Icom IC-M602 Instruction Manual
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Icom IC-M602 Instruction Manual

Vhf marine transceiver
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INSTRUCTION MANUAL

VHF MARINE TRANSCEIVER
iM602
This device complies with Part 15 of the FCC rules. Operation is sub-
ject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.

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  • Page 1: Instruction Manual

    INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM602 This device complies with Part 15 of the FCC rules. Operation is sub- ject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 2: Foreword

    We want to take a couple of moments of your time to The optional COMMANDMIC provides a 2nd and 3rd thank you for making the IC-M602 your radio of choice, station capability and an intercom function. With slim and hope you agree with Icom’s philosophy of “tech- dimension and sizable LCD, the COMMANDMIC offers nology first.”...

  • Page 3: Important

    Icom, Icom Inc. and the logo are registered trademarks CLEAN THE TRANSCEIVER AND MICROPHONE of Icom Incorporated (Japan) in the United states, the United THOROUGHLY WITH FRESH WATER after exposure to Kingdom, Germany, France, Spain, Russia and/or other coun- water including salt water, otherwise, the keys and tries.

  • Page 4: In Case Of Emergency

    IN CASE OF EMERGENCY If your vessel requires assistance, contact other vessels and Or, transmit your distress call using digital selective calling on the Coast Guard by sending a distress call on Channel 16. Channel 70. USING CHANNEL 16 USING DIGITAL SELECTIVE CALLING (Ch 70) DISTRESS CALL PROCEDURE DISTRESS CALL PROCEDURE...

  • Page 5: Radio Operator Warning

    RADIO OPERATOR WARNING Icom requires the radio operator to meet the FAILURE TO OBSERVE THESE LIMITS MAY ALLOW FCC Requirements for Radio Frequency Expo- THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF sure. An omnidirectional antenna with gain not RADIATION ABSORPTION WHICH EXCEEDS THE FCC greater than 9 dBi must be mounted a minimum MAXIMUM PERMISSIBLE EXPOSURE (MPE) LIMIT.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS I Starting a scan ............17 FOREWORD ............... i IMPORTANT ............... ii 6 DSC OPERATION ........18 – 45 EXPLICIT DEFINITIONS ............ ii I MMSI code programming ........18 NOTE .................. ii I DSC individual ID ............ 18 IN CASE OF EMERGENCY ..........
  • Page 7 I Mounting the transceiver ........56 I Set mode programming .......... 75 I Optional unit installation .......... 58 I Intercom operation ..........76 I Dimensions ............. 59 I Channel comments ..........76 10 TROUBLESHOOTING ........60 TEMPLATE 11 CHANNEL LIST ..........61 12 SPECIFICATIONS AND OPTIONS ....

  • Page 8: Precaution

    Changes or modifications to this device, not ex- cohol when cleaning, as they may damage the transceiver pressly approved by Icom Inc., could void your authority to surfaces. operate this device under FCC regulations.

  • Page 9: Operating Rules

    OPERATING RULES D D PRIORITIES (2) OPERATOR’S LICENSE A Restricted Radiotelephone Operator Permit is the license • Read all rules and regulations pertaining to priorities and most often held by small vessel radio operators when a radio keep an up-to-date copy handy. Safety and distress calls is not required for safety purposes.

  • Page 10: Panel Description

    PANEL DESCRIPTION I Panel description iM602 VHF MARINE Function display Speaker WATERPROOF U/I/C CH/WX DISTRESS MIC connector (Connect HM-136 ONLY) CAUTION: NEVER connect other microphones here, such as the optional HM-127, may cause damage to the transceiver.
  • Page 11 PANEL DESCRIPTION q TRANSMIT POWER KEY [H/L] y CHANNEL 16/CALL CHANNEL KEY [16•9] ➥ Toggles power high or low when pushed. (p. 10) ➥ Selects Channel 16 when pushed. (p. 8) ➥ Selects call channel when pushed for 1 sec. (p. 8) •...
  • Page 12 PANEL DESCRIPTION ➥ Inputs the numeral “1” for channel number !2 KEYPAD input, etc. ➥ Inputs “1,” “Q,” “Z,” “q,” “z” or space for chan- nel comment input. ➥ After pushing [F], turns the dualwatch func- tion ON or OFF. (p. 15) ➥...
  • Page 13 PANEL DESCRIPTION ➥ Inputs the numeral “5” for channel number ➥ Inputs the numeral “9” for channel number input, etc. input, etc. ➥ Inputs “5,” “J,” “K,” “L,” “j,” “k” or “l” for channel ➥ Inputs “9,” “W,” “X,” “Y,” “w,” “x” or “y” for chan- comment input.

  • Page 14: I Function Display

    PANEL DESCRIPTION I Function display r SCAN INDICATOR ➥ Either “NORMAL SCAN” or “PRI-SCAN 16” scan type appears while scanning. (p. 17) ➥ “DUAL 16” appears during dualwatch; “TRI 16” appears during tri-watch. (p. 15) BUSY-25W---INT---CALL LOCAL--DUP t POSITION INDICATOR SCRAM--TAG ➥...

  • Page 15: I Microphone (Hm-136)

    PANEL DESCRIPTION I Microphone (HM-136) i CHANNEL NUMBER READOUT ➥ Indicates the selected operating channel number. “A” appears when a simplex channel is selected. (p. 9) “b” appears when a receive only channel for a Canadian channel group is selected. ➥...

  • Page 16: I Channel Selection

    BASIC OPERATION I Channel selection D D Channel 16 D D Channel 9 (Call channel) Channel 16 is the distress and safety channel. It is used for Each regular channel group has a separate leisure-use call establishing initial contact with another station and for emer- channel.

  • Page 17: Basic Operation

    BASIC OPERATION D D U.S.A., Canadian and International channels D D Weather channels There are 57 U.S.A., 61 Canadian and 57 International chan- There are 10 weather channels. Used for monitoring weather nels. These channel groups may be specified for the operat- channels from the NOAA (National Oceanographic and At- ing area.

  • Page 18: I Receiving And Transmitting

    BASIC OPERATION I Receiving and transmitting CAUTION: u Push and hold [PTT] to transmit, then speak into the mi- Transmitting without an antenna may dam- age the transceiver. crophone. • “TX” appears. q Push [POWER] to turn power ON. • Channel 70 cannot be used for transmission other than DSC. w Set the audio and squelch levels.

  • Page 19: I Call Channel Programming

    BASIC OPERATION I Call channel programming I Channel comments The call channel is used to select Channel 9 (default), how- Memory channels can be labeled with alphanumeric names ever, you can program the call channel with your most often- of up to 10 characters each. used channels in each channel group for quick recall.
  • Page 20 BASIC OPERATION • Available characters CHARACTERS CHARACTERS z (space) m n o...

  • Page 21: I Optional Voice Scrambler Operation

    BASIC OPERATION I Optional voice scrambler operation D D Activating the scrambler D D Programming scrambler codes The optional voice scrambler provides private communica- There are 32 codes (1 to 32) available for programming when tions. In order to receive or send scrambled transmissions the optional UT-112 is installed.

  • Page 22: Dualwatch/Tri-Watch

    DUALWATCH/TRI-WATCH I Description Dualwatch monitors Channel 16 while you are receiving an- other channel; tri-watch monitors Channel 16 and the call channel while receiving another channel. DUALWATCH/TRI-WATCH SIMULATION Call channel Dualwatch Tri-watch • If a signal is received on Channel 16, dualwatch/tri-watch pauses on Channel 16 until the signal disappears. •...

  • Page 23: I Operation

    DUALWATCH/TRI-WATCH I Operation q Select the desired operating channel. w Push [F], then push [1 ] to start dualwatch or [2 [Example]: Operating tri-watch on INT Channel 25. DUAL to start tri-watch. BUSY-25W---INT---CALL • “DUAL” appears during dualwatch; “TRI” appears during tri- LOCAL--DUP SCRAM--TAG watch.

  • Page 24: Scan Operation

    SCAN OPERATION I Scan types Scanning is an efficient way to locate signals quickly over a Set the tag channels (scanned channel) before scanning. wide frequency range. The transceiver has priority scan and Clear the tag channels which inconveniently stop scanning, normal scan.

  • Page 25: I Setting Tag Channels

    SCAN OPERATION I Setting tag channels I Starting a scan For more efficient scanning, add desired channels as tag Set scan type (priority or normal scan) and scan resume timer channels or clear tag channels for unwanted channels. Chan- in advance using set mode. (p. 51) nels are not tagged will be skipped during scanning.

  • Page 26: Dsc Operation

    DSC OPERATION I MMSI code programming I DSC individual ID The 9-digit MMSI (Maritime Mobile Service Identity: DSC self A total of 100 DSC address IDs can be programmed and ID) code can be programmed at power ON. named with up to 10 characters. D D Programming Address ID This code programming can be performed only twice.
  • Page 27 DSC OPERATION D D Deleting Address ID r Set the individual ID and ID name. q Push [MENU] to enter the DSC menu. w Rotate [CHANNEL] to select “Set up,” push [ENT]. • Edit the 9-digits of the appropriate distress ID directly with the e Rotate [CHANNEL] to select “DEL: INDV ID,”...
  • Page 28 DSC OPERATION D D Programming Group ID q Push [MENU] to enter the DSC menu. --DSC Menu-- Add:Group ID w Rotate [CHANNEL] to select “Set up,” push [ENT]. Input 8 digits --DSC Menu-- ˘0ä_______ _______ Select item Input name ˘Position Report ˘_________ _________ ˘Polling Request...

  • Page 29: I Position And Time Programming

    DSC OPERATION I Position and Time programming r Edit the digit of your longitude data directly with the keypad. A distress call should include the ship’s position and time data. If no GPS is connected, your position and UTC (Univer- •...

  • Page 30: I Position/Time Indication

    UTC time only. ➥ “??” may blink instead of position and time indications A GPS receiver appropriate for the IC-M602 is not supplied from Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01 when the GPS data is invalid, or has not been manually format is required for position/time indication.

  • Page 31: I Distress Call

    DSC OPERATION I Distress call e After transmitting the call, the transceiver waits for an ac- A distress call should be transmitted, if in the opinion of the Master, the ship or a person is in distress and requires imme- knowledgment call on Ch 70.
  • Page 32 DSC OPERATION D D Normal call t After receiving the acknowledgment, reply using the mi- The nature of the distress call should be included in the dis- crophone. tress call. BUSY-25W---INT---CALL q Push [MENU] to enter the DSC menu. LOCAL--DUP w Rotate [CHANNEL] to select “Distress Setting,”...
  • Page 33 DSC OPERATION --DSC Menu-- --DSC Menu-- Select Nature Input Position ˘Undesignated Latitude ˘Explosion ˘ _°__.___N˘˘˘˘˘˘˘˘Null ˘Flooding Longitude ˘Collision ___°__.___W˘˘˘˘˘˘˘˘Null ˘Grounding ˘ <CE˘Null Data> ˘Capsizing <CLR˘Exit / ENT˘OK> ˘Sinking ˘Adrift ˘Abandoning t The time information appears. Set the current UTC time, ˘Piracy push [ENT].
  • Page 34 DSC OPERATION u After transmitting the call, the transceiver waits for an ac- o After receiving the acknowledgment, reply using the mi- knowledgment call on Ch 70. crophone. • The distress call is automatically transmitted every 3.5 to 4.5 BUSY-25W---INT---CALL minutes.

  • Page 35: I Transmitting Dsc Calls

    DSC OPERATION I Transmitting DSC calls D D Transmitting Individual call e Rotate [CHANNEL] to select the desired pre-programmed The individual call function allows you to transmit a DSC sig- individual address or “Manual Input,” push [ENT]. nal to a specific ship only. •...
  • Page 36 ˘All Ships Call ceived. ˘Position Request ˘Position Report --DSC Menu-- Individual Call e Rotate [CHANNEL] to select the desired individual ad- TX Complete ˘Icom dress or ID code, push [ENT]. Now Waiting for ACK --DSC Menu-- ˘Ricky Select Address ˘ ˘Manual Input <CLR˘Exit>...
  • Page 37 DSC OPERATION r Rotate [CHANNEL] to select an acknowledgement (that y After the individual acknowledgement has been transmit- you can comply to the call or not) from “Able to Com- ted, the following indication is displayed. ply” or “Unable to Comply,” push [ENT]. --DSC Menu-- •...
  • Page 38 DSC OPERATION D D Transmitting Group call r Rotate [CHANNEL] to select a desired intership channel The Group call function allows you to transmit a DSC signal or “Manual Input,” push [ENT]. to a specific group only. • Intership channels are already preset into the transceiver in rec- ommending order.
  • Page 39 DSC OPERATION D D Transmitting All ships call r Push [ENT] to transmit the all ships call. Large ships use Channel 70 as their ‘listening channel.’ When • Channel 70 is selected and the all ships call is transmitted. you want to announce a message to these ships, use the ‘All Ships Call’...
  • Page 40 DSC OPERATION D D Transmitting Position request call r Push [ENT] to transmit the position request call. Transmit a position request call when you want to know a specific ship’s current position, etc. --DSC Menu-- Position Request Ready q Push [MENU] to enter the DSC menu. w Rotate [CHANNEL] to select “Position Request,”...
  • Page 41 DSC OPERATION D D Transmitting Position report call When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con- Transmit a position report call when you want to announce nected, next steps r, t (Current position/time program- your own position to a specific ship and to get an answer. ming) do not appear.
  • Page 42 DSC OPERATION t The time information appears. Set the current UTC time, u After the position report call has been transmitted, the fol- push [ENT]. lowing indication is displayed. • Edit the digit of the current UTC time directly with the keypad. --DSC Menu-- •...
  • Page 43 DSC OPERATION D D Transmitting Polling request call r Push [ENT] to transmit the polling request call. Transmit a polling request call when you want to know a spe- cific ship is in the communication area, etc. --DSC Menu-- Polling Request Ready q Push [MENU] to enter the DSC menu.
  • Page 44 DSC OPERATION D D Transmitting Position reply call D D Transmitting Position report reply call Transmit a position reply call when a position request call is Transmit a position report reply call when a position report call received. is received. q When a position request call is received, the following in- q When a position report call is received, the following indi- dication is displayed.
  • Page 45 DSC OPERATION D D Transmitting Polling reply call Transmit a polling reply call when a polling request call is re- ceived. q When a polling request call is received, the following indi- cation is displayed. BUSY-25W---INT---CALL LOCAL--DUP SCRAM--TAG ReceivedCAN POLL REQ <Chuck3 <CLR˘Exit>...

  • Page 46: I Receiving Dsc Calls

    DSC OPERATION I Receiving DSC calls D D Receiving a distress call BUSY-25W---INT---CALL While monitoring Channel 70 and a distress call is received: LOCAL--DUP ➥ The emergency alarm sounds for 2 minutes. SCRAM--TAG ReceivedCAN • Push any key to stop the alarm. DistressACK ➥...
  • Page 47 DSC OPERATION D D Receiving an individual call D D Receiving a group call While monitoring Channel 70 and an individual call is re- While monitoring Channel 70 and a group call is received: ➥ The emergency alarm or beeps sound depending on the ceived: ➥...
  • Page 48 DSC OPERATION D D Receiving a position request call D D Receiving a polling request call While monitoring Channel 70 and a position request call is re- While monitoring Channel 70 and a polling request call is re- ceived: ceived: ➥...
  • Page 49 DSC OPERATION D D Receiving a position report reply call While monitoring Channel 70 and a position report reply call is received: ➥ “Received POS Reply” appears in the display. ➥ Push [ENT] to display the position information (that you have transmitted to other ship);...

  • Page 50: I Received Messages

    DSC OPERATION I Received messages w Rotate [CHANNEL] to scroll to the desired message, push The transceiver automatically stores up to 20 distress mes- sages and 20 other messages. The messages can be used [ENT]. as an assistance to the logbook. •...
  • Page 51 DSC OPERATION D D Other messages e Rotate [CHANNEL] to scroll the message. q Rotate [CHANNEL] to select “Other,” push [ENT]. • The stored message has various information and depending on --DSC Menu-- the type of distress call. Select Message ˘Distress --DSC Menu-- --DSC Menu--...

  • Page 52: I Dsc Set Mode

    DSC OPERATION I DSC set mode D D Add Individual ID/Group ID, Delete Individual r Set the offset time from the UTC (Universal Time Coordi- ID/Group ID (See pgs. 18–20 for details) nated) time. D D Offset time • Edit the digit of offset time directly with the keypad This item sets the offset time from the UTC (Universal Time •...

  • Page 53: Dsc Operation

    DSC OPERATION D D MMSI code check r Check the 9-digit MMSI (DSC self ID) code. The programmed 9-digit MMSI (DSC self ID) code can be checked in DSC set mode. --DSC Menu-- MMSI Check ˘123456789 q Push [MENU] to enter the DSC menu. w Rotate [CHANNEL] to select “Set up,”...

  • Page 54: Other Functions

    • “TALK” or “LISTEN” appears on the caller or listener function dis- CROPHONE play, respectively. • To adjust the IC-M602’s speaker output level, rotate [VOL]. Connect an optional HM-127 as described on p. 68. • To adjust the HM-127’s speaker output level, push after [VOL] •...

  • Page 55: I Hailer Operation

    OTHER FUNCTIONS I Hailer operation e After releasing [PTT] you can hear the response through The IC-M602 has a 2-way hailer function for voice amplifica- tion and reception over a loudspeaker, making it unnecessary the speaker. r To return to normal operation, push [CLR] or repeat step q.

  • Page 56: I Automatic Fog Horn

    OTHER FUNCTIONS I Automatic fog horn The automatic fog horn function sounds a horn repeatedly The fog horn outputs from the hailer speaker. To use this until the function is turned OFF. Four patterns are available function, the hailer speaker must be connected to the trans- for varying conditions.

  • Page 57: I Microphone Lock Function

    OTHER FUNCTIONS q Push [F], then push [8 ] to enter auto fog horn mode. BUSY-25W---INT---CALL w Rotate [CHANNEL] to select the desired fog horn pattern, LOCAL--DUP push [ENT]. SCRAM--TAG ReceivedCAN • ‘UNDERWAY,’ ‘STOP,’ ‘SAIL,’ ‘TOW’ are available. (p. 48) FOG HORN •...

  • Page 58: Set Mode

    SET MODE I Set mode programming q Turn power OFF. Set mode is used to change the conditions of the trans- w While pushing [16•9], turn power ON to enter set mode. ceiver’s functions: scan type (normal or priority), scan resume e After the display appears, release [16•9].

  • Page 59: I Set Mode Items

    SET MODE I Set mode items D D Weather alert A NOAA broadcast station transmits a weather alert tone be- D D Scan type fore important weather information. When the weather alert function is turned ON, the transceiver detects the alert, then The transceiver has 2 scan types: normal scan and priority flashes the “WX ALERT”...
  • Page 60 SET MODE D D Beep tone D D LCD contrast You can select silent operation by turning beep tones OFF, or This item adjusts the contrast of the LCD in 8 steps. you can have confirmation beeps sound at the push of a key --Set Mode-- by turning beep tones ON.

  • Page 61: Set Mode-

    SET MODE D D Automatic fog horn frequency Although the UT-98 is not listed on the option list, M602 The audio frequency of the automatic fog horn can be ad- would take UT-98 as well as UT-112. justed to suit your preference. While this item is selected, pushing [PTT] outputs the fog horn—experiment with the fre- D D Scrambler code quencies available until you find one you like.

  • Page 62: Connections And Maintenance

    CONNECTIONS AND MAINTENANCE I Supplied accessories I Antenna The following accessories are supplied A key element in the performance of any communication sys- tem is an antenna. Ask your dealer about antennas and the best place to mount them. I Fuse replacement One fuse is installed in the supplied DC power cable.

  • Page 63: I Connections

    CONNECTIONS AND MAINTENANCE I Connections r GPS RECEIVER/EXTERNAL SPEAKER JACK ➥Connects to a GPS receiver for position and time indi- cations. • An NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA, GNS, GLL) compatible GPS receiver is required. Ask your dealer about suitable GPS receivers.

  • Page 64: I Mounting The Transceiver

    CONNECTIONS AND MAINTENANCE I Mounting the transceiver • OVERHEAD MOUNTING D D Using the supplied mounting bracket Sponges to reduce The universal mounting bracket supplied with your transceiver vibration effects allows overhead or onboard mounting. • Mount the transceiver securely with the 4 supplied screws (M5 ×...
  • Page 65 Attach the clamps on either side of the IC-M602. An optional MB-75 is available for mounting FLUSH MOUNT • Make sure that the clamps align parallel to the IC-M602’s body. the transceiver to a flat surface such as an instrument panel. CAUTION: KEEP the transceiver and microphone at least 1 meter away from your vessel’s magnetic navigation...

  • Page 66: I Optional Unit Installation

    CONNECTIONS AND MAINTENANCE I Optional unit installation CAUTION: w Plug an optional unit (UT-112) to J3 on the AF unit as DISCONNECT the DC power cable from the transceiver before performing any work on the transceiver. shown below. Otherwise, there is danger of electric shock and/or equip- ment damage.

  • Page 67: I Dimensions

    CONNECTIONS AND MAINTENANCE I Dimensions 200.0 ( 7 ⁄ ˝) 31.4 78.0 220.0 (8 ⁄ ˝) ⁄ ˝) ⁄ ˝) Unit: mm (inch)

  • Page 68: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. No power comes ON. • Bad connection to the power supply. • Check the connection to the transceiver. p. 55 No sound comes from • Squelch level is too high. • Set squelch to the threshold point. p.

  • Page 69: Channel List

    CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive 156.050 160.650 19A 156.950 156.950 64A 156.225 156.225 83A 157.175 157.175 156.050 156.050 †...

  • Page 70: Specifications And Options

    SPECIFICATIONS AND OPTIONS I Specifications D D General D D Transmitter • Frequency coverage • RF output power : 25 W and 1 W Transmit 156.025–157.425 MHz • Modulation system : Variable reactance frequency Receive 156.050–163.275 MHz modulation • Mode : FM (16K0G3E) •...

  • Page 71: I Options

    SPECIFICATION AND OPTIONS I Options • MB-75 FLUSH MOUNT (p. 57) For mounting the transceiver to a panel. • UT-112 VOICE SCRAMBLER UNIT (pgs. 13, 53) Ensures private communications. 32 codes are available. Not available in some countries. • HM-127 REMOTE-CONTROL MICROPHONE (p. 64) External microphone-type controller.

  • Page 72: Hm-127 Remote-Control Microphone

    Push and hold to transmit; release to receive. e CHANNEL UP/DOWN KEYS [Y Y ]/[Z Z ] The optional HM-127 remotely controls the IC-M602 and pro- ➥ Push either key to change the operating channel, set vides an optional intercom function.
  • Page 73 • Some Channels are set to low power only. ➥ While pushing this key, other keys perform secondary (pgs. 46, 76) ➥ Calls the IC-M602 when pushed and held while in inter- functions. ➥ Toggles the all key lock function ON or OFF when com mode.

  • Page 74: I Function Display

    HM-127 REMOTE-CONTROL MICROPHONE I Function display ➥ In set mode, indicates the selected condition. (pgs. 50, ➥ “IC” appears during intercom mode. (pgs. 46, 76) !8 !7 r VOLUME INDICATOR (p. 71) Appears while audio output level is adjusted. TX BUSY CALL WX ALT t SQUELCH INDICATOR (p.

  • Page 75: I Hm-127 Supplied Accessories

    HM-127 REMOTE-CONTROL MICROPHONE I HM-127 supplied accessories !1 DUAL/TRI WATCH INDICATOR (pgs. 15, 74) “DUAL” appears during dualwatch; “TRI” during tri-watch. Accessories included with the HM-127: Qty. !2 WEATHER CHANNEL INDICATOR (pgs. 9, 70) q Connection cable (OPC-1000: 6 m; 20 ft) ...... 1 ➥...

  • Page 76: I Installation

    HM-127 REMOTE-CONTROL MICROPHONE I Installation w To use the supplied cable as a wall socket, follow the below steps. e Using the mounting base, carefully mark off the 2 spots The optional HM-127 can be connected to the transceiver di- where the cable and screws will be fastened.
  • Page 77 HM-127 REMOTE-CONTROL MICROPHONE Mounting base 5 mm; ⁄ ˝ 2 mm; ⁄ ˝ Gasket...

  • Page 78: I Channel Selection

    HM-127 REMOTE-CONTROL MICROPHONE I Channel selection D D Channel 16 D D U.S.A., International and Canadian channels q Push [16] to select Channel 16. q Push [CH/WX] to select a regular channel. w Push [CH/WX] to return to the • Push [CH/WX] again, if a weather channel appears. w Push [CH/WX•U/I/C], while pushing [H/L], to select a condition before selecting Chan- nel 16, or push [Y Y ] or [Z Z ] to se-...

  • Page 79: I Receiving And Transmitting

    HM-127 REMOTE-CONTROL MICROPHONE I Receiving and transmitting t Push and hold [PTT] to transmit, then speak into the mi- q Push [PWR] to turn power ON. crophone. w Push [VOL], then [Y Y ]/[Z Z ] to adjust audio output level. •...

  • Page 80: I Lock Functions

    HM-127 REMOTE-CONTROL MICROPHONE I Lock functions I Display backlighting The lock function electronically locks keys and switches to The function display and keys can be backlit for better visibil- prevent accidental changes and function access from the mi- ity under low light conditions. The backlighting condition can crophone.

  • Page 81: I Call Channel Programming

    HM-127 REMOTE-CONTROL MICROPHONE I Call channel programming I Optional voice scrambler operation q Push [CH/WX•U/I/C] several times while pushing [H/L] to select the D D Activating the scrambler desired channel group (USA, INT, q Select an operating channel, except for Channel 16, Chan- CAN) to be programmed.

  • Page 82: I Starting A Scan

    HM-127 REMOTE-CONTROL MICROPHONE I Starting a scan I Setting tag I Dualwatch/Tri- channels watch operation q Push [CH/WX•U/I/C] several times while pushing [H/L] to select the q Push [CH/WX•U/I/C] several times q Push [Y Y ]/[Z Z ] to select the desired channel group (USA, INT, CAN), if while pushing [H/L] to select the channel.

  • Page 83: I Set Mode Programming

    HM-127 REMOTE-CONTROL MICROPHONE I Set mode programming Set mode is used to change the condition of the transceiver’s • Beep tone “BEEP” ➥ Push [Y Y ] to turn ON, [Z Z ] to turn OFF the beep output. functions and the microphone’s own functions: Transceiver’s functions—...

  • Page 84: I Intercom Operation

    HM-127 REMOTE-CONTROL MICROPHONE I Intercom operation I Channel comments q Push [LO/DX•IC] for 1 sec. to ac- q Push [Y Y ]/[Z Z ] to select a channel to program the channel tivate the intercom function. comment. • “IC” appears in the channel readout. •...

  • Page 85: Template

    TEMPLATE HM-127 TEMPLATE 2 mm; ⁄ ˝ HM-127 24 to 27 (d) mm ⁄ to 1 ⁄ ˝) Unit: mm (inch)
  • Page 86 Count on us! A-6217H-1EX-w Printed in Japan 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan © 2002–2004 Icom Inc.

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