ...................................................... 5■Required connections .................................... 6■Advanced connections .................................. 7■Power ............................................................ 8DIn AC operation .......................................... 8DIn DC operation.......................................... 8■Mounting the repeater ................................... 8DUsing the optional MB-78........................... 8DUsing the optional MB-77......................... 103 OPTIONAL UNIT INSTALLATION ...........11■Opening the repeater’s case ....................... 11■Voice scrambler unit installation .................. 114 OPERATION ............................................ 12■Turning power ON ....................................... 12■Receiving and transmitting .......................... 12DReceiving ................................................. 12DTransmitting ............................................. 125 MAINTENANCE ................................ 13–14■Troubleshooting ........................................... 13■Fuse replacement ........................................ 146 SPECIFICATIONS AND OPTIONS ... 15–16■Speciﬁcations .............................................. 15DIC-FR3000 ............................................... 15DIC-FR4000 ............................................... 15■Options ........................................................ 16TABLE OF CONTENTS

1PANEL DESCRIPTION1■Front panelqPOWER SWITCH [POWER]Toggles to turn the repeater power ON or OFF.wMICROPHONE/SPEAKER CONNECTOR [MIC/SP]This 8-pin modular jack accepts the optional micro-phone.q+9 V DC output (Max. 10 mA)wI/O port for PC programmingeNCrM PTT (Input port for TX control)tMicrophone groundyMicrophone inputuGroundiM MONI (Input port for monitor control)eLINE CONNECTOR [LINE]This 4-pin modular jack accepts to connect to 2 wiresystem telephone cable.• See p. 7 for line connector information.rVOLUME CONTROL [VOLUME] (p. 12)Adjusts the audio output level.tSQUELCH CONTROL [SQUELCH]➥While in base operating mode, adjusts thesquelch threshold level. (p. 12)➥While in repeater operating mode, this knob is notactivate.yCHANNEL SELECT SWITCHES [DN/UP]Push either switch to select the operating channel.uMONITOR SWITCH [MONI]➥Push to monitor the operating frequency.iMODE SELECT SWITCH [RPT/BASE]Toggles the repeater or base operating mode whenpushed.• When setting up a repeater system using IC-FR3000/FR4000 only, select a repeater operating mode.• When using IC-FR3000/FR4000 as full (or half) duplextransceiver or setting up a repeater system connectingan external controller, select a base operating mode.oREMOTE CONTROL SWITCH [REMOTE]Toggles to activate or inactivate the remote controloperation when pushed.!0 AF MUTE CONTROL [SP MUTE]Mutes the audio output.!1 INTERNAL SPEAKERMonitors received signals.!2 BASE OPERATING MODE INDICATORLights green while in base operating mode.!3 REMOTE CONTROL MODE INDICATORLights green while in remote control operation.!4 TRANSMIT INDICATORLights red while transmitting.!5 BUSY INDICATORLights green while receiving a signal or when thenoise squelch is open.qiqwe t y u i o !0!2 !1!3!4!5!6!7!8!9rFunction display (p. 2)

21PANEL DESCRIPTION!6 ANI CLEAR SWITCH [ANI CLR]Push for 1 sec. to clear the received ANI ID indica-tion on the display and returns to original indication.NOTE: This switch is no function available for someversions.!7 DEALER-PROGRAMMABLE SWITCH [PROG]Toggles the pre-programmed function ON or OFFwhen pushed.!8 PROGRAMMED FUNCTION INDICATORLights green while pre-programmed function is acti-vated.!9 DC INDICATORLights green when in DC operation.DDFunction displayqMEMORY CHANNEL INDICATORShows the selected memory channel.wTRANSMIT POWER INDICATOR Shows the output power level.eAUDIBLE INDICATOR “@” appears in an audible condition, disappears inan inaudible condition. (When an audible condition,audio mute is cancelled.)rALPHANUMERIC INDICATORSShows the variety text or code information.32HH@HICOMHINC.qwer■Rear panelqTRANSMIT ANTENNA CONNECTOR [TX/TX•RX]➥Connects a transmit antenna (impedance: 50 Ω)and outputs transmit signals.➥When installing an optional internal duplexer(supplied by third party), this connects the trans-mit receive to an antenna. wEXTERNAL SPEAKER CONNECTOR [EXT SP]Accepts a 4 Ωexternal speaker.eREMOTE CONNECTOR [REMOTE]Connects to the remote controller.• See p. 3 for remote connector information.rACCESSORY CONNECTOR [ACC]Connects to the remote controller.• See pgs. 3, 4 for accessory connector information.tRECEIVE ANTENNA CONNECTOR [RX]➥Connects a receive antenna (impedance: 50 Ω)and inputs receiving signals.➥When installing an internal duplexer (supplied bythird party), do not use this connector.yAC POWER SOCKET [AC]Connects the supplied AC power cable to a domes-tic AC outlet.uGROUND TERMINAL [GND]Ground the repeater through this terminal to preventelectric shocks, TVI, BCI and other problems.iDC POWER INPUT TERMINALS [BATTERY]Connects the 12 V storage battery for the repeaterbackup when the AC power is interrupted. Theseterminals are also used for DC power operation.CAUTION: NEVER short the (+) line of the DCpower cable to repeater’s chassis, when connectingDC power cable to the [BATTERY] terminals. Oth-erwise, there is danger of electric shock and/orequipment damage.TX/TX•RXEXT SP REMOTEACC RXGNDACBATTERYq e r t y uiw

31PANEL DESCRIPTIONDRemote connectorPin No. Pin Name Description Speciﬁcation12345678–PTT+PTT–AFOUT+AFOUT–EXTMOD+EXTMOD–BUSY+BUSYInput terminals to transmit the repeater in rela-tion to the external equipment. An opto-isolatoris provided to facilitate PTT signals.Output terminal for AF signals from the AF de-tector circuit via the bandpass ﬁlter. Output levelis ﬁxed, regardless of [AF] control.Input terminal for the modulation circuit.Output terminal for squelch condition(Open/Close). An opto-isolator is provided to fa-cilitate BUSY signals.High voltage=PTT ON (transmits)Hi-Z=PTT OFFOutput impedance: 600 ΩInput impedance: 600 ΩOpen collector=BUSY OFF0 V=BUSY ON (Squelch is opened)qiDAccessory connectorPin No. Pin Name Description Speciﬁcation1234567891011121314BUSY OUTCOAXIAL SWM/S IND1D3EXT RPT/BASEEXT MONIEXT DTCSEXTMOD IN BEXTMOD IN AAF OUTDISC OUT+15VTX OUTOutput terminal for busy signal.Output terminal for coaxial switching (antenna switching)signal.Input terminal for master/slave signal.Input terminal for selecting memory channel.Input terminal for selecting memory channel.Input terminal for repeater/base operating mode switchingsignal.Input terminal for monitor function.Input terminal for continuous tone (CTCSS/DTCS) signal.Input terminal for the modulation signals applied to input ofthe splutter ﬁlter circuit.Input terminal for the modulation signal applied to input ofthe pre-emphasis circuit via the bandpass ﬁlter.Output terminal for AF signals from the AF detector circuitvia the bandpass ﬁlter. Output level is ﬁxed, regardless of[AF] control.Output terminal for AF signals from the AF detector circuit.Output level is ﬁxed, regardless of [AF] control.Output terminal for +15V DC while in AC operation. (While inDC operation, same as input DC.)Output terminal for transmission state.Open collector=OFF, 0 V=ONOpen collector=OFF0 V=ON+5 V pull up, Active=L+5 V pull up, Active=L+5 V pull up, Active=L+5 V pull upActive=L+5 V pull up, Active=LInput impedance: 100 kΩ(approx.)Input impedance: 600 Ω(approx.)Input impedance: 600 Ω(approx.)Output impedance: 1 kΩ(approx.)Output impedance: 1 kΩ(approx.)Output current: Less than 1 AOpen collector=OFF, 0 V=ONq!3!4@5

41PANEL DESCRIPTIONChannel D4 D3 D2 D1 D0(pin 18) (pin 5) (pin 17) (pin 4) (pin16)1 000002 000013 000104 000115 001006 001017 001108 001119 0100010 0 1 0 0 111 0 1 0 1 012 0 1 0 1 113 0 1 1 0 014 0 1 1 0 115 0 1 1 1 016 0 1 1 1 1Channel D4 D3 D2 D1 D0(pin 18) (pin 5) (pin 17) (pin 4) (pin16)17 1 0 0 0 018 1 0 0 0 119 1 0 0 1 020 1 0 0 1 121 1 0 1 0 022 1 0 1 0 123 1 0 1 1 024 1 0 1 1 125 1 1 0 0 026 1 1 0 0 127 1 1 0 1 028 1 1 0 1 129 1 1 1 0 030 1 1 1 0 131 1 1 1 1 032 1 1 1 1 1Accessory connector (continued)Pin No. Pin Name Description Speciﬁcation15161718192021–2425M/S OUTD0D2D4EXT PTTRSSIAGNDDC GNDOutput terminal for master/slave signal.Input terminal for selecting memory channel.Input terminal for selecting memory channel.Input terminal for selecting memory channel.Input terminal for PTT signal.Output terminal for RSSI (Received Signal Strength Indica-tor) signal.Analog groundGround for +15 V DCOpen collector=OFF, 0V=ON+5 V pull up, Active=L+5 V pull up, Active=L+5 V pull up, Active=L+5 V pull up, Active=LOutput impedance: 1 kΩ(approx.)• Pin 4, pin 5, pins 16–18 select one of the 32 pre-programmed memory channels. (see table below)[0]: Hi-Z, [1]: 0 V (D0–D4: +5 V pull up)

25INSTALLATION AND CONNECTIONS■UnpackingAfter unpacking, immediately report any damage to thedelivering carrier or dealer. Keep the shipping cartons.For a description and a diagram of accessory equip-ment included with the IC-FR3000/FR4000 series, see‘Supplied accessories’ on p. iii of this manual.■Selecting a locationSelect a location for the repeater that allows adequateair circulation, free from extreme heat, cold, or vibra-tions, and away from TV sets, TV antenna elements,radios and other electromagnetic sources.■Antenna connectionFor radio communications, the antenna is of critical im-portance, along with output power and sensitivity. Se-lect antenna(s), such as a well-matched 50 Ωantenna,and feedline. 1.5:1 or better of Voltage Standing WaveRatio (VSWR) is recommended for desired band. Ofcourse, the transmission line should be a coaxialcable.CAUTION: Protect repeater from lightning by usinga lightning arrestor.NOTE: There are many publications coveringproper antennas and their installation. Check withyour local dealer for more information and recom-mendations.■DuplexerA duplexer is separately required when only one an-tenna is used for both transmitting and receiving. Se-lect a duplexer according to the transmitting and re-ceiving frequencies. Ask your Dealer for details.■GroundingTo prevent electrical shock, television interference(TVI), broadcast interference (BCI) and other prob-lems, ground the transceiver through the [GND] termi-nal on the rear panel.For best results, connect a heavy gauge wire or strapto a long earth-sunk copper rod. Make the distance be-tween the [GND] terminal and ground as short as pos-sible.RRWARNING: NEVER connect the [GND] termi-nal to a gas or electric pipe, since the connectioncould cause an explosion or electric shock.TX/TX•RXEXT SP REMOTEACC RXGNDACBATTERYTYPE-N CONNECTOR INSTALLATION EXAMPLE30 mm ≈9⁄8in 10 mm ≈3⁄8in 1–2 mm ≈1⁄16 inSlide the nut, flat washer, rubber gasket and clamp over the coaxial cable, then cut the end of the cable evenly.Strip the cable and fold the braid back over the clamp.Soft solder the center conductor. Install the center conductor pin and solder it.Carefully slide the plug body into place aligning the center conductor pin on the cable. Tighten the nut onto the plug body.qwer15 mm3 mm 6 mmNo spaceSolder holeBe sure the center conductor is the same height as the plug body.Clamp CenterconductorWasherNut Rubber gasket

62INSTALLATION AND CONNECTIONSTX/TX•RXEXT SP REMOTEACC RXGNDACBATTERY[TX(TX•RX) ANT] (p. 5) [RX ANT] (p. 5)TX•RX antenna required for installing an internal duplexer.GROUND (p. 5)[DC POWER INPUT TERMINAL] (p. 8)12 Vbattery SuppliedDC power cable+ red_ black CrimpSolderSM-25 DESKTOP MICROPHONE (optional)MICROPHONE CONNECTOR (Front panel view)HM-100N/TN HAND MICROPHONE(optional) q +9 V DC output (Max. 10 mA)w I/O port for PC programminge NCr M PTT (Input port for TX control)t Microphone groundy Microphone inputu Groundi M MONI (Input port for monitor control)qiCAUTION: DO NOT short pin 1 to ground as this can damage the internal 9 V regulator. DC voltage is applied to pin 1 for microphone operation. Take care when using a non-Icom microphone.Make sure the back up battery is correctly connected. Use a cable with following current capacity. Solder or clamp the cable lug when connecting the power cable to the backup battery to prevent voltage drops.Power cable current capacity: 25 A or more■Required connections

72INSTALLATION AND CONNECTIONSTX/TX•RXEXT SP REMOTEACC RXGNDACBATTERYEXTERNAL SPEAKERsp-7icomUse a 4 Ω speaker.[REMOTE] (p. 3) ACC CONNECTOR (pgs. 3, 4)Used for external equipment control.Used for external equipment control.LINE CONNECTOR (Front panel view)q NC (No connection)w L1 input/outpute L2 input/outputr NC (No connection)qrTEL* This illustration is example only.Telephone connector type is different for some countries.■Advanced connections

82INSTALLATION AND CONNECTIONS■PowerMake sure the [POWER] switch is turned OFF whenconnecting an AC power cable and a backup battery(emergency power supply).The IC-FR3000/FR4000 series can operate with an ACor DC power supply. If AC power is interrupted whenoperating the repeater with an AC power supply, poweris automatically provided to the [BATTERY] terminals.NOTE: When repeat to turn the repeater ON andOFF quickly, the repeater may not turn ON. In thiscase turn OFF the power switch and wait for awhile, then turning power ON again.DIn AC operation• The [DC] indicator turns OFF.• Use the supplied AC power cable for connection to adomestic AC outlet.• Extension cords should not be used unless ab-solutely necessary. Using improper extension cordscould result in ﬁre risk.• Usually the battery is continuously charged with asmall amount of current from an AC power supplythrough the regulator circuit in the repeater. Dis-charging is therefore prevented even if the battery isnot used for a long time.DIn DC operationCAUTION: Voltages greater than 16 V DC will dam-age the repeater. Check the source voltage beforeconnecting the power cable.• The [DC] indicator lights up green.• DO NOT place the backup battery on or near the re-peater. Lead-acid batteries should be placed at least5 m (16.4 ft.) away from the repeater. Use a heavyduty cable to make the connection and be sure boththe positive (red) and negative (black) terminals arecorrectly connected.• When connecting to the battery, keep in order to con-nect the DC power cable to the repeater first, thenthe positive (red) terminal and negative (black) termi-nal to the battery to prevent an electric shock.• After the battery is connected and the [POWER]switch is ON, the repeater continuously supplies ap-prox. 1 A for charging the battery. If the repeaterstops functioning while connected to the battery, dis-connect the battery, recharge it, then connect the bat-tery to continue operation after the battery is charged.During repeater transmission, approx. 17 A of batterypower is consumed.■Mounting the repeaterDUsing the optional MB-78An optional MB-78 19 INCH RACK MOUNT BRACKETisavailable for mounting the repeater into a 19 inch rack.The MB-78 can install the repeater’s bottom side andtop side.• Bottom side installationqRemove the 2 screws (M4 ×8) from both side of theside panel (front-end).wAttach the MB-78 to the bottom side of the repeater.eTighten the 1 supplied screws (M4 ×8) and 2 re-moved screws to each side. (6 screws at total)rThe completed bottom side installation should looklike below.

92INSTALLATION AND CONNECTIONS• Top side installationqRemove the 1 screw (M4 ×8) from both side of theMB-78. wRemove the handles from bottom bar. And turn thehandles upside down, then replace the handlesright side and left side.eAttach the handles to the bar, then tighten thescrews.rThe completed MB-78 should look like below.tRemove the 2 screws (M4 ×8) from both side ofthe side panel (front-end).yAttach the MB-78 to the top side of the repeater.Then tighten the 1 supplied screws (M4 ×8) and 2removed screws to each side. (6 screws at total)uThe top side installation should look like below.iTurn the repeater upside down, then removing the4 legs for mounting the 19 inch rack.

102INSTALLATION AND CONNECTIONSDUsing the optional MB-77An optional MB-77 WALL MOUNT BRACKETis availablefor mounting the repeater to a ﬂat surface.RWARNING: NEVER mount the repeater on theMB-77 by yourself. At least two people are requiredto mount the repeater since it weights approx. 12kg (26 lb).•Mount the MB-77 securely with the 12 suppliedscrews (M6 ×30) to a surface which is more than 50mm thick and can support more than 20 kg. The unitmust be mounted on a ﬂat hard surface only.qAttach the hinges at right side of the repeater asshown below.wTighten the 2 supplied screws (M5 ×12) for each.ePut the MB-77 on the wall (or wherever you plan tomount the repeater).rTighten the 12 supplied screws (M6 ×30) using ﬂatwashers and spring washers.NOTE: Put this way to repeater’s front panel will bebottom side.tAttach the hinges with repeater to MB-77 andtighten the 4 supplied screws (M5 ×10) and 2 nuts(with spring washer).yTighten the 3 supplied screws (M5 ×12) to otherside.• For setting up the repeater with MB-77qRemove the 3 screws (M5 ×12) at left side of theMB-77 when repeater’s front panel is bottom side.wPull the left side of the repeater.eRemove the screws and open the bottom cover ortop cover of the repeater, then set the repeater up.rReturn the top or bottom cover of the repeater andMB-77 to their original positions.TOP VIEWWall

311OPTIONAL UNIT INSTALLATION■Opening the repeater’s caseFollow the case and cover opening procedures shownhere when an optional unit is installed or adjust the in-ternal units, etc.CAUTION: DISCONNECT the AC power cableand/or DC power cable from the repeater. Other-wise, there is danger of electric shock and/or equip-ment damage.qRemove 6 screws from the top of the repeater and4 screws from the sides, then lift up the top cover.wTurn the repeater upside down.eRemove 6 screws from the bottom of the repeater,and 4 screws from the sides, then lift up the bot-tom cover.■Voice scrambler unitinstallationThe UT-109 (#01)/UT-110 (#01) provides high perfor-mance private communication for base operatingmode. In order to receive or send scrambled trans-missions, the UT-109 (#01)/UT-110 (#01) must be in-stalled and to activate the scrambler function.qRemove the top and bottom covers as shownabove.wRemove 8 screws from the LOGIC shielding plate,then remove the plate.eCut the pattern on the PCB at the RX AF circuit(CP1) and TX mic circuit (CP2) on the LOGIC unitas shown at right.rTurn the repeater upside down, then install thescrambler unit as shown below.tReturn the LOGIC shielding plate, top and bottomcovers to their original positions.NOTE: Be sure to re-solder above disconnected points, otherwise no TX modulation or AF output is available when you remove the scrambler unit.

412OPERATION■Turning power ONqPush [POWER] to turn power ON.wIf the repeater is programmed for a power on pass-word by an Icom Dealer, input digit codes directly.• The keys in the table below can be used for passwordinput.• The repeater detects numbers in the same block asidentical. Therefore “01234” and “56789” are the same.eWhen the “PASSWORD” indication does not clearafter inputting 4 digits, the input code number maybe incorrect. Turn power off and start over in thiscase.■Receiving and transmittingDReceivingqPush [POWER] to turn power ON.wSet the audio and squelch levels.➥Rotate [SQUELCH] fully counterclockwise in ad-vance.➥Rotate [VOLUME] to adjust the audio output level.➥Rotate [SQUELCH] clockwise until the noise dis-appears.ePush [UP] or [DN] to select the desired channel.•When receiving a signal, BUSY indicator turns ON andaudio is emitted from the speaker.•Further adjustment of [VOLUME] to a comfortable listen-ing level may be necessary at this point.DTransmittingqTake the microphone off hook.wWait for the channel to become clear.ePush and hold [PTT] to transmit, then speak into themicrophone at your normal voice level.rRelease [PTT] to receive.IMPORTANT:To maximize the readability of the transmitted signal: (1) Pause brieﬂy after pushing [PTT].(2) Hold the microphone 1 to 2 inch (2.5 to 5 cm) fromyour mouth, then speak into the microphone at anormal voice level.KEY[DN] [UP] [MONI][RPT/BASE][REMOTE]NUMBER 012 3 4567 8 9

513MAINTENANCEPROBLEM POSSIBLE CAUSE SOLUTION REF.■TroubleshootingThe following chart is designed to help correct prob-lems which are not equipment malfunctions.If you are unable to locate the cause of a problem orsolve it through the use of this chart, contact the near-est Icom Dealer or Service Center.Power does not come onwhen [POWER] switch isON.No sounds from thespeaker.Sensitivity is low andonly strong signals areaudible.Received signal cannotbe understood.Output power is too low.No contact possible withanother station.<DC operation>• DC power cable is improperly connected.<AC/DC common>• Fuse is blown.• Volume level is too low.• The squelch is closed.• The audio mute function is activated.•A selective call or squelch function is acti-vated such as 2/5 tone call or tone squelch.• While in base operating mode, the repeateris in the transmitting condition.• Antenna feedline or the antenna connectorhas a poor contact or short-circuited.• Optional voice scrambler is turned OFF.• Scrambler code is not set correctly.• Output power is set to Low.• The other station is using tone squelch.• While in base operating mode, the repeateris set to duplex.• Re-connect the DC power cable correctly.• Check the cause, then replace the fuse witha spare one. (Fuses are installed in the inter-nal REG unit and LOGIC unit.)• Rotate [VOLUME] clockwise to obtain a suit-able listening level.•While in base operating mode, rotate[SQUELCH] to counterclockwise to open thesquelch.• Push [SP MUTE] to the audio mute functionOFF• Turn the appropriate function OFF.• Push [PTT] on the microphone to receive orcheck the PTT line of an external unit, if con-nected.•Check and re-connect (or replace if neces-sary), the antenna feedline or antenna con-nector.• Turn the optional voice scrambler ON.• Reset the scrambler code.•Push channel selector to select the highpower operating channel.• Turn the tone squelch function ON.•Set the repeater to simplex, when othertransceiver is set to simplex.p. 6p. 14p. 12p. 12p. 1––p. 5––p. 1––

145MAINTENANCE■Fuse replacementIf a fuse blows or the repeater stops functioning, try toﬁnd the source of the problem, and replace the dam-aged fuse with a new, rated fuse.RRWARNING: DISCONNECT the AC powercable and/or DC power cable from the repeater.Otherwise, there is danger of electric shock and/orequipment damage.DLOGIC unitqRemove the bottom cover as shown on p. 11.wRemove 8 screws from the LOGIC shielding plate,then remove the plate.eReplace the circuitry fuse as shown below.rReturn the LOGIC shielding plate and bottom cover.For ACC connectorDREG unitqRemove the top cover as shown on p. 11.wRemove the 12 screws from the REG shieldingplate, then remove the plate.eReplace the circuitry fuse as shown below.rReturn the REG shielding plate and top cover.For DC output line of internal power supplyFor DC output line of internal power supplyFor DC output line of external backup batteryFor DC output line of external backup battery

615SPECIFICATIONS AND OPTIONS■SpeciﬁcationsSpeciﬁcations are measured in accordance with EIA/TIA-603.DDIC-FR3000General• Frequency coverage : 150.000–174.000 MHz*148.000–172.000 MHz** Depends on version• Channel specing : 12.5/25.0 kHz (Narrow/Wide)• PLL channel step : 5.0, 6.25 kHz (2.5 kHz repeateroperation only)• Frequency stability : ±2.5 ppm• Number of channels : Max. 32 channel• Antenna connector : Type-N ×2 (50 Ω)• Operating temp. range : –30°C to +60°C(–22°F to +140°F)• Power supply voltage : 100–120 V AC (50/60 Hz)*220–240 V AC (50/60 Hz)*13.6 V DC (negative ground)* Depends on version• Current drain (at 13.6 V) : TX high (50 W) 15.0 AMax. audio 2.0 AStand-by 1.0 A• Dimensions : 410(W) ×110(H) ×360(D) mm(Projections not included) 16 1⁄3(W) ×41⁄3(H) ×14 1⁄4(D) in• Weight (approx.) : 12 kg; 26 lb 7 ozTransmitter• RF output power : 50 W• Modulation system : Variable reactance frequency modulation system• Max. frequency deviation : ±5.0 kHz (Wide), ±2.5 kHz (Narrow)• Spurious emissions : 70 dB• Adjacent channel power : More than 70 dB (Wide), More than 60 dB (Narrow)• Audio harmonic distortion : 3.0% typical(at 1 kHz, 40% deviation)• Hum and noise : More than 40 dB (Wide), More than 34 dB (Narrow)• Microphone impedance : 600 Ω(8-pin modular)Receiver• Receive system : Double conversion superheterodyne system• Sensitivity (12 dB SINAD) : 0.25 µV typical• Intermediate frequencies : 1st; 31.65 MHz, 2nd; 455 kHz•Adjacent channel selectivity: More than 70 dB (Wide), More than 60 dB (Narrow)• Spurious response : More than 70 dB• Intermodulation : More than 70 dB• Hum and noise : More than 40 dB (Wide), More than 34 dB (Narrow)• Audio output power : 2.5 W typical at 10% distortionwith a 4 Ωload•External speaker connector:2-conductor 3.5 (d) mm (1⁄8") 4 ΩDDIC-FR4000General• Frequency coverage : 400.000–430.000 MHz*430.000–450.000 MHz*450.000–480.000 MHz** Depends on version• Channel specing : 12.5/25.0 kHz (Narrow/Wide)• PLL channel step : 5.0, 6.25 kHz• Frequency stability : ±1.5 ppm*/±2.5 ppm** Depends on version• Number of channels : Max. 32 channel• Antenna connector : Type-N ×2 (50 Ω)• Operating temp. range : –30°C to +60°C(–22°F to +140°F)• Power supply voltage : 100–120 V AC (50/60 Hz)*220–240 V AC (50/60 Hz)*13.6 V DC (negative ground)* Depends on version• Current drain (at 13.6 V) : TX high (50 W) 20.0 AMax. audio 2.0 AStand-by 1.0 A• Dimensions : 410(W) ×110(H) ×360(D) mm(Projections not included) 16 1⁄3(W) ×41⁄3(H) ×14 1⁄4(D) in• Weight (approx.) : 12 kg; 26 lb 7 ozAll stated speciﬁcations are subject to change without notice or obligation.

166SPECIFICATION AND OPTIONSTransmitter• RF output power : 50 W• Modulation system : Variable reactance frequency modulation system• Max. frequency deviation : ±5.0 kHz (Wide), ±2.5 kHz (Narrow)• Spurious emissions : 70 dB• Adjacent channel power : More than 70 dB (Wide), More than 60 dB (Narrow)• Audio harmonic distortion : 3.0% typical(at 1 kHz, 40% deviation)• Hum and noise : More than 40 dB (Wide), More than 34 dB (Narrow)• Microphone impedance : 600 Ω(8-pin modular)Receiver• Receive system : Double conversion superheterodyne system• Sensitivity (12 dB SINAD) : 0.25 µV typical• Intermediate frequencies : 1st; 70.0 MHz, 2nd; 455 kHz•Adjacent channel selectivity: More than 70 dB (Wide), More than 60 dB (Narrow)• Spurious response : More than 70 dB• Intermodulation : More than 70 dB• Hum and noise : More than 40 dB (Wide), More than 34 dB (Narrow)• Audio output power : 2.5 W typical at 10% distortionwith a 4 Ωload•External speaker connector:2-conductor 3.5 (d) mm (1⁄8") 4 Ω■Options•MB-77 WALL MOUNT BRACKET (p. 10)For mounting the repeater to a wall.•MB-78 19 INCH RACK MOUNT BRACKET (pgs. 9, 10)For mounting the repeater into a 19 inch rack.•HM-100N HAND MICROPHONE•HM-100TN DTMF MICROPHONEHand microphone with a DTMF keypad.•SM-25 DESKTOP MICROPHONE•UT-109 (#01) VOICE SCRAMBLER UNIT (p. 11)Non-rolling type (max. 32 codes).•UT-110 (#01) VOICE SCRAMBLER UNIT (p. 11)Rolling type (max. 1020 codes).The scrambler systems of the UT-109 and UT-110 are notcompatible with each other.

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