Icom IC-2710H Instruction Manual
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Icom IC-2710H Instruction Manual

Icom IC-2710H Instruction Manual

Dual band fm transceiver
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INSTRUCTION MANUAL
DUAL BAND FM TRANSCEIVER
iC- 2710h

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Summary of Contents for Icom IC-2710H

  • Page 1 INSTRUCTION MANUAL DUAL BAND FM TRANSCEIVER iC- 2710h...

  • Page 2: Important

    fire or electric shock. the vehicle may be hindered or where it could cause bodily injury. The IC-2710H Europe versions comply with essential re- NEVER let objects impede the operation of the cooling fan quirements of the 89/336/EEC directive for Electromagnetic Compatibility.

  • Page 3: Unpacking

    Mobile mounting bracket ..........1 ➂ surfaces. Microphone (HM-98)............1 ➃ Fuse (20 A)..............1 Icom microphones only (supplied or optional). Other ➄ Knob bolt (M4 x 8) ............4 manufacturer’s microphones have different pin assignments ➅ Mounting bolt (M5 x 12) ........... 4 and may damage the transceiver.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS I Receiving ................... 20 IMPORTANT ..................i I Monitor function .................. 21 EXPLICIT DEFINITIONS ..............i I Audio mute function ................21 CAUTIONS ..................i I Avionics band receive ................ 21 UNPACKING ................... ii I Sub band access ................22 TABLE OF CONTENTS ..............
  • Page 5 I Calling up a scratch pad memory ............39 14 EXTERNAL DTMF REMOTE .......... 63 – 64 I Transferring scratch pad memory contents ........40 15 OPTIONAL UNIT INSTALLATION ......... 65 9 SCAN OPERATION ............41 – 46 I Optional unit installation ..............65 I Scan types ..................

  • Page 6: Panel Description

    PANEL DESCRIPTION I Front panel (remote controller) Function display (p. 3) LOCK CALL BAND V MHz V MHz SCAN SCAN S.MW MW S.MW MW M CALL M CALL PRIO PRIO LOW DUP POWER DTMF T MONI SET L SET D MONI q POWER SWITCH [POWER] e SQUELCH CONTROLS [SQL(MONI)]...
  • Page 7 PANEL DESCRIPTION t VFO/MHz SWITCHES [V/MHz(SCAN)] ➥ Select and toggle VFO mode and 1 MHz tuning display. ➥ Start a scan when pushed and held. (p. 42) y MEMORY/CALL CHANNEL SWITCHES [M/CALL(PRIO)] ➥ Select and toggle memory mode or a call channel. (pgs.

  • Page 8: I Function Display

    PANEL DESCRIPTION I Function display – T DUP – T REMO MUTE MUTE P R I O P R I O BUSY BUSY SKIP SKIP q SUB BAND ACCESS INDICATORS (p. 22) • “d” appears in place of the 100 MHz while the DTMF memory function is in use;...
  • Page 9 PANEL DESCRIPTION u EXTERNAL DTMF CONTROL INDICATOR (p. 63) !3 SKIP INDICATORS (p. 45) Appears when the optional external DTMF control function Appear when the displayed memory channel is specified is in use. as a skip channel. !4 MEMORY INDICATORS (p. 32) •...

  • Page 10: I Rear Panel

    PANEL DESCRIPTION I Rear panel q ANTENNA CONNECTOR [ANT] D Speaker information Accepts a 50 Ω dual band antenna with a PL-259 connec- Connected tor. (p. 14) VHF band audio UHF band audio speaker w SPEAKER JACK 1 [144 MHz SP] Connects a 4–8 Ω...

  • Page 11: I Microphone

    PANEL DESCRIPTION I Microphone ➥ Push to select VFO mode. ➥ Push and hold to toggle the lock function ON and OFF. r MEMORY SWITCH [MR(CALL)] ➥ Push to select memory mode. (p. 32) ➥ Push and hold to select the call channel. (p. 37) t ACTIVITY INDICATOR LOCK CALL...

  • Page 12: I Microphone Keypad

    PANEL DESCRIPTION I Microphone keypad FUNCTION OTHER FUNCTIONS FUNC SECONDARY FUNCTION (after Toggles between opening and closing the No secondary function. accessed band’s squelch. (p. 20) MONI AFC-OFF No secondary function. • Starts and stops scanning. (p. 42) SCAN • Starts tone scan when an optional tone squelch is in use.

  • Page 13: Panel Description

    PANEL DESCRIPTION FUNCTION OTHER FUNCTIONS FUNC SECONDARY FUNCTION (after • Clears a digit before entry. (p. 19) • Writes the VFO contents into the memory • Cancels the scan, priority watch, pager, channel or call channel. (pgs. 34, 38) code squelch or DTMF memory function. •...

  • Page 14: Installation

    INSTALLATION I Installation methods D Single body installation D Separate installation Front panel Main body • It is not necessary to purchase a mounting bracket. The • Optional OPC-600 (3.5 m; 11.5 ft) or SEPARATION CABLE supplied mounting bracket (or optional MB-17A) can be OPC-601 (7.0 m;...

  • Page 15: I Location

    INSTALLATION I Location I Single body installation ➀ Select a location which can support the weight of the trans- Drill 4 holes where the mounting bracket is to be installed. • Approx. 5.5–6 mm ( ⁄ in) when using nuts; approx. 2–3 mm ( ⁄...

  • Page 16: I Microphone Connection

    INSTALLATION I Microphone connection I Separate installation The microphone connector is located behind the front panel. Using an optional OPC-600/601 , the front SEPARATION CABLE Connect the supplied microphone as follows: panel can be separated from the main body, doubling as a re- mote controller.

  • Page 17: I Optional Mb-58 Installation

    ➂ Adjust the angle for the clearest view of the function dis- MB-58 IC-2710H remote controller play and tighten 2 screws when the mounting base is used. Bracket D When using the MB-65 When using self- tapping screws.

  • Page 18: I Battery Connection

    INSTALLATION I Battery connection I DC power supply connection Use a 13.8 V DC power supply with more than 12 A capabil- NEVER connect the transceiver directly to a 24 V battery. ity. An optional IC-PS30 is available for DO NOT DC POWER SUPPLY use the cigarette lighter socket for power con- using the transceiver with a DC power supply in your home.

  • Page 19: I Antenna Installation

    INSTALLATION I Antenna installation D Antenna location D Antenna connector To obtain maximum performance from the transceiver, select The antenna uses a PL-259 connector. a high-quality antenna and mount it in a good location. A non- radial antenna should be used when using a magnetic mount. •...

  • Page 20: Setting A Frequency

    In this case, push [V/MHz] again (or push twice depending on version). D Main band The IC-2710H can receive 144 MHz and 430(440) MHz band signals simultaneously. Function access or frequency changes affect the main band only. In addition, signals can be transmitted on the main band only.

  • Page 21: I Lock Functions

    SETTING A FREQUENCY I Lock functions D Microphone keypad lock To prevent accidental frequency changes and unnecessary This function locks the microphone keypad. function access, use the lock function. The transceiver has 2 different lock functions. Push [FUNC] then [ 16 KEYLOCK] to toggle 16 KEY LOCK D Frequency lock...

  • Page 22: I Using A Tuning Dial

    SETTING A FREQUENCY I Using a tuning dial I Using [Y]/[Z] switches ➀ Rotate the desired band’s tuning dial to set the frequency. Push [Y] or [Z] to set the main band’s frequency. • If VFO mode is not selected, push the same band’s [V/MHz] to •...

  • Page 23: I Tuning Step Selection

    SETTING A FREQUENCY I Tuning step selection Ä Push [BAND] to set the main band, if neces- SET MODE USING sary. Å Tuning steps are the minimum frequency change increments Push [VFO] to select VFO mode. Ç Push [FSET] one or more times until “tS” ap- when you rotate the tuning dial or push the [Y] or [Z] pears as shown previously.

  • Page 24: I Using The Keypad

    SETTING A FREQUENCY I Using the keypad É Push 5 keys to input a frequency. • When a digit is mistakenly input, push [ENT] to clear the input, then input from the 1st digit. The frequency can be directly set via numeral •...

  • Page 25: Basic Operation

    The volume and squelch levels can be adjusted via the mi- crophone. However, levels return to the front panel setting when power is turned OFF or a front panel control is adjusted. The IC-2710H can receive 144 MHz and 430(440) MHz band signals simultaneously. Ä...

  • Page 26: I Monitor Function

    BASIC OPERATION I Monitor function I Avionics band receive (U.S.A. version only) This function is used to listen to weak signals without disturb- AM mode can be selected over the range of 118.000 to ing the squelch setting or to open the desired band’s squelch 135.995 MHz for reception of avionics-related broadcasts.

  • Page 27: I Sub Band Access

    BASIC OPERATION I Sub band access The sub band access function is also available from the mi- crophone and is useful for setting the sub band’s frequency, etc. during transmission standby on the main band. This function allows you to change sub band settings such as duplex settings, especially useful from the microphone, during Ä...

  • Page 28: I Sub Band Mute/Sub Band Busy Beep

    BASIC OPERATION I Sub band mute/ ➂ Rotate the main band’s tuning dial to set the condition. INITIAL SET MODE USING DISPLAY SUB BAND MUTE BUSY BEEP sub band busy beep Sub-oF Sub-oF S The sub band mute function automatically cuts out sub band Sub-on AF signals when both main and sub band signals are re- Sub-on S...

  • Page 29: I Para-Watch

    ➁ Push and hold the main band’s tuning dial until “-144-” or The IC-2710H can simultaneously receive 2 signals on the “-430-” (or “-440-” for U.S.A. version) appears to change same band, 144 MHz or 430(440) MHz band, using the para- the operating band.

  • Page 30: I Transmitting

    BASIC OPERATION I Transmitting ➃ Speak into the microphone using your normal voice level. • DO NOT hold the microphone too close to your mouth or speak too loudly. This may distort the signal. CAUTION: ➄ Transmitting without an antenna may dam- Release [PTT] to return to receive.

  • Page 31: I Crossband Full Duplex

    BASIC OPERATION I One-touch PTT function The microphone can select the desired output HIGH power directly. The PTT switch can be operated as a one-touch Ä Push [BAND] to select the desired band, if nec- PTT-M PTT switch (each push toggles transmit/receive). essary.

  • Page 32: I Operation

    REPEATER OPERATION I Operation ➄ ➀ Push the desired band’s tuning dial. Push and hold [PTT] to transmit. ➁ • The displayed frequency automatically changes to the transmit Set the receive frequency (repeater output frequency). frequency (repeater input frequency). (pgs. 15–19) ➂...

  • Page 33: Repeater Operation

    REPEATER OPERATION Ä D DTMF tones Push [BAND] to select the desired band, if nec- DUP– essary. Push [DTMF-S], then push the keys of the desired Å Set the receive frequency (repeater output fre- DTMF S DTMF digits. quency). (pgs. 15–19) •...

  • Page 34: I Subaudible Tones

    REPEATER OPERATION I Subaudible tones SET MODE USING Ä Push [BAND] to select the desired band, if nec- The display shows that an essary. 88.5 Hz subaudible tone fre- Å Set the mode/channel you wish to set the sub- quency is set. audible tone frequency to, such as VFO mode, memory/call channel or scratch pad memory.

  • Page 35: I Offset Frequency

    REPEATER OPERATION I Offset frequency SET MODE USING Ä Push [BAND] to select the desired band, if nec- essary. The display shows that a 0.6 Å Set the mode/channel you wish to set the offset MHz (600 kHz) frequency is frequency to, such as VFO mode or set.

  • Page 36: I Auto Repeater

    REPEATER OPERATION I Auto repeater INITIAL SET MODE USING (U.S.A. version only) D Frequency range and offset direction The U.S.A. version automatically activates the repeater set- FREQUENCY RANGE DUPLEX DIRECTION tings (DUP or DUP– and tone encoder ON/OFF) when the 145.200–145.495 MHz “DUP–”...

  • Page 37: Memory Operation

    MEMORY OPERATION I General description I Memory channel selection D Using a tuning dial The transceiver has 99 regular memory channels plus 6 scan ➀ edge memory channels (3 pairs) on each band; each of these Push the desired band’s [M/CALL] once or twice to display can be individually programmed with the following data.

  • Page 38: I Programming A Memory Channel

    MEMORY OPERATION I Programming a memory channel VFO mode settings, including the set mode contents such as programmed. • Memory channels not yet programmed are blank. subaudible tone frequency, etc., are programmed into a mem- ➃ Push [S.MW] for 1 sec. to program. ory channel.

  • Page 39: I Programming A Memory Channel Via The Microphone

    MEMORY OPERATION I Programming a memory channel via the microphone Ç Memory channel programming can be performed Push [FUNC] then [EMW] momentarily. via the microphone. É Select the memory channel to be programmed: ➥ Push [Y] or [Z] to select the memory channel (direct numeral Ä...

  • Page 40: I Transferring Memory Contents

    MEMORY OPERATION I Transferring memory contents Ä Push [BAND] to select the desired band, if nec- essary. Å This function transfers a memory channel’s contents into a VFO Select the memory channel to be transferred: ➥ Push [MR] to select memory mode. (or another memory/call channel).

  • Page 41: I Memory Clearing

    MEMORY OPERATION I Memory clearing Contents of programmed memories can be cleared (blanked), NOTE: Be careful—the contents of cleared memories CANNOT if desired. be recalled. ➀ Push [S.MW] momentarily. • Memory channel 0 and scan edge channels 1A/1b cannot be ➁...

  • Page 42: Call Channel Operation

    CALL CHANNEL OPERATION I Calling up a call channel I Transferring call channel contents Each band has an independent call channel to store a most- often-used frequency for quick recall. ➀ Push the desired band’s tuning dial. ➁ ➀ Select the call channel by pushing the selected band’s Push the desired band’s [M/CALL] once or twice to display [M/CALL] once or twice.

  • Page 43: I Programming A Call Channel

    CALL CHANNEL OPERATION I Programming a call channel ✔ CONVENIENT In addition to an operating frequency, duplex information and The call channel can also be programmed from the VFO di- subaudible tone information (tone encoder or tone squelch* rectly (similar to memory programming). ON/OFF and its frequency) can be programmed into the call channel.

  • Page 44: Scratch Pad Memory

    SCRATCH PAD MEMORY I What is a scratch pad I Calling up a scratch pad memory? memory ➀ During VFO operation, the transceiver automatically memo- Select the call channel by pushing the desired band’s rizes operating frequency information, separate from regular [M/CALL] once or twice.

  • Page 45: I Transferring Scratch Pad Memory Contents

    SCRATCH PAD MEMORY ➀ Ä Push the desired band’s tuning dial. Push [BAND] to select the desired band, if nec- ➁ CALL Select the call channel by pushing the selected band’s essary. Å [M/CALL] once or twice. Push and hold [ CALL] to select the call (MR) •...

  • Page 46: Scan Operation

    SCAN OPERATION I Scan types Scanning searches for transmitted signals automatically and Each band has 3 scan types and 5 resume conditions to suit makes it easier to locate new stations for contact or listening your needs. Scans on both bands can be operated separately purposes.

  • Page 47: I Start/Stop Scan

    SCAN OPERATION I Scan start/stop During programmed scan D Pre-operation Indicates scan edge channels. • Common setting: scan resume condition. (p. 46) • P1 stands for 1A/1b. • P1 to P3 are available when • For programmed scan: program the scan edges. (p. 43) they are programmed.

  • Page 48: I Programming Scan Edges

    SCAN OPERATION I Programming scan edges ➃ Rotate the tuning dial to select a scan edge channel (1A to 3A). ➄ Push [ MW] for 1 sec. to program. (S.MW) Scan edges can be programmed in the same manner as •...

  • Page 49: I Programming Scan Edges Via The Microphone

    SCAN OPERATION I Programming scan edges via ➥ 3 beeps may sound and the VFO contents (including the sub- audible tone frequency, etc.) are programmed. the microphone ➥ Memory channel number advances to the next scan edge chan- nel (1b to 3b) when continuing to push [EMW] after program- Ä...

  • Page 50: I Skip Channel Setting

    SCAN OPERATION I Skip channel setting ➄ Push the selected band’s tuning dial to exit set mode. SET MODE USING NOTE: Scan edge memory channels cannot be specified The memory skip function speeds up scanning by checking as skip channels, however, they are skipped during mem- only desired memory channels.

  • Page 51: I Scan Resume Condition

    SCAN OPERATION I Scan resume ➂ Rotate the selected band’s tuning dial to set the desired SET MODE USING timer. condition • “SCt-15” : Scan pauses 15 sec. while receiving a signal. • “SCt-10” : Scan pauses 10 sec. while receiving a signal. The scan resume condition can be selected as timer, pause •...

  • Page 52: Priority Watch

    PRIORITY WATCH I Priority watch types While operating on a VFO MEMORY CHANNEL frequency, priority watch WATCH (p. 48) Priority watch checks for signals on a memory or call chan- checks for a signal on the 5 sec. nel every 5 sec. while operating on a VFO frequency. The selected memory channel 125 msec.

  • Page 53: I Priority Watch Operation

    PRIORITY WATCH I Priority watch operation ➀ Ä Push [BAND] to select the desired band, if nec- Push the desired band’s tuning dial. PRIO ➁ essary. Select VFO mode; then, set an operating frequency. ➂ Å Select VFO mode; then, set an operating fre- Set the watching channel(s).

  • Page 54: Dtmf Memory Encoder

    DTMF MEMORY ENCODER I Programming a DTMF code ➆ DTMF codes are used for autopatching, accessing repeaters, Push the main band’s tuning dial to exit the programming controlling other equipment, etc. The transceiver has 8 DTMF condition. memory channels (d1– d8) for storage of often-used DTMF codes of up to 16 digits.

  • Page 55: I Programming A Dtmf Code Via The Microphone

    DTMF MEMORY ENCODER I Programming a DTMF code via the microphone É DTMF codes can be directly programmed via the Push the desired digit keys. DTMF keypad on the microphone. The contents can be • When the first digit is input, previous memory contents are cleared automatically.

  • Page 56: I Transmitting A Dtmf Code

    DTMF MEMORY ENCODER I Transmitting a DTMF code É Push [PTT] to transmit the selected DTMF code. • At each push of [PTT], the selected DTMF code is transmitted. Ñ D Using the DTMF memory function Push [ECLR] to cancel the function. (automatic transmission) D Transmitting a DTMF memory channel directly The selected DTMF code is transmitted at each push of the...

  • Page 57: I Dtmf Speed

    DTMF MEMORY ENCODER I DTMF speed INITIAL SET MODE USING The rate at which DTMF memories send individual DTMF DISPLAY INTERVAL SPEED characters can be set to accommodate operating needs. This dtd-1 100 msec. 5.0 cps setting does not affect an optional pager or code squelch op- dtd-2 200 msec.

  • Page 58: Pocket Beep And Tone Squelch

    POCKET BEEP AND TONE SQUELCH optional UT-104 IPocket beep operation Ä This function uses subaudible tones for calling and can be Push [BAND] to select the desired band, if nec- T SQLS used as a “common pager” to inform you that someone has essary.

  • Page 59: I Tone Squelch Operation

    POCKET BEEP AND TONE SQUELCH I Tone squelch operation Ä The tone squelch opens only when receiving a signal with the Push [BAND] to select the desired band, if nec- T SQL same pre-programmed subaudible tone. This function can be essary.

  • Page 60: I Tone Scan

    POCKET BEEP AND TONE SQUELCH I Tone scan Ä By monitoring a signal that is being transmitted on a repeater Push [BAND] to select the desired band, if nec- T SQL input frequency, you can determine the tone frequency nec- essary.

  • Page 61: Pager And Code Squelch

    PAGER AND CODE SQUELCH optional UT-49 I Pager function The pager functions can be used only when an optional other stations in the party know that you called. UT-49 is installed. This function uses DTMF codes for paging Group calls use the group code for calling. All station displays and can be used as a “message pager”...

  • Page 62: I Code Channels

    PAGER AND CODE SQUELCH I Code channels RECEIVE ACCEPT AND INHIBIT Code channels 1–5 can store the transmit codes for per- D Before programming sonal calls to other individuals and the group codes for The pager and code squelch functions require ID codes and a group calls.

  • Page 63: I Code Programming

    PAGER AND CODE SQUELCH I Code programming Ä Push [BAND] to select the desired band, if nec- essary. ➀ Push the desired band’s tuning dial. • Each band has separate code channels. Å Push [FUNC] then [➃PGR] to turn the pager •...

  • Page 64: I Pager Operation

    PAGER AND CODE SQUELCH I Pager operation Ä D Calling a specific station Push [BAND] to select the desired band, if nec- ➀ essary. Push the desired band’s tuning dial. ➁ Å Set the operating frequency. Set the operating frequency. ➂...
  • Page 65 PAGER AND CODE SQUELCH Ä D Waiting for a call from a specific station Push [BAND] to select the desired band, if nec- ➀ essary. Push the desired band’s tuning dial. Å ➁ Set the operating frequency. Set the operating frequency. Ç...

  • Page 66: I Code Squelch Function

    PAGER AND CODE SQUELCH I Code squelch function PERSONAL CALLS The code squelch function can be used only when an optional This display appears when UT-49 is installed. you are called with your ID code and the calling station’s Code squelch operation provides communication with silent SKIP ID code is 263.

  • Page 67: I Code Squelch Operation

    PAGER AND CODE SQUELCH I Code squelch operation ➀ Ä Push the desired band’s tuning dial. Push [BAND] to select the desired band, if nec- C SQL ➁ Set the operating frequency. essary. ➂ Å Push [DTMF] 3 times to turn the code squelch ON. Set the operating frequency.

  • Page 68: External Dtmf Remote

    ➄ Set the operating frequency of the controller transceiver equal to the sub band frequency of the IC-2710H. • Make sure a tone frequency is set when using the optional tone squelch function with the IC-2710H.

  • Page 69: External Dtmf Remote

    EXTERNAL DTMF REMOTE [EXAMPLE] 144.750 MHz [ENT] 1 MHz 100 10 kHz CALL MR VFO CLR mode HIGH Memory channel 15 Memory [ENT] mode LOW1 2 digits Scratch pad DOWN UP ENT memory 2 Call [DOWN] [DOWN] channel Note for the [ENT] key DTMF KEYPAD •...

  • Page 70: Optional Unit Installation

    OPTIONAL UNIT INSTALLATION I Optional unit installation There are 2 optional internal units available. Bottom cover fig. 1 UT-49 DTMF DECODER UNIT The following functions are added when the UT-49 is in- stalled: • Pager function • Code squelch Openings •...

  • Page 71: Wireless Operation

    D Turning the wireless remote ON/OFF cable When you use the HM-90 as a wired microphone, turn OFF the wireless remote control circuit if desired. Dip switch IC-2710H EX-1759 BC-96 1 2 3 4 The diagram shows that the wireless remote con-...

  • Page 72: I Ex-1759 Installation

    WIRELESS OPERATION I EX-1759 installation The EX-1759 can be installed for 2 differ- (When using BC-96 INFRARED RECEIVER with external DC) ent purposes depending on the HM-90 charger. This is be- EX-1759 cause the EX-1759 has both an infrared receiver and a microphone connector which contains microphone charging capabilities.

  • Page 73: I Hm-90 Switches

    WIRELESS OPERATION I HM-90 switches ™ SQUELCH LEVEL UP/DOWN SWITCHES [YSQL], [ZSQL] š Vary the accessed band’s squelch threshold point for noise – mute. š › FREQUENCY UP/DOWN SWITCHES [UP], [DN]  ž LOCK — ➥ Push either switch to change the operating frequency, BAND AFC-OFF PTT-M...
  • Page 74 WIRELESS OPERATION D Keypad FUNCTION OTHER FUNCTIONS FUNC SECONDARY FUNCTION (After Calls up a call channel. No secondary function. CALL AFC-OFF Selects memory mode. No secondary function. DEMO • After PTT-M Selects VFO mode. Turns the one-touch PTT function ON Input the appropriate digit and OFF.
  • Page 75 OFF. SPCH [ B MONI] NOTE: Transmits a 1750 Hz tone The IC-2710H has no voice synthesizer call signal for 1 sec. function. [ A SQL] DEMO Sets the keypad for numeral input.

  • Page 76: I Microphone Address

    WIRELESS OPERATION I Microphone INITIAL SET MODE USING D Microphone dip switch address ➀ Remove the switch cover from the microphone rear panel. ➁ Set the microphone dip switch and the microphone ad- The transceiver has 8 possible microphone addresses to help dress to the same value as shown below.

  • Page 77: Other Functions

    OTHER FUNCTIONS I Beep tones on/off I Time-out timer INITIAL SET MODE INITIAL SET MODE USING USING You can select silent operation by turning beep tones OFF or To prevent accidental prolonged transmission with the one- you can select to have confirmation beeps sound at the push touch PTT function, etc., the transceiver has a time-out timer.

  • Page 78: I Auto Power-Off

    OTHER FUNCTIONS I Auto power-off I Cooling fan INITIAL SET MODE INITIAL SET MODE USING USING setting The auto power-off function conveniently turns the transceiver power OFF after a preset time in which no operations are per- The transceiver has a heatsink and cooling fan to radiate formed.

  • Page 79: I Microphone [F-1]/[F-2] Keys

    OTHER FUNCTIONS I Microphone [F-1]/[F-2] keys ➁ Rotate the tuning dial (right side) to set the desired inten- sity. • Intensity can be set from “d1” (dark) to “d4” (bright). Switches on the transceiver’s front panel can be assigned to ➂...

  • Page 80: Maintenance

    MAINTENANCE I Troubleshooting If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM POSSIBLE CAUSE SOLUTION REF. No power comes on. • Power connector has a poor contact. • Check the connector pins. —...
  • Page 81 MAINTENANCE PROBLEM POSSIBLE CAUSE SOLUTION REF. Frequency cannot be set via • The frequency lock function is activated. • Push and hold [ LOCK] to deactivate the p. 16 (VFO) microphone. frequency lock function. p. 16 • The microphone keypad lock function is acti- •...

  • Page 82: I Fuse Replacement

    MAINTENANCE I Fuse replacement I Resetting the transceiver If the fuse blows or the transceiver stops functioning, find the The function display may occasionally display erroneous in- source of the problem if possible, and replace the damaged formation, (e.g. when first applying power). This may be fuse with a new, rated one (FGB 20 A) as shown in the dia- caused externally by static electricity or other factors.

  • Page 83: Specifications

    SPECIFICATIONS • Output power and current drain: General CONDITION POWER CURRENT • Frequency coverage High 50 W 12.0 A VERSION 10 W 6.5 A 144 MHz 144–148 MHz U.S.A. 440–450 MHz 4.5 A 118–174 MHz* High 35 W 11.0 A 144–148 MHz Asia 430–440 MHz...

  • Page 84: Options

    Some of the following options may not be available due to variations in local electrical standards, etc. If you have any OPC-600/601 SEPARATION CABLE questions regarding options please consult your Icom Dealer. For operation with the front panel detached. Cable length OPC-600: 3.5 m;...

  • Page 85: Options

    OPTIONS D Wireless microphone accessories D Internal units for function enhancements HM-90 WIRELESS MICROPHONE UT-49 DTMF DECODER UNIT Infrared, full remote control microphone. Wired remote con- Provides pager and code squelch functions. Also provides an trol is also possible. external DTMF function for the U.S.A. version only. EX-1759 INFRARED RECEIVER UT-104 TONE SQUELCH UNIT Used to receive control signals from the HM-90.

  • Page 86: Mode Arrangement Chart

    MODE ARRANGEMENT Although the following chart refers mainly to the VHF band, the transceiver has the same mode arrangement in the UHF band. SET L VFO MODE (p. 15) or no operation for 30 sec. V/MHz V/MHz SCAN M/CALL SCAN DTMF MEMORY M/CALL See p.
  • Page 87 MODE ARRANGEMENT SET MODE INITIAL SET MODE Turn power ON while pushing [SET L]. Beep tone on/off (p. 72) Subaudible tone frequency (p. 29) Time-out timer (p. 72) Offset frequency (p. 30) Auto repeater* (p. 31) Auto power-off (p. 73) Tuning step* SEL L MONI...
  • Page 88 Count on us! A-5382H-1EX Printed in Japan Copyright © 1996 by Icom Inc. 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan...

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