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Icom IC-M421 Instruction Manual

Other manuals for IC-M421: Instruction Manual
Manual is about: VHF MARINE TRANSCEIVER

Summary of IC-M421

  • Page 1

    Instruction manual new2001 im421 vhf marine transceiver !Ic-m421-3.Qxd 06.5.26 1:43 pm page a (1,1).

  • Page 2: D Features

    I new2001 foreword thank you for purchasing this icom product. The ic-m421 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 mome...

  • Page 3

    Ii new2001 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. Installation note the installation of this equipment should be made i...

  • Page 4: 0560

    Iii new2001 doc ce versions of the ic-m421 which display the “ce” symbol on the serial number seal, com- ply with the essential requirements of the eu- ropean radio and telecommunication terminal directive 1999/5/ec. This warning symbol indicates that this equip- ment operates in non-harmonised freq...

  • Page 5

    Iv new2001 table of contents foreword …………………………………………………………… i important …………………………………………………………… i explicit definitions ……………………………………………… i in case of emergency…………………………………………… ii installation note ………………………………………………… ii doc …………………………………………………………………… iii table of contents ……………………………………………… iv p...

  • Page 6

    V new2001 rwarning! Never connect the transceiver to an ac outlet. This may pose a fire hazard or result in an electric shock. Never connect the transceiver to a power source of more than 16 v dc or use reverse polarity. This will ruin the trans- ceiver. Never cut the dc power cable between the dc p...

  • Page 7: Operating Rules

    1 1 operating rules 1 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. • you must monitor channel 16 when you are not operating on another channel. • false or fraudulent distress signa...

  • Page 8: Panel Description

    2 panel description new2001 2 ■ panel description function display (p. 4) speaker q i !0 o w e u y t r q power/volume control [vol] (p. 8) ➥ rotate to turn the transceiver power on or off. ➥ rotate to adjust the audio level. W squelch control [sql] (p. 8) rotate to set the squelch threshold level. E...

  • Page 9

    3 2 panel description new2001 2 y scan/tag channel key [scan•tag] (p. 13) ➥ push to start and stop the normal or priority scan when tag channels are programmed. ➥ push for 1 sec. To set the displayed channel as a tag (scanned) channel. ➥ while pushing [hi/lo] located on the microphone, push for 3 se...

  • Page 10: ■ Function Display

    4 2 panel description new2001 ■ function display q channel number readout indicates the selected operating channel number. • “a” appears when a simplex channel is selected. (p. 7) w power indicator (p. 8) ➥ “25w” appears when high power is selected. ➥ “1w” appears when low power is selected. E busy/...

  • Page 11: ■ Microphone

    5 2 panel description new2001 2 o time zone indicator ➥ shows the current time data when a gps receiver is connected. ➥ “no time” appears when no gps receiver is con- nected and no time data is input manually. ➥ “local” appears when the offset time data is set. (p. 43) !0 low battery indicator “ ” b...

  • Page 12: Basic Operation

    6 basic operation new2001 3 ■ channel selection d d 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 tri-watch. While standing by, you must ...

  • Page 13

    7 3 basic operation new2001 3 d d international channels and u.S.A. Channels* the ic-m421 is pre-programmed with 57 international (int) channels in addition to 59 u.S.A. Channels*. These channel groups may be specified for the operating area. Q push [ch•dual] to select a regular channel. W push both...

  • Page 14

    8 3 basic operation new2001 ■ receiving and transmitting caution: transmitting without an antenna may damage the transceiver. Q rotate [vol] 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. ➥ rota...

  • Page 15

    9 3 basic operation new2001 3 ■ call channel programming you can program the call channel with your most often-used channel in each channel group for quick recall. Q push both [ ▲] and [▼] on the transceiver to se- lect the desired channel group (international and u.S.A.*) to be pro- grammed. *u.K. ...

  • Page 16: ■ Channel Comments

    10 3 basic operation new2001 ■ channel comments memory channels can be labelled with alphanumeric com- ments of up to 10 characters each for easy channel recogni- tion. More than 9 characters comment scrolls automatically at the channel comment indicator after the channel selection. Capital letters,...

  • Page 17: Dualwatch/tri-Watch

    11 4 dualwatch/tri-watch 3 4 ■ 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. ■ operation q select dualwatch or tri-watch in set mode. (p. 46) w push [ ▲] or [▼] to select the de...

  • Page 18: Scan Operation

    12 scan operation new2001 5 ■ scan types scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has priority scan and normal scan. Set the tag channels (scanned channel) before scanning. Clear the tag channels which inconveniently stop scanning, such as t...

  • Page 19: ■ Setting Tag Channels

    13 5 scan operation new2001 5 ■ setting tag channels for more efficient scanning, add the desired channels as tag channels or clear the tag for unwanted channels. Channels are not tagged will be skipped during scanning. Tag channels can be assigned to each channel group (interna- tional and u.S.A.*)...

  • Page 20: Dsc Operation

    14 dsc operation new2001 6 ■ mmsi code programming the 9-digit mmsi (maritime mobile service identity: dsc self id) code can be programmed at power on. This code programming can be performed only once. Q turn power off. W while pushing [menu], turn power on to enter mmsi code programming condition. ...

  • Page 21: ■ Mmsi Code Check

    15 6 dsc operation new2001 6 ■ mmsi code check the 9-digit mmsi (dsc self id) code can be checked. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “set up,” and push [ent]. E push [ ▲] or [▼] to select “mmsi check,” push [ent]. R check the 9-digit mmsi (dsc self id) code. T push [c...

  • Page 22: ■ Dsc Individual Id

    16 6 dsc operation new2001 ■ dsc individual id a total of 100 dsc address ids can be programmed and named with up to 10 characters. D d programming address id q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “set up,” and push [ent]. E push [ ▲] or [▼] to select “add:indv id,” push ...

  • Page 23

    17 6 dsc operation new2001 6 d d deleting address id q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “set up,” and push [ent]. E push [ ▲] or [▼] to select “del:indv id,” push [ent]. • when no address id is programmed, “no id” is displayed. Push [clr] to exit the condition. R push ...

  • Page 24

    18 6 dsc operation new2001 d d programming group id q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “set up,” and push [ent]. E push [ ▲] or [▼] to select “add:group id,” push [ent]. R push [ ▲] or [▼] to set the group id. • 1st digit ‘0’ is fixed for a group id. • push [ch•dual] o...

  • Page 25

    19 6 dsc operation new2001 6 d d deleting group id q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “set up,” and push [ent]. E push [ ▲] or [▼] to select “del:group id,” push [ent]. • when no group id is programmed, “no id” is displayed. Push [clr] to exit the condition. R push [ ▲...

  • Page 26

    20 6 dsc operation new2001 ■ position and time programming a distress call should include the ship’s position and time data. If no gps is connected, your position and utc (univer- sal time coordinated) time should be input manually. They are included automatically when a gps receiver (nmea0183 ver. ...

  • Page 27

    21 6 dsc operation new2001 6 r after setting the longitude data, push [ent] to set the time information appears. Set the current utc time with [ ▲] or [ ▼], then push [ent]. • push [ch•dual] or [16•c] to move the cursor forward or back- ward, respectively. • push [scan•tag] to clear the utc time dat...

  • Page 28: ■ Distress Call

    22 6 dsc operation 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. A distress call can be used only ...

  • Page 29

    23 6 dsc operation new2001 6 ➥ a distress alert contains (default); • nature of distress: undesignated distress • position data : gps or manual input position data held for 23.5 hrs or until the power is turned off. ➥ the distress call is repeated every 3.5–4.5 min., until re- ceiving an ‘acknowledg...

  • Page 30

    24 6 dsc operation new2001 when a gps receiver (nmea0183 ver. 2.0 or 3.01) is con- nected, next steps r, t (current position/time program- ming) do not appear. Go to step y. R the position information appears. Set your latitude data using [ ▲] or [▼]. After setting the latitude data, push [ent] to s...

  • Page 31: ■ Transmitting Dsc Calls

    25 6 dsc operation new2001 6 i after receiving the acknowledgment, reply using the mi- crophone. ➥ a distress alert contains (default); • nature of distress: selected nature of the distress • position data : gps or manual input position data held for 23.5 hrs or until the power is turned off. ➥ the ...

  • Page 32

    26 6 dsc operation new2001 r push [ ▲] or [▼] to select a desired intership channel or “manual input,” push [ent]. • intership channels are already preset into the transceiver in rec- ommending order. T push [ent] to transmit the individual call. • if channel 70 is busy, the transceiver stands by un...

  • Page 33

    27 6 dsc operation new2001 6 d d transmitting an individual acknowledgement when receiving an individual call, you can transmit an ac- knowledgement (‘able to comply’ or ‘unable to comply’) by using the on screen prompts (see page 38 for details). Alter- natively, you can send an acknowledgement thr...

  • Page 34

    28 6 dsc operation new2001 d d transmitting a group call the group call function allows you to transmit a dsc signal to a specific group only. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “group call,” and push [ent]. E push [ ▲] or [▼] to select the desired pre-programmed group...

  • Page 35

    29 6 dsc operation new2001 6 d d transmitting 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 [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “all ships call,” and push [...

  • Page 36

    30 6 dsc operation new2001 d d transmitting a position request call transmit a position request call when you want to know a specific ship’s current position, etc. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “position request,” and push [ent]. E push [ ▲] or [▼] to select the d...

  • Page 37

    31 6 dsc operation new2001 6 d d transmitting a position report call transmit a position report call when you want to announce your own position to a specific ship and to get an answer, etc. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “position report,” and push [ent]. E push [...

  • Page 38

    32 6 dsc operation new2001 t after setting the longitude data, push [ent] to set the time information appears. Set the current utc time with [ ▲] or [ ▼], then push [ent]. • push [ch•dual] or [16•c] to move the cursor forward or back- ward, respectively. • push [scan•tag] to clear the utc time data....

  • Page 39

    33 6 dsc operation new2001 6 d d transmitting a polling request call transmit a polling request call when you want to know a spe- cific ship is in the communication area, etc. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “polling request,” and push [ent]. E push [ ▲] or [▼] to s...

  • Page 40

    34 6 dsc operation new2001 d d transmitting a position reply call transmit a position reply call when a position request call is received. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “position reply,” and push [ent]. • “position reply” item appears after a position request call...

  • Page 41

    35 6 dsc operation new2001 6 t after setting the longitude data, push [ent] to set the time information appears. Set the current utc time with [ ▲] or [ ▼], then push [ent]. • push [ch•dual] or [16•c] to move the cursor forward or back- ward, respectively. • push [scan•tag] to clear the utc time dat...

  • Page 42

    36 6 dsc operation new2001 d d transmitting a polling reply call transmit a polling reply call when a polling request call is re- ceived. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “polling reply,” and push [ent]. • “polling reply” item appears after a polling request call is ...

  • Page 43: ■ Receiving Dsc Calls

    37 6 dsc operation new2001 6 ■ receiving dsc calls d d receiving a distress call while monitoring channel 70 and a distress call is received: ➥ the emergency alarm sounds for 2 minutes. • push [clr] to stop the alarm. ➥ “rcv distress” appears in the display, then channel 16 is automatically selected...

  • Page 44

    38 6 dsc operation new2001 d 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. ➥ “rcv indv” appears in the display. ➥ push [clr] to stop the beep, then push [ent] to reply the call...

  • Page 45

    39 6 dsc operation new2001 6 d d receiving a geographical area call while monitoring channel 70 and a geographical area call (for the area you are in) is received: ➥ emergency alarm or beeps sound depending on the re- ceived category. ➥ “rcv geograph” appears in the display. ➥ push [clr] to stop the...

  • Page 46

    40 6 dsc operation new2001 d d receiving a polling request call while monitoring channel 70 and a polling request call is re- ceived: ➥ “rcv poll req” appears in the display. ➥ push [clr] to stop the beep, then push [ent] to reply to the call; push [clr] to ignore the call. D d receiving a position ...

  • Page 47: ■ Received Messages

    41 6 dsc operation new2001 6 ■ received messages the transceiver automatically stores up to 20 distress mes- sages and 20 other messages. The messages can be used as an assistance to the logbook. Q push [menu] to enter the dsc menu. W push [ ▲] or [▼] to select “received calls,” and push [ent]. D d ...

  • Page 48

    42 6 dsc operation new2001 d d other messages q push [ ▲] or [▼] to select “other,” push [ent]. W push [ ▲] or [▼] to scroll to the desired message, push [ent]. • messages which are blinking have not read. E push [ ▲] or [▼] to scroll the message. • the stored message has various information and dep...

  • Page 49: ■ Dsc Set Mode

    43 6 dsc operation new2001 6 ■ dsc set mode d d mmsi code check (see p. 15 for detail) d d add address id (see p. 16 for detail) d d delete address id (see p. 17 for detail) d d offset time this item sets the offset time from the utc (universal time coordinated) time. Q push [menu] to enter the dsc ...

  • Page 50

    44 6 dsc operation new2001 d d automatic acknowledgement this item sets the automatic acknowledgement function on or off. When a position request, position report or polling request call is received, transceiver automatically transmits a position re- quest reply, position report reply or polling rep...

  • Page 51: Set Mode

    45 7 set mode 6 7 ■ set mode programming set mode is used to change the conditions of the trans- ceiver’s functions: scan type (normal or priority), scan resume timer, dual/tri-watch, transceiver’s beep tone, backlight and lcd contrast. Available functions may differ depending on dealer setting. Q t...

  • Page 52

    46 7 set mode new2001 d d dual/tri-watch select the watch function from dualwatch or tri-watch. (p. 11) d d beep tone you can select the silent operation by turning beep tones off, or you can have confirmation beeps sound at the push of a key by turning beep tones on. D d backlight the lcd backlight...

  • Page 53: Connections And Maintenance

    47 8 connections and maintenance 7 8 ■ supplied accessories the following accessories are supplied: qty. Q mounting bracket ………………………………………… 1 w dc power cable (opc-891) ……………………………… 1 e microphone hanger ……………………………………… 1 r knob bolts for mounting bracket ………………………… 2 t screws for mounting bracket ...

  • Page 54: ■ Connections

    48 8 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 speaker jack connects to an external speaker. E gps receiver jack connects to a gps receiver for position indication. • a nmea0...

  • Page 55

    49 8 connections and maintenance new2001 8 ■ mounting the transceiver d d using the supplied mounting bracket the universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting. • mount the transceiver securely with the 2 supplied screws (5 × 20) to a surface which i...

  • Page 56

    50 8 connections and maintenance new2001 ■ 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-...

  • Page 57: Troubleshooting

    51 9 troubleshooting 8 9 problem possible cause solution ref. No sound from speaker. • squelch level is too high. • volume 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. • drain water from the speaker. The tra...

  • Page 58: Channel List

    52 channel list new2001 10 • international channels ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) transmit receive transmit receive transmit receive transmit receive transmit receive transmit receive 01 156.050 160.650 11 156.550 15...

  • Page 59

    53 10 channel list new2001 10 • usa channels (for u.K. Version only) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) transmit receive transmit receive transmit receive transmit receive transmit receive transmit receive 01a 156.050 156...

  • Page 60: Specifications And Option

    54 specifications and option new2001 11 ■ specifications specifications are measured in accordance with en301 025. D d general • frequency coverage : transmit 156.000–161.450 mhz receive 156.000–163.425 mhz • mode : fm (16k0g3e) dsc (16k0g2b) • current drain (at 13.8 v) : tx high (25 w) 5.5 a max. A...

  • Page 61: Template

    55 12 template 11 12 unit: mm 164 78 149 61.6 r8 (max.) cut here !Ic-m421-3.Qxd 06.5.26 1:44 pm page 55 (1,1).

  • Page 62

    !Ic-m421-3.Qxd 06.5.26 1:44 pm page 56 (1,1).

  • Page 63: Dimensions

    57 dimensions 148 139.5 78 164 28.3 14.2 111.2 60.6 unit: mm !Ic-m421-3.Qxd 06.5.26 1:44 pm page 57 (1,1).

  • Page 64

    1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-6380d-1eu-e printed in japan © 2004–2006 icom inc. New2001 ger aut gbr irl nor fra ned bel lux esp por ita gre swe den fin sui !Ic-m421-3.Qxd 06.5.26 1:44 pm page 58 (1,1).