Instruction/ maintenance manual of the product IM402A Icom
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INSTRUCTION MANUAL iM402A VHF MARINE TRANSCEIVER New2001 (REMOTE-CONTROL MIC COMP A TIBLE) iM402SA !IC-M402A_SA.qxd 03.11.11 2:51 PM Page A (1,1).
i New2001 FOREWORD Thank you for purchasing this Icom product. The IC-M402A/M402SA VHF MARINE TRANSCEIVERS are designed and built with Icom’s state of the art technology and crafts - manship. 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 PRECAUTION 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 modi fi cations 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 DISTRESS KEY [DISTRESS] T ransmits Distress call when pushed for 5 sec. (p. 17) w POWER/VOLUME CONTROL [VOL] T urns power ON and OFF and adjusts the audio level. ( p. 8) e SQUELCH CONTROL [SQL] Sets the squelch threshold level.
3 2 P ANEL DESCRIPTION New2001 u CHANNEL UP/DOWN KEYS [ Y Y ]/[ Z Z ]• [U/I/C] ➥ Selects the operating channels, Set mode settings, etc. (pgs. 6, 7, 30) ➥ While pushing [SCAN •T AG ] , push [ Y ] or [ Z ] to adjust the brightness of the LCD and key backlight.
4 2 P ANEL DESCRIPTION New2001 ■ Function display q CHANNEL NUMBER READOUT ➥ Indicates the selected operating channel number . • “” appears when a simplex channel is selected. “” appears when a receive only channel for a Canadian channel group is selected.
5 2 P ANEL DESCRIPTION New2001 !1 CHANNEL COMMENT INDICA TOR ➥ Channel comment appears if programmed. (p. 10) ➥ “” scrolls when the battery voltage drops to approx. 10 V DC or below . ➥ “” blinks during Dualwatch; “” blinks during T ri- watch.
6 BASIC OPERA TION New2001 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.
7 3 BASIC OPERA TION New2001 ï ï U.S.A.,Canadian and international channels The IC-M402A/M402SA are preprogrammed with 57 U.S.A., 61 Canadian and 57 international channels. These channel groups may be speci fi ed for the operating area. q Push [CH/WX• DUAL ] to select a regular channel.
8 3 BASIC OPERA TION New2001 ■ Receiving and transmitting CAUTION: T ransmitting without an antenna may dam- age the transceiver . q Rotate [VOL] to turn power ON. w Set the audio and squelch levels. ➥ Rotate [SQL] fully counterclockwise in advance.
9 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.
10 3 BASIC OPERA TION New2001 ■ Channel comments Memory channels can be labeled with alphanumeric com- ments of up to 10 characters each for easy channel recogni- tion. More than 6 characters comment scrolls automatically at the channel comment indicator after the channel selection.
11 4 DUAL W A TCH/TRI-W A TCH ■ 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 are convenient for monitor Channel 16 when you are operat- ing on another channel.
12 SCAN OPERA TION New2001 5 ■ 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 (used) weather channel is also checked while scan- ning.
13 5 SCAN OPERA TION New2001 ■ Setting tag channels For more efficient scanning, add desired channels as tag channels or clear the tag for unwanted channels. Channels are not tagged will be skipped during scanning. T ag channels can be assigned to each channel group (USA, INT , CAN) independently .
14 DSC OPERA TION New2001 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.
15 6 DSC OPERA TION New2001 ■ DSC individual ID A total of 30 DSC address IDs (9-digit) can be programmed and named with up to 5 characters. D Programming Address ID/Group ID q Push [DSC • IC ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ , ” and push [DSC • IC ] .
16 6 DSC OPERA TION New2001 D Deleting Address ID/Group ID q Push [DSC • IC ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “” and push [DSC • IC ] . e Push [ Y ] or [ Z ] to select “” , then push [DSC • IC ] . • When no address ID is programmed, “” is displayed.
17 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 .
18 6 DSC OPERA TION New2001 ■ T ransmitting DSC calls D T ransmitting Individual call The Individual call function allows you to transmit a DSC sig- nal to a speci fi c ship only . q Push [DSC • IC ] to enter the DSC menu. •“ ” scrolls at the channel comment indicator .
19 6 DSC OPERA TION New2001 t After transmitting the Individual call, stands by on Channel 70 until an acknowledgement is received. •“ ” scrolls at the channel comment indicator . y When the acknowledgement ( ‘ able to comply ’ ) is received, the specified channel (in step e ) is selected with beeps automatically .
20 6 DSC OPERA TION New2001 r Push [DSC • IC ] to enter selected Individual call acknowl- edgement. • “” appears at the channel comment indicator .
21 6 DSC OPERA TION New2001 r Push [ Y ] or [ Z ] to specify the desired intership channel, and push [DSC • IC ] . • Channel 70 is selected and “” appears. t Push [DSC • IC ] to transmit the Group call. • If Channel 70 is busy , the transceiver stands by until the channel becomes clear .
22 6 DSC OPERA TION New2001 D T ransmitting 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 • IC ] to enter the DSC menu.
23 6 DSC OPERA TION New2001 D T ransmitting 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 • IC ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ , ” then push [DSC • IC ] .
24 6 DSC OPERA TION New2001 D T ransmitting 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 • IC ] to enter the DSC menu. w Push [ Y ] or [ Z ] to select “ , ” and push [DSC • IC ] .
25 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 automatically se- lected.
26 6 DSC OPERA TION New2001 D Receiving an Individual call While monitoring Channel 70 and an Individual call is re- ceived: ➥ The emergency alarm or beeps sound depending on the received category . ➥ “ DSC ” appears and “” scrolls at the channel comment indicator .
27 6 DSC OPERA TION New2001 D Receiving an All Ships call While monitoring Channel 70 and an All Ships call is received: ➥ The emergency alarm sounds when the category is ‘ Dis- tress ’ or ‘ Urgency ’ ; 2 beeps sound for other categories. ➥ “ 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 . ➥ Push [DSC • IC ] to reply to the Position Request call; push any other key to ignore the Position Request call.
29 7 INTERCOM OPERA TION (IC-M402A only) 6 7 ■ Intercom operation The optional Intercom function allows you to talk to the deck from the cabin. The optional HM-127 REMOTE - CONTROL MICROPHONE is required for Intercom operation. Connect an optional HM-127 as described on pgs.
30 SET MODE New2001 8 ■ Set mode programming Set mode is used to change the conditions of the trans- ceiver ’ s functions: Scan type (Normal or Priority ,) Scan re- sume timer , Weather alert, Dual/T ri-watch, DSC watch, Beep tone (transceiver ,) LCD contrast and Auto ACK.
31 8 SET MODE New2001 ■ SET mode items D Scan type The transceiver has 2 scan types: Normal scan and Priority scan. Normal scan searches all tag channels in the selected channel group. Priority scan searches all tag channels in se- quence while monitoring Channel 16.
32 8 SET MODE New2001 D D DSC watch DSC watch monitors Channel 70 while you are receiving an- other channel. If a distress signal is received on Channel 70, the transceiver monitors Channel 16 and 70 alternately until the distress sig- nal disappears.
33 9 CONNECTIONS AND MAINTENANCE ■ Supplied accessories The following accessories are supplied: Qty . q Mounting bracket ………………………………………… 1 w DC power cable (OPC-891).
34 9 CONNECTIONS AND MAINTENANCE New2001 ■ Connections q DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V battery . w EXTERNAL MICROPHONE JACK (IC-M402A only) Connects to optional HM-127 REMOTE - CONTROL MICRO - PHONE .
35 9 CONNECTIONS AND MAINTENANCE New2001 ■ Mounting the transceiver D D Using the supplied mounting bracket The universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting.
36 9 CONNECTIONS AND MAINTENANCE New2001 ■ 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.
37 10 TROUBLESHOOTING 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. 8 p. 8 — • Set squelch to the threshold point. • Set [VOL] to a suitable level.
38 COMMANDMIC ® HM-127 New2001 11 ■ Panel description The optional HM-127 remotely controls the IC-M402A and provides an optional Intercom function. D D Front and side keys q PTT SWITCH [PTT] (pgs. 8, 43) Push and hold to transmit; release to receive.
39 11 COMMANDMIC ® HM-127 New2001 r CHANNEL/DUAL W A TCH/TRI-W A TCH KEY [CH/WX • U/I/C ] ➥ Selects and toggles the regular channels and weather channel when pushed momentarily . (pgs. 6, 7, 42) ➥ While pushing [H/L] , selects one of three channel groups in sequence when pushed.
40 11 COMMANDMIC ® HM-127 New2001 D D T op keys q POWER KEY [PWR] (pgs. 8, 43) Push for 2 sec. to turn the HM-127 power ON or OFF when the IC-M402A power is turned ON. w SCAN KEY [SCAN • ] (pgs. 13, 46) ➥ Starts and stops Normal or Priority scan when tag chan- nels are programmed.
41 11 COMMANDMIC ® HM-127 New2001 r VOLUME INDICA TOR (p. 43) Appears while audio output level is adjusted. t SQUELCH INDICA TOR (p. 43) Appears while noise squelch level is adjusted. y CHANNEL COMMENT INDICA TOR ➥ Channel comment appears (and scrolls) if programmed.
42 11 COMMANDMIC ® HM-127 New2001 ■ Channel selection D D Channel 16 q Push [16] 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.
43 11 COMMANDMIC ® HM-127 New2001 ■ Receiving and transmitting q Push [PWR] for 2 sec. to turn power ON. w Push [VOL] , then [ Y Y ] / [ Z Z ] to adjust audio output level. • Push [SQL] , then push [ Y Y ] / [ Z Z ] to mute any audio noise, if nec- essary .
44 11 COMMANDMIC ® HM-127 New2001 ■ Call channel programming q Push [CH/WX • U/I/C ] several times while pushing [H/L] to select the desired channel group (USA, INT , CAN) to be programmed. w Push [16 • 9 ] for 1 sec. to select call channel of the selected channel group.
45 11 COMMANDMIC ® HM-127 New2001 ■ Display backlighting 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 • ] for 1 sec.
46 11 COMMANDMIC ® HM-127 New2001 ■ Setting tag channels q While pushing [H/L] , push [CH/WX • U/I/C ] several times to select the channel group (USA, INT , CAN), if de- sired. w Push [ Y Y ] or [ Z Z ] to select the desired channel to set as a tag channel.
47 11 COMMANDMIC ® HM-127 New2001 ■ 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 funct.
48 11 COMMANDMIC ® HM-127 New2001 ■ Intercom operation q Push [LO/DX • SCR ] for 1 sec. to activate the Intercom function. •“ IC ” appears in the priority channel readout. • The channel comment disappears. w Push [PTT] to talk. •“ ” appears at the channel comment indicator .
49 11 COMMANDMIC ® HM-127 New2001 ■ HM-127 supplied accessories Accessories included with the HM-127: Qty . q Connection cable (OPC-1000: 6 m; 20 ft) ...................... 1 w Mounting base .........................................................
50 11 COMMANDMIC ® HM-127 New2001 ■ Installation The optional HM-127 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.
51 11 COMMANDMIC ® HM-127 New2001 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 ˝ 11 !IC-M402A_SA.
52 CHANNEL LIST New2001 New2001 12 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 53 13 SPECIFICA TIONS ■ Speci fi cations D D General • Frequency coverage : T ransmit 156.025 – 157.425 MHz Receive 156.050 – 163.275 MHz • Mode : FM (16K0G3E) DSC(16K0G2B) • Channel spacing : 25 kHz • Current drain (at 13.8 V) : TX high 5.
54 13 SPECIFICA TIONS New2001 ■ Dimensions Unit: mm (inch) 141.6 (5 9 16 ) 67 (2 5 8 ) 153 (6 1 32 ) 32.1 (1 1 4 ) 86.5 (3 13 32 ) 51 (2) 137 (5 13 32 ) !IC-M402A_SA.
55 14 TEMPLA TE 13 14 Unit: mm (inch) 153 (6 1 32 ) 139 (5 15 32 ) 67 (2 5 8 ) 53 (2 3 32 ) HM-127 MB-69 24 to 27 (d) ( 15 16 to 1 1 16 ) 2 ( 3 32 ) Cut here !IC-M402A_SA.
56 New2001 !IC-M402A_SA.qxd 03.11.11 2:52 PM Page 56 (1,1).
57 15 OPTIONS 15 New2001 • MB-69 FLUSH MOUNT KIT For mounting the transceiver to a panel. • MB-92 DUST COVER For attaching to the front panel of the transceiver to protect it when not in use. • SP-5 EXTERNAL SPEAKER A large, external speaker for superior audio output.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6322H-1US Printed in Japan © 2003 Icom Inc. New2001 !IC-M402A_SA.qxd 03.11.11 2:52 PM Page 58 (1,1).
An important point after buying a device Icom IM402A (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 IM402A 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 IM402A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Icom IM402A you will learn all the available features of the product, as well as information on its operation. The information that you get Icom IM402A will certainly help you make a decision on the purchase.
If you already are a holder of Icom IM402A, 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 IM402A.
However, one of the most important roles played by the user manual is to help in solving problems with Icom IM402A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Icom IM402A 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
