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Manual Icom IM422

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  • Icom IM422 - page 1

    INSTRUCTION MANUAL iM422 VHF MARINE TRANSCEIVER ...

  • Icom IM422 - page 2

    i FOREWORD Thank you for purchasing this Icom product. The IC-M422 VHF MARINE TRANSCEIVER is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product should provide you with years of trouble-free operation. We want to take a couple of moments of your time to thank you for making the IC-M422 your ...

  • Icom IM422 - page 3

    ii IN CASE OF EMERGENCY If your vessel requires assistance, contact other vessels and the Coast Guard by sending a Distress call on Channel 16. Or , transmit your Distress call using digital selective calling on Channel 70. NOTE A W ARNING STICKER is supplied with the transceiver . T o comply with FCC regulations, this sticker must be affixed in s ...

  • Icom IM422 - page 4

    iii RADIO OPERA T OR W ARNING Icom requires the radio operator to meet the FCC Requirements for Radio Frequency Expo- sure. An omnidirectional antenna with gain not greater than 9 dBi must be mounted a minimum of 5 meters (measured from the lowest point of the antenna) vertically above the main deck and all possible personnel. This is the minimum s ...

  • Icom IM422 - page 5

    iv FOREWORD ……………………………… i IMPORT ANT ……………………………… i EXPLICIT DEFINITIONS ………………… i IN CASE OF EMERGENCY …………… ii NOTE ……………………………………… ii RADIO OPERA TOR W ARNING………… iii T ABLE OF CONTENTS ………………… iv PRECAUTIONS …………? ...

  • Icom IM422 - page 6

    v PRECAUTIONS R W ARNING! NEVER connect the transceiver to an AC outlet. This may pose a fire hazard or result in an electric shock. CAUTION: Changes or modifications to this device, not ex- pressly approved by Icom Inc., could void your authority to operate this device under FCC regulations. NEVER connect the transceiver to a power source of more ...

  • Icom IM422 - page 7

    1 1 OPERA TING RULES D D PRIORITIES • Read all rules and regulations pertaining to priorities and keep an up-to-date copy handy . Safety and Distress calls take priority over all others. • Y ou must monitor Channel 16 when you are not operating on another channel. • False or fraudulent distress signals are prohibited and pun- ishable by law . ...

  • Icom IM422 - page 8

    2 P ANEL DESCRIPTION 2 ■ Front panel q CHANNEL 16/CALL CHANNEL KEY [16• 9 ] ➥ Push to select Channel 16. (p. 5) ➥ Push for 1 sec. to select Call channel. (p. 5) •“ CALL ” appears when Call channel is selected. ➥ Push for 3 sec. to enter Call channel programming con- dition when Call channel is selected. (p. 8) ➥ While pushing [CH/ ...

  • Icom IM422 - page 9

    3 2 P ANEL DESCRIPTION i PUBLIC ADDRESS/RX SPEAKER KEY [P A• RX ] ➥ Push to turn the Public Address mode ON or OFF . (p. 31) ➥ Push for 1 sec. to turn the RX Speaker mode ON or OFF . (p. 31) o SCAN KEY [SCAN• TA G ] (p. 1 1) ➥ Push to start and stop Normal or Priority scan. ➥ Push for 1 sec. to set or clear the displayed channel as a T ...

  • Icom IM422 - page 10

    4 2 P ANEL DESCRIPTION ■ Function display q CHANNEL COMMENT INDICA TOR ➥ Channel comment appears and scrolls if programmed. (p. 9) ➥ “ ” or “ ” blinks during Dualwatch or T ri-watch, re- spectively . (p. 12) ➥ “ ” or “ ” appears during Priority or Normal scan, respectively . (p. 1 1) ➥ In Set mode, indicates and scrolls th ...

  • Icom IM422 - page 11

    5 3 BASIC OPERA TION 2 3 ■ Channel selection ï ï Channel 16 Channel 16 is the distress and safety channel. It is used for establishing initial contact with another station and for emer- gency communications. Channel 16 is monitored during both Dualwatch and T ri-watch. While standing by , you must moni- tor Channel 16. ➥ Push [16• 9 ] momen ...

  • Icom IM422 - page 12

    6 3 BASIC OPERA TION ï ï U.S.A., international and Canadian channels The IC-M422 is pre-programmed with 57 U.S.A., 57 interna- tional and 61 Canadian channels. These channel groups may be specified for the operating area. q Push [CH/WX• DUAL ] to select a regular channel. • If a weather channel appears, push [CH/WX• DUAL ] again. w Push bo ...

  • Icom IM422 - page 13

    7 3 BASIC OPERA TION 3 ■ Receiving and transmitting CAUTION: T ransmitting without an antenna may dam- age the transceiver . q Push [VOL] for 2 sec. to turn power ON. w Set the audio and squelch levels. ➥ Rotate [SQL] fully counterclockwise in advance. ➥ Rotate [VOL] to adjust the audio output level. ➥ Rotate [SQL] clockwise until the noise ...

  • Icom IM422 - page 14

    8 3 BASIC OPERA TION ■ Call channel programming Call channel is used to select Channel 9 (default), however , you can program the call channel with your most often-used channels in each channel group for quick recall. q Push both [ Y ] and [ Z ] on the transceiver one or more times to select the desired channel group (U.S.A., In- ternational or C ...

  • Icom IM422 - page 15

    9 3 BASIC OPERA TION 3 ■ Channel comments Memory channels can be labeled with alphanumeric com- ments of up to 10 characters each for easy channel recogni- tion. Comments more than 7 characters long automatically scroll at the channel comment indicator after the channel selection. Capital letters, small letters (except f, j, k, p, s, v , x, z), 0 ...

  • Icom IM422 - page 16

    10 SCAN OPERA TION 4 ■ Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has Priority scan and Normal scan. When the Weather Alert function is turned ON, the previously selected (last used) weather channel is also checked while scanning. (p. 33) Set the T AG channels (scanned channel) ...

  • Icom IM422 - page 17

    11 4 SCAN OPERA TION 4 ■ Setting T AG channels For more efficient scanning, add the desired channels as T AG channels or clear the T AG for unwanted channels. Channels that are not tagged will be skipped during scanning. T AG channels can be assigned to each channel group (USA, INT , CAN) independently . q Push both [ Y ] and [ Z ] to select the ...

  • Icom IM422 - page 18

    12 DUAL W A TCH/TRI-W A TCH 5 ■ Description Dualwatch monitors Channel 16 while you are receiving another channel; T ri-watch monitors Channel 16 and the call channel while receiving another channel. Dualwatch/Tri-watch is convenient for monitoring Channel 16 when you are oper- ating on another channel. ■ Operation q Select Dualwatch or T ri-wa ...

  • Icom IM422 - page 19

    13 6 DSC OPERA TION 5 6 ■ MMSI code programming The 9-digit MMSI (Maritime Mobile Service Identity: DSC self ID) code can be programmed at power ON. This function is not available when the MMSI code has been programmed by the dealer . This code programming can be performed only twice. q T urn power OFF . w While pushing [DSC • POS ] , turn powe ...

  • Icom IM422 - page 20

    14 6 DSC OPERA TION ■ DSC Address ID A total of 100 DSC address IDs (9-digit) can be programmed and named with up to 7 characters. D Programming Address ID q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . e Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . r Push [ Y ] or [ Z ] ...

  • Icom IM422 - page 21

    15 6 DSC OPERA TION 6 D Deleting Address ID q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” and push [DSC • POS ] . e Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . • When no address ID is programmed, “ ” is displayed. r Push [ Y ] or [ Z ] to select the desired ID name for deleting and pu ...

  • Icom IM422 - page 22

    16 6 DSC OPERA TION ■ Distress call A Distress call should be transmitted, if in the opinion of the Master , the ship or a person is in distress and requires imme- diate assistance. NEVER USE THE DISTRESS CALL WHEN YOUR SHIP OR A PERSON IS NOT IN AN EMERGENCY . A DISTRESS CALL CAN BE USED ONL Y WHEN IMMEDIA TE HELP IS NEEDED. q Confirm no Distre ...

  • Icom IM422 - page 23

    17 6 DSC OPERA TION 6 ■ T ransmitting DSC calls T o ensure correct operation of the DSC function, please make sure you set the squelch correctly . (P . 7) D T ransmitting an Individual call The Individual call function allows you to transmit a DSC sig- nal to a specific ship only . q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ...

  • Icom IM422 - page 24

    18 6 DSC OPERA TION y Stands by on Channel 70 until an acknowledgement is re- ceived. • “ ” scrolls at the channel comment indicator . u When the acknowledgement ‘Able to comply’ is received, the specified channel (in step r ) is selected with beeps automatically . Or , when the acknowledgement ‘Unable to comply’ is received, the disp ...

  • Icom IM422 - page 25

    19 6 DSC OPERA TION 6 e Push [ Y ] or [ Z ] to select the acknowledgement “ ” or “. ” • When “ ” is selected, the reason “No Reason Given” will be transmitted. r Push [DSC • POS ] to enter selected Individual call acknowl- edgement. • “ ” appears at the channel comment indicator . t Push [DSC • POS ] to transmit the ackn ...

  • Icom IM422 - page 26

    D T ransmitting a Group call The Group call function allows you to transmit a DSC signal to a specific group only . q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . e Push [ Y ] or [ Z ] to select the desired pre-programmed Group address, push [DSC • POS ] . • The ID code must be set i ...

  • Icom IM422 - page 27

    21 6 DSC OPERA TION 6 D T ransmitting an All Ships call Large ships use Channel 70 as their ‘listening channel.’ When you want to announce a message to these ships, use the ‘ All Ships call’ function. q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ .” e Push [DSC • POS ] to enter the standby condition fo ...

  • Icom IM422 - page 28

    22 6 DSC OPERA TION D T ransmitting a Position Request call T ransmit a Position Request call when you want to know a specified ship’s current position, etc. q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . e Push [ Y ] or [ Z ] to select the desired pre-programmed In- dividual address. ...

  • Icom IM422 - page 29

    23 6 DSC OPERA TION 6 D T ransmitting a Position Report call T ransmit a Position Report call when you want to announce your own position to a specific ship and to get an answer , etc. q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . e Push [ Y ] or [ Z ] to select the desired pre-programm ...

  • Icom IM422 - page 30

    24 6 DSC OPERA TION D T ransmitting a Polling Request call T ransmit a Polling Request call when you want to know a specific ship is in the communication area, etc. q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ ,” push [DSC • POS ] . e Push [ Y ] or [ Z ] to select the desired pre-programmed In- dividual addr ...

  • Icom IM422 - page 31

    25 6 DSC OPERA TION 6 D T ransmitting a Position Request Reply call T ransmit a Position Request Reply call when a Position Re- quest call is received. q When a Position Request call is received, “ DSC ” appears and “ ” scrolls at the channel comment in- dicator . w Push [DSC • POS ] to reply to the Position Request call; push other key t ...

  • Icom IM422 - page 32

    26 6 DSC OPERA TION ■ Receiving DSC calls D Receiving a Distress call While monitoring Channel 70 and a Distress call is received: ➥ The emergency alarm sounds for 2 minutes. • Push any key to stop the alarm. ➥ “ DSC ” appears and “ ” scrolls at the channel comment indicator , then Channel 16 is selected automati- cally . ➥ Contin ...

  • Icom IM422 - page 33

    27 6 DSC OPERA TION 6 D Receiving a Group call While monitoring Channel 70 and a Group call is received: ➥ The emergency alarm or beeps sound for 2 minutes de- pending on the received category . • Push any key to stop the alarm or beeps. ➥ “ DSC ” appears and “ ” scrolls at the channel comment indicator . ➥ Push [DSC • POS ] to se ...

  • Icom IM422 - page 34

    28 6 DSC OPERA TION D Receiving a Position Request call While monitoring Channel 70 and a Position Request call is received: ➥ “ DSC ” appears and “ ” scrolls at the chan- nel comment indicator . ➥ The beeps sound for 2 minutes. • Push any key to stop the beeps. ➥ Push [DSC • POS ] to reply to the call; push any other key to ignor ...

  • Icom IM422 - page 35

    29 6 DSC OPERA TION 6 D Receiving a Position Report Reply call While monitoring Channel 70 and a Position Report Reply call is received: ➥ “ DSC ” and “ POS REPL Y ” appear in the display . • The ‘Latitude’ and ‘Longitude’ you have sent is displayed and scrolled at the channel comment indicator in order of Latitude co-ordinates ...

  • Icom IM422 - page 36

    30 OTHER FUNCTIONS 7 ■ Intercom operation The optional Intercom function allows you to talk to the deck from the cabin. The optional HM-157 COMMANDMIC II ™i s required for Intercom operation. Connect an optional HM-157 as described on pgs. 35, 52. • T ransmitting is impossible during Intercom operation. • The received signal is muted during ...

  • Icom IM422 - page 37

    31 7 OTHER FUNCTIONS 7 ■ Public Address (P A) function The IC-M422 has a Public Address function for voice amplifi- cation, making an announcement on-board via a P A speaker . Connect a P A speaker as described on p. 35. • T ransmitting is not possible during Public Address mode. q Push [P A • RX ] to enter the Public Address mode. w Push an ...

  • Icom IM422 - page 38

    32 SET MODE 8 ■ Set mode programming Set mode is used to change the conditions of the trans- ceiver ’s functions: Scan type, Scan resume timer , Weather alert, Dual/T ri-watch, DSC watch, Beep tone, LCD backlight, LCD contrast, Auto acknowledgement and Radio power .* Available functions may dif fer depending on dealer setting. q T urn power OFF ...

  • Icom IM422 - page 39

    33 8 SET MODE 8 D D Weather alert A NOAA broadcast station transmits a weather alert tone be- fore important weather information. When the Weather Alert function is turned ON, the transceiver detects the alert, then the “ WX AL T ” indicator blinks until the transceiver is operated. The previously selected (used) weather channel is checked any ...

  • Icom IM422 - page 40

    34 8 SET MODE D D LCD backlight The LCD backlight brightness can be adjusted from OFF , 1 (dark) to 7 (bright.) LCD backlight is also adjustable via [SCAN • TA G ] key . (p. 9) • “ ” scrolls at the channel comment indicator . D D LCD contrast The LCD contrast can be adjustable in 4 levels. 1 is the low- est contrast, and 4 is the highest co ...

  • Icom IM422 - page 41

    35 9 CONNECTIONS AND MAINTENANCE 8 9 ■ Connections q DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V battery . w EXTERNAL SPEAKER LEAD (Y ellow) Connects to an external speaker . e PUBLIC ADDRESS LEAD (Blue) Connects to a P A speaker . • P A output power: 4.5 W (typical) at 10% distortion with a 4 ...

  • Icom IM422 - page 42

    36 9 CONNECTIONS AND MAINTENANCE ■ Supplied accessories ■ Antenna A key element in the performance of any communication sys- tem is the antenna. Ask your dealer about antennas and the best place to mount them. ■ Fuse replacement One fuse is installed in the supplied DC power cable. If a fuse blows or the transceiver stops functioning, track d ...

  • Icom IM422 - page 43

    37 9 CONNECTIONS AND MAINTENANCE 9 ■ Optional MB-69 installation An optional MB-69 FLUSH MOUNT is available for mounting 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 com - pass. q Using the template on p. 55, carefully cu ...

  • Icom IM422 - page 44

    38 TROUBLESHOOTING 10 PROBLEM POSSIBLE CAUSE SOLUTION REF . No sound from speaker . • Squelch level is too high. • V olume level is too low . • Speaker has been exposed to water . p. 7 p. 7 — • Set [SQL] to the threshold point. • Set [VOL] to a suitable level. • Drain water from the speaker . The transceiver does not turn ON. • Bad ...

  • Icom IM422 - page 45

    39 11 SPECIFICA TIONS AND OPTIONS ■ Speci fi cations D D General • Frequency coverage : Tx 156.025–157.425 MHz Rx 156.050–163.275 MHz • Mode : FM (16K0G3E), DSC (16K0G2B) • Channel spacing : 25 kHz • Current drain (at 13.8 V) : TX high 5.5 A max. Max. audio 1.5 A max. • Power supply requirement : 13.8 V DC • Frequency stability : ...

  • Icom IM422 - page 46

    40 COMMANDMIC II ™ HM-157 12 ■ Panel description The optional HM-157 remotely controls the IC-M422 and pro- vides an optional Intercom function. D D Front and side keys q VOLUME/DIMMER/P A/RX SPEAKER KEY [VOL • P A/RX ] ➥ Push [ Y Y ] or [ Z Z ] to adjust the audio level after pushing [VOL • P A/RX ] (p. 45) ➥ Push [ Y Y ] or [ Z Z ] to ...

  • Icom IM422 - page 47

    41 12 COMMANDMIC II™ HM-157 12 e A TTENUA TOR/INTERCOM/SCRAMBLER KEY [LO/DX • SCR ] ➥ Push to toggle the Attenuator function ON or OFF . (p. 45) •“ LOCAL ” appears when the Attenuator function is turned ON. ➥ Push for 1 sec. to activate the Intercom function. (p. 50) ➥ Calls the IC-M422 when pushed and held while in Inter- com mode. ...

  • Icom IM422 - page 48

    42 12 COMMANDMIC II™ HM-157 D D T op keys q POWER KEY [PWR] (p. 45) Push for 2 sec. to turn the HM-157 power ON or OFF when the IC-M422 power is turned ON. w SCAN KEY [SCAN • ] (p. 48) ➥ Push to start and stop Normal or Priority scan when T AG channels are programmed. ➥ Push for 1 sec. to set the displayed channel as a T AG (scanned) channe ...

  • Icom IM422 - page 49

    43 12 COMMANDMIC II™ HM-157 12 y WEA THER CHANNEL INDICA TOR (pgs. 33, 44) ➥ “ WX ” appears when a weather channel is selected. ➥ “ WX AL T ” appears when the Weather Alert function is in use; blinks when an alert tone is received. u DUPLEX INDICA TOR (p. 44) Appears when a duplex channel is selected. i LOCAL INDICA TOR (p. 45) Appear ...

  • Icom IM422 - page 50

    44 12 COMMANDMIC II™ HM-157 ■ Channel selection D D Channel 16 q Push [16 • 9 ] to select Channel 16. w Push [CH/WX] to return to the condition before selecting Chan- nel 16, or push [ Y Y ] or [ Z Z ] to se- lect an operating channel. D D Call channel q Push [16 • 9 ] for 1 sec. to select call channel. w Push [CH/WX] to return to the condi ...

  • Icom IM422 - page 51

    45 12 COMMANDMIC II™ HM-157 12 ■ Receiving and transmitting q Push [PWR] for 2 sec. to turn power ON. w Set the audio and squelch levels. ➥ Push [SQL • L ] , then push [ Z Z ] until the noise ap- pears. ➥ Push [VOL • P A/RX ] , then push [ Y Y ] or [ Z Z ] to ad- just the audio output level. ➥ Push [SQL • L ] , then push [ Y Y ] unt ...

  • Icom IM422 - page 52

    46 12 COMMANDMIC II™ HM-157 ■ Call channel programming q While pushing [H/L] , push [CH/WX • U/I/C ] several times to select the desired channel group (USA, INT , CAN) to be pro- grammed. w Push [16 • 9 ] for 1 sec. to select call channel of the selected channel group. •“ CALL ” and call channel number ap- pear . e Push [16 • 9 ] ag ...

  • Icom IM422 - page 53

    47 12 COMMANDMIC II™ HM-157 12 ■ Display backlight The function display and keys can be backlit for better visibil- ity under low light conditions. The backlighting condition can also be adjusted independently from the transceiver . q Push [VOL • P A/RX ] for 1 sec. to enter the backlight adjusting mode. • “ ” with the number of the bac ...

  • Icom IM422 - page 54

    48 12 COMMANDMIC II™ HM-157 ■ Setting T AG channels q While pushing [H/L] , push [CH/WX • U/I/C ] several times to select the desired channel group (USA, INT or CAN). w Push [ Y Y ] or [ Z Z ] to select the desired channel to be set as a T AG channel. e Push [SCAN • ] for 1 sec. to set the displayed channel as a T AG channel. • “ ” ap ...

  • Icom IM422 - page 55

    49 12 COMMANDMIC II™ HM-157 12 ■ Set mode programming Set mode is used to change the condition of the transceiver’s functions and the microphone’s own functions: T ransceiver ’s functions— Scan type, Scan resume timer , Weather alert, Dual/T ri-watch, Beep tone* 1 , LCD backlight* 1 , LCD contrast* 1 and Radio PWR. Microphone’s own fu ...

  • Icom IM422 - page 56

    50 12 COMMANDMIC II™ HM-157 ■ Intercom operation q Push [LO/DX • SCR ] for 1 sec. to activate the Intercom function. w Push and hold [PTT] to talk. • “ ” appears at the channel comment indicator . e Release [PTT] to listen. • “ ” appears at the channel comment indicator when the trans- ceiver is in talking mode. r Push [LO/DX • ...

  • Icom IM422 - page 57

    51 12 COMMANDMIC II™ HM-157 12 ■ Channel comments q Push [ Y Y ] or [ Z Z ] to select a channel to program a channel comment. • While pushing [H/L] , push [CH/WX • U/I/C ] several times to select the channel group (USA, INT , CAN), if desired. w While pushing [CH/WX • U/I/C ] , push [16 • 9 ] . • A cursor and the first character star ...

  • Icom IM422 - page 58

    52 12 COMMANDMIC II™ HM-157 ■ Installation The optional HM-157 can be connected to the transceiver di- rectly , as well as via the supplied connection cable for longer distance remote operation. The connector of the connection cable can be installed into a cabinet, wall, etc., as a built-in plug. For longer distance remote operation, the option ...

  • Icom IM422 - page 59

    53 12 COMMANDMIC II™ HM-157 12 50 (d) mm; 1 31 ⁄ 32 ˝ 23 (d) mm; 29 ⁄ 32 ˝ 24 to 27 (d) mm ( 15 ⁄ 16 to 1 1 ⁄ 16 ˝ ) 5 mm; 3 ⁄ 16 ˝ Gasket Mounting base Cap Nut 2 mm; 3 ⁄ 32 ˝ ...

  • Icom IM422 - page 60

    54 CHANNEL LIST 13 Channel number USA CAN T ransmit Receive 01 156.050 160.650 01A 156.050 156.050 02 156.100 160.700 03 156.150 160.750 03A 156.150 156.150 156.200 160.800 04A 156.200 156.200 156.250 160.850 05A 05A 156.250 156.250 06 06 156.300 156.300 156.350 160.950 07A 07A 156.350 156.350 08 08 156.400 156.400 09 09 156.450 156.450 10 10 156.5 ...

  • Icom IM422 - page 61

    55 14 TEMPLA TE 13 14 Unit: mm (inch) 164 (6 15 ⁄ 32 ) 78 (3 1 ⁄ 16 ) 149 (5 7 ⁄ 8 ) 61.6 (2 7 ⁄ 16 ) R8 (Max.) HM-157 MB-69 24 to 27 (d) ( 15 ⁄ 16 to 1 1 ⁄ 16 ) 2 ( 3 ⁄ 32 ) Cut here ...

  • Icom IM422 - page 62

    ...

  • Icom IM422 - page 63

    57 MEMO ...

  • Icom IM422 - page 64

    1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6431D-1US- r Printed in Japan © 2005–2006 Icom Inc. Printed on recycled paper with soy ink. ...

Manufacturer Icom Category Marine Radio

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