Instruction/ maintenance manual of the product IC-M422 Icom
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INSTRUCTION MANUAL New2001 iM422 VHF MARINE TRANSCEIVER !IC-M422.qxd 05.2.23 2:20 PM Page A (1,1).
i New2001 FOREWORD Thank you for purchasing this Icom product. The IC-M422 VHF MARINE TRANSCEIVERS are 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.
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 .
iii New2001 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.
iv New2001 FOREWORD ……………………………… i IMPORT ANT ……………………………… i EXPLICIT DEFINITIONS ………………… i IN CASE OF EMERGENCY …………… ii NOTE .
v New2001 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.
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.
2 P ANEL DESCRIPTION New2001 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.
3 2 P ANEL DESCRIPTION New2001 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.
4 2 P ANEL DESCRIPTION New2001 ■ 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 .
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.
6 3 BASIC OPERA TION New2001 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 speci fi ed for the operating area. q Push [CH/WX• DUAL ] to select a regular channel.
7 3 BASIC OPERA TION New2001 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.
8 3 BASIC OPERA TION New2001 ■ 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.
9 3 BASIC OPERA TION New2001 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.
10 SCAN OPERA TION New2001 4 ■ Scan types Scanning is an ef fi cient 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.
11 4 SCAN OPERA TION New2001 4 ■ Setting T AG channels For more ef fi cient 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 .
12 DUAL W A TCH/TRI-W A TCH New2001 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.
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.
14 6 DSC OPERA TION New2001 ■ 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 ] .
15 6 DSC OPERA TION New2001 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.
16 6 DSC OPERA TION New2001 ■ 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 .
17 6 DSC OPERA TION New2001 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 speci fi c ship only .
18 6 DSC OPERA TION New2001 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 .
19 6 DSC OPERA TION New2001 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.
D T ransmitting a Group call The Group call function allows you to transmit a DSC signal to a speci fi c 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 ] .
21 6 DSC OPERA TION New2001 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.
22 6 DSC OPERA TION New2001 D T ransmitting a Position Request call T ransmit a Position Request call when you want to know a speci fi ed ship ’ s current position, etc. q Push [DSC • POS ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ , ” push [DSC • POS ] .
23 6 DSC OPERA TION New2001 6 D T ransmitting a Position Report call T ransmit a Position Report call when you want to announce your own position to a speci fi c 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 ] .
24 6 DSC OPERA TION New2001 D T ransmitting a Polling Request call T ransmit a Polling Request call when you want to know a speci fi c 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 ] .
25 6 DSC OPERA TION New2001 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 .
26 6 DSC OPERA TION New2001 ■ 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 .
27 6 DSC OPERA TION New2001 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 .
28 6 DSC OPERA TION New2001 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.
29 6 DSC OPERA TION New2001 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 .
30 OTHER FUNCTIONS New2001 7 ■ Intercom operation The optional Intercom function allows you to talk to the deck from the cabin. The optional HM-157 COMMANDMIC II ™ is required for Intercom operation. Connect an optional HM-157 as described on pgs.
31 7 OTHER FUNCTIONS New2001 7 ■ Public Address (P A) function The IC-M422 has a Public Address function for voice ampli fi - cation, making an announcement on-board via an external speaker or hailer . Connect an external speaker or hailer as described on p.
32 SET MODE New2001 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 .
33 8 SET MODE New2001 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.
34 8 SET MODE New2001 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) ➥ While pushing [SCAN • TA G ] , • “” scrolls at the channel comment indicator .
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 or hailer speaker . e PUBLIC ADDRESS LEAD (Blue) Connects to an external speaker or hailer speaker .
36 9 CONNECTIONS AND MAINTENANCE New2001 ■ 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.
37 9 CONNECTIONS AND MAINTENANCE New2001 9 ■ Optional MB-69 installation An optional MB-69 FLUSH MOUNT is available for mounting the transceiver to a fl at 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.
38 TROUBLESHOOTING New2001 New2001 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.
New2001 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.
40 COMMANDMIC II ™ HM-157 New2001 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.
41 12 COMMANDMIC II ™ HM-157 New2001 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.
42 12 COMMANDMIC II ™ HM-157 New2001 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.
43 12 COMMANDMIC II ™ HM-157 New2001 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.
44 12 COMMANDMIC II ™ HM-157 New2001 ■ 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.
45 12 COMMANDMIC II ™ HM-157 New2001 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.
46 12 COMMANDMIC II ™ HM-157 New2001 ■ 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.
47 12 COMMANDMIC II ™ HM-157 New2001 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.
48 12 COMMANDMIC II ™ HM-157 New2001 ■ 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.
49 12 COMMANDMIC II ™ HM-157 New2001 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.
50 12 COMMANDMIC II ™ HM-157 New2001 ■ 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.
51 12 COMMANDMIC II ™ HM-157 New2001 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.
52 12 COMMANDMIC II ™ HM-157 New2001 ■ 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.
53 12 COMMANDMIC II ™ HM-157 New2001 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 ˝ !IC-M422.
54 CHANNEL LIST New2001 New2001 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.
New2001 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 !IC-M422.
!IC-M422.qxd 05.2.23 2:21 PM Page 56 (1,1).
57 MEMO New2001 !IC-M422.qxd 05.2.23 2:21 PM Page 57 (1,1).
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6431D-1US Printed in Japan © 2005 Icom Inc. New2001 !IC-M422.qxd 05.2.23 2:21 PM Page 58 (1,1).
An important point after buying a device Icom IC-M422 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Icom IC-M422 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Icom IC-M422 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Icom IC-M422 you will learn all the available features of the product, as well as information on its operation. The information that you get Icom IC-M422 will certainly help you make a decision on the purchase.
If you already are a holder of Icom IC-M422, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Icom IC-M422.
However, one of the most important roles played by the user manual is to help in solving problems with Icom IC-M422. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Icom IC-M422 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
