Icom IC-M424 Instruction Manual

Icom IC-M424 Manual

Get Icom IC-M424 PDF manuals and user guides View all Icom IC-M424 manuals
Add to My Manuals
Save this manual to your list of manuals

Icom IC-M424 manual content summary:

  • Icom IC-M424 | Instruction Manual - Page 1
    INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM423 iM424 This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.
  • Icom IC-M424 | Instruction Manual - Page 2
    this Icom product. The IC-M423/ IC-M424 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 appreciate you making the IC-M423/IC-M424 your radio of
  • Icom IC-M424 | Instruction Manual - Page 3
    IN CASE OF EMERGENCY If your vessel requires assistance, contact other vessels and the Coast Guard by sending a Distress call on Channel 16. USING CHANNEL 16 DISTRESS CALL PROCEDURE 1. "MAYDAY MAYDAY MAYDAY." 2. "THIS IS name of vessel). 3. Say your call sign or other description of the vessel (
  • Icom IC-M424 | Instruction Manual - Page 4
    OPERATOR WARNING Icom requires the radio operator to meet the FCC Requirements for Radio Frequency Exposure. An omnidirectional antenna with gain not MPE radius of the antenna, unless such persons (such as driver or radio operator) are shielded from antenna field by a grounded metallic barrier. The
  • Icom IC-M424 | Instruction Manual - Page 5
    AVERTISSEMENT POUR LES OPÉRATEURS RADIO 1 Icom exige que l'opérateur radio se conforme aux exigences de principal et de tout le personnel qui peut FIXÉE PAR LA FCC. 5 L'OPÉRATEUR RADIO EST RESPONSABLE D'ASSURER QUE LES LIMITES D'EXPOSITION MAXIMALE ADMISSIBLE SOIENT 6 s'y trouver. Il s'agit
  • Icom IC-M424 | Instruction Manual - Page 6
    radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio version transceiver. To comply with FCC regulations, this sticker must be affixed in such a location as to be readily seen from the operating controls of the radio
  • Icom IC-M424 | Instruction Manual - Page 7
    be guaranteed because of possible damage to the transceiver's case or the waterproof seal. * Except for the DC power connector, NMEA In/Out leads and AF Out leads. For U.S.A. only CAUTION: Changes or modifications to this device, not expressly approved by Icom Inc., could void your authority to
  • Icom IC-M424 | Instruction Manual - Page 8
    TABLE OF CONTENTS FOREWORD i IMPORTANT i EXPLICIT DEFINITIONS i IN CASE OF EMERGENCY ii RADIO OPERATOR WARNING iii AVERTISSEMENT POUR LES OPÉRATEURS RADIO...... iv FCC INFORMATION v NOTE v PRECAUTIONS vi TABLE OF CONTENTS vii 1 OPERATING RULES 1 2 PANEL DESCRIPTION 2−7 ■■Front panel 2 ■■
  • Icom IC-M424 | Instruction Manual - Page 9
    75 5 ■■Menu screen items 76 ■■Radio Settings items 77 6 ■■Configuration items 78 transceiver 86 12 ■■MB-132 installation 87 13 ■■Microphone installation 88 14 11 SPECIFICATIONS AND OPTIONS 90−91 ■■ Specifications 90 15 ■■ Options 91 16 12 CHANNEL LIST 92 13 TROUBLESHOOTING
  • Icom IC-M424 | Instruction Manual - Page 10
    for vessels in which a radio telephone is compulsory. However, even if you are not required to have these on hand it is your responsibility to be thoroughly acquainted with all pertinent rules and regulations. NOTE: Even though the transceiver is capable of operation on VHF marine channels 3, 21, 23
  • Icom IC-M424 | Instruction Manual - Page 11
    channels, Menu items, 3 Menu settings, and so on. (pp. 11, 75) ➥➥ While scanning, push to check Favorite channels, 4 change the scanning direction or manually resume a 5 scan. (p. 18) 6 t CLEAR KEY [CLEAR] (pp. 8, 13, 75) 7 Push to cancel the entered data, or to return to the previ- ous
  • Icom IC-M424 | Instruction Manual - Page 12
    Push to selects and toggles the regular channel and Weather channel. *Only U.S.A. and Australian version transceivers. Channel [ ]* (p. 9) Push to select a regular channel. *Only Chinese version transceiver. Public address [ ] (p. 73) Push to enter the PA (Public Address) mode. RX Speaker
  • Icom IC-M424 | Instruction Manual - Page 13
    [ ]* (p. 11) Push to turn the Attenuator function ON or OFF. • "LOCAL" appears when the Attenuator function is ON. *Only U.S.A. and Australian version transceivers. Log [ ] (p. 63) Push to enter "RCVD CALL LOG" in the DSC CALLS menu. PANEL DESCRIPTION 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  • Icom IC-M424 | Instruction Manual - Page 14
    group icon, U.S.A. "USA," International "INT" or Canadian "CAN" appears, depending on the transceiver version. ➥➥ "WX" appears when the weather channel is selected.* *Only U.S.A. and Australian version transceivers. 5 t CALL CHANNEL ICON (p. 9) Appears when the Call channel is selected. y DUPLEX
  • Icom IC-M424 | Instruction Manual - Page 15
    seconds instead of the current time, after 4 hours have passed from when the time was manually programmed. The manually programmed time is held for only 23.5 hours, and after that, "NO TIME" will Attenuator function is turned ON. 14 *Only U.S.A. and Australian version transceivers. 15 16 6
  • Icom IC-M424 | Instruction Manual - Page 16
    softkey, as shown below. Consult your Icom dealer for details concerning which functions are Push either key to check Favorite channels, change scan- ning direction or manually resumes a scan. (pp. 11, 18) e TRANSMIT POWER KEY [ transceiver: • [ ] appears instead of [ ]. • [ ] does not appear.
  • Icom IC-M424 | Instruction Manual - Page 17
    MMSI code programming The 9 digit MMSI (Maritime Mobile Service Identity: DSC self ID) code can be programmed CLEAR] twice to cancel the programming, and go to the normal operating screen. In this case, the transceiver cannot make a DSC call. To program the MMSI code, turn OFF the power, then turn it
  • Icom IC-M424 | Instruction Manual - Page 18
    displayed before you selected Channel 16, or push [∫](CH) or [√](CH) to select an operating channel. *[CHAN] appears only for Chinese version transceiver. DDCall channel Each regular channel group has a separate leisure use Call channel. The Call channel is monitored during Tri-watch. The Call
  • Icom IC-M424 | Instruction Manual - Page 19
    , International channels and Canadian channels. These channel groups may be specified for the operating area. qqPush [MENU]. wwRotate Dial or push to select "Radio Settings," and then push [ENT]. eeRotate Dial or push to select "CHAN Group," and then push [ENT]. rrRotate Dial or push to
  • Icom IC-M424 | Instruction Manual - Page 20
    level may be necessary. ttPush [LO/DX] to turn the receive Attenuator function ON or OFF, if necessary. • Only U.S.A. and Australian version transceivers. • "LOCAL" appears when the receive Attenuator function is ON. yyPush [HI/LO] to select the output power, if necessary. • "25W" appears
  • Icom IC-M424 | Instruction Manual - Page 21
    ✓✓ Information The Noise Cancel function reduces random noise components in the transmit and/or receive signal. See page 80 for details. Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in U.S.A. waters. IMPORTANT: To maximize the readability of your
  • Icom IC-M424 | Instruction Manual - Page 22
    4 BASIC OPERATION ■■Call channel programming You can program the Call channel with your most often-used channel in each channel group for quick recall. qqSelect the desired channel group (INT, USA or CAN) to be programmed. (p. 10) wwHold down [16/C] for 1 second to select the Call channel of the
  • Icom IC-M424 | Instruction Manual - Page 23
    microphone. This prevents 3 accidental channel changes and function access. 4 ➥➥While holding down [HI/LO] on the microphone, hold down 5 [PWR](Dial) to turn ON the transceiver and turn the Microphone Lock function ON or OFF. 6 7 8 9 10 [Y]/[Z] [HI/LO] 11 12 13 14 15 16 14
  • Icom IC-M424 | Instruction Manual - Page 24
    Push [VOL/SQL](Dial) one or more times to display the squelch adjustment screen. wwRotate [VOL/SQL](Dial) to adjust the squelch level. • T he transceiver has 11 squelch levels: OPEN is completely open; 10 is tight squelch; 1 is loose squelch. • If no key operation is performed for about 5 seconds
  • Icom IC-M424 | Instruction Manual - Page 25
    Dial to adjust the brightness of the LCD and key backlight, and then, push [ENT]. • If no key operation is performed for about 5 seconds, the transceiver sets the selected backlight level, and returns to the normal mode. When the Backlight function is assigned to the [VOL/ SQL](Dial): qqPush [VOL
  • Icom IC-M424 | Instruction Manual - Page 26
    5 SCAN OPERATION ■■Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has a Priority scan and a Normal scan. When the Weather Alert function is turned ON, the weather channel is also checked while scanning. (p. 78) PRIORITY SCAN
  • Icom IC-M424 | Instruction Manual - Page 27
    the setting. (Channel 16 is still monitored during a Priority scan.) 9 • Push [Y]/[Z] on either transceiver or microphone, to check the scanning Favorite channels, change the scanning direction or 10 manually resume the scan. 11 • A beep tone sounds and "16" blinks when a signal is received
  • Icom IC-M424 | Instruction Manual - Page 28
    6 DUALWATCH/TRI-WATCH ■■Description Dualwatch monitors Channel 16 while you are receiving on another channel; Tri-watch monitors Channel 16 and the Call channel while receiving another channel. Dualwatch and Tri-watch are convenient for monitoring Channel 16 when you are operating on another
  • Icom IC-M424 | Instruction Manual - Page 29
    7 DSC OPERATION ■■DSC address ID DDProgramming Individual ID A total of 100 DSC address IDs can be programmed and assigned a name of up to 10 characters. qqEnter "INDIVIDUAL ID" in the DSC SETTINGS menu. MENU ➪ DSC Settings  ➪ Individual ID (Push [MENU]) (Rotate Dial, then push [ENT].) wwPush
  • Icom IC-M424 | Instruction Manual - Page 30
    7 DSC OPERATION DDProgramming Group ID qqEnter "GROUP ID" in the DSC SETTINGS menu. MENU ➪ DSC Settings ➪ Group ID (Push [MENU]) (Rotate Dial, then push [ENT].) wwPush [ADD]. • The "GROUP ID" program screen is displayed. ttAfter entering the 9 digit code, push [ENT] or Dial to set it. • The
  • Icom IC-M424 | Instruction Manual - Page 31
    DSC OPERATION 7 DDDeleting Individual/Group ID qqEnter "INDIVIDUAL ID" or "GROUP ID" in the DSC SETTINGS menu. MENU ➪ DSC Settings ➪ Individual ID/Group ID (Push [MENU]) (Rotate Dial, then push [ENT].) • W hen no address ID is programmed, "No ID" is displayed. In this case, push [MENU] to
  • Icom IC-M424 | Instruction Manual - Page 32
    . They are automatically included when a GPS receiver compatible with the NMEA0183 ver. 2.0 or 3.01 format is connected. • Manual programming is disabled when a GPS receiver is connected. • Manually programmed position and time will be held for only 23.5 hours. qqEnter "POSITION INPUT" in the DSC
  • Icom IC-M424 | Instruction Manual - Page 33
    Distress call is transmitted. 1 eeAfter transmitting the call, the transceiver waits for an ac- 2 knowledgment call. 3 • T he Distress 4 mode), or DSC Cancel call is made. (p. 27) • Push [RESEND] to manually transmit the Distress repeat call. 5 • P ush then push [INFO] to display the
  • Icom IC-M424 | Instruction Manual - Page 34
    7 DSC OPERATION DDRegular call The nature of the Distress call should be included in the Distress call. qqEnter "DISTRESS CALL" in the DSC CALLS menu. MENU ➪ DSC Calls ➪ Distress Call (Push [MENU]) (Rotate Dial, then push [ENT].) wwSelect the nature of the distress using Dial or [Y]/[Z],
  • Icom IC-M424 | Instruction Manual - Page 35
    transceiver waits for an acknowledgment call. • T he Distress call is automatically transmitted every 3.5 to 4.5 minutes, until an acknowledgement is received ('Call repeat' mode), or DSC cancel call is made. (p. 27) • Push [RESEND] to manually T he latest GPS or manual input position is held for
  • Icom IC-M424 | Instruction Manual - Page 36
    7 DSC OPERATION DDDistress cancel call qqWhile waiting for an acknowledgment call, push [CANCEL]. rrThe Distress cancel call is transmitted. wwPush [CONTINUE]. • Push [BACK] to return to waiting for an acknowledgement call. ttChannel 16 is automatically selected. • Report your situation using
  • Icom IC-M424 | Instruction Manual - Page 37
    DSC CALLS menu. MENU ➪ DSC Calls ➪ Individual Call (Push [MENU]) (Rotate Dial, then push [ENT].) wwSelect the desired preprogrammed individual address, or "Manual Input," using Dial or [Y]/[Z], then push Dial or [ENT]. • The ID code for the Individual call can be set first. (p. 20) • W hen
  • Icom IC-M424 | Instruction Manual - Page 38
    to comply' is received, beeps sound and the screen below is displayed. yyPush [CALL] to transmit the Individual call. • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. Push [ALARM OFF] to stop the beeps and then select the intership channel specified in step
  • Icom IC-M424 | Instruction Manual - Page 39
    , push [EXIT] to return to the normal operating mode. ✓✓ Convenient! When the optional MA-500TR class b ais transponder is connected to your transceiver, you can transmit individual DSC calls to selected AIS targets on the transponder without needing to enter the target's MMSI code. See pages 70 and
  • Icom IC-M424 | Instruction Manual - Page 40
    7 DSC OPERATION DD Transmitting an Individual Acknowledgement (continued) eeSelect one of three options, then push [ENT]. rrThe Individual ACK confirmation screen is displayed. Push [CALL] to transmit an acknowledgement call. • Able to Comply : Make an acknowledgment call without any changes.
  • Icom IC-M424 | Instruction Manual - Page 41
    ENT]. • The ID code for the Group call can be set first. (p. 21) 7 • W hen "Manual Input" is selected, set the 8 digit ID code for the 8 group you wish to call. 9 10 channels are already preset into the transceiver in the recommended order. 15 16  + Continued on the next page. 32
  • Icom IC-M424 | Instruction Manual - Page 42
    7 DSC OPERATION DD Transmitting a Group call (continued) About Manual Inputting: Enter a desired group ID in the following way: • [CALL] to transmit the Group call. • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. yyAfter the Group call has been transmitted,
  • Icom IC-M424 | Instruction Manual - Page 43
    rrA confirmation screen appears. • Confirm the call contents. 2 3 4 5 6 ttPush [CALL] to transmit the All Ships call. 7 • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. 8 9 10 11 12 yyAfter the All Ships call has been transmitted, the following 13
  • Icom IC-M424 | Instruction Manual - Page 44
    a Position Request Call (U.S.A. and Australian version transceiver only) Transmit a Position Request Call when you ]) (Rotate Dial, then push [ENT].) wwSelect the desired preprogrammed individual address, or "Manual Input," using Dial or [Y]/[Z], then push Dial or [ENT]. • T he ID code
  • Icom IC-M424 | Instruction Manual - Page 45
    DSC OPERATION 7 rrPush [CALL] to transmit the Position Request Call. • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. ttAfter the Position Request Call has been transmitted, the following screen is displayed. yyWhen the acknowledgement
  • Icom IC-M424 | Instruction Manual - Page 46
    Position Report Call (U.S.A. and Australian version transceiver only) Transmit a Position Report Call when [MENU]) (Rotate Dial, then push [ENT].) wwSelect the desired preprogrammed individual address, or "Manual Input," using Dial or [Y]/[Z], then push Dial or [ENT]. • The ID code for the
  • Icom IC-M424 | Instruction Manual - Page 47
    clear. ttAfter the Position Report Call has been transmitted, the transceiver automatically returns to the normal operating mode. 1 When no GPS receiver is connected, and both position and 2 time have been manually programmed, the screen shown 3 below appears. Edit your latitude and longitude
  • Icom IC-M424 | Instruction Manual - Page 48
    Polling Request Call (U.S.A. and Australian version transceiver only) Transmit a Polling Request Call when [MENU]) (Rotate Dial, then push [ENT].) wwSelect the desired preprogrammed individual address, or "Manual Input," using Dial or [Y]/[Z], then push Dial or [ENT]. • The ID code for the
  • Icom IC-M424 | Instruction Manual - Page 49
    DSC OPERATION 7 rrPush [CALL] to transmit the Polling Request Call. • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. ttAfter the Polling Request Call has been transmitted, the following screen is displayed. yyWhen the acknowledgement
  • Icom IC-M424 | Instruction Manual - Page 50
    CALL" in the DSC CALLS menu. MENU ➪ DSC Calls ➪ Test Call (Push [MENU]) (Rotate Dial, then push [ENT].) wwSelect a desired preprogrammed individual address, or "Manual Input," then push Dial or [ENT]. • The ID code for the Individual call can be set first. (p. 20) • W hen
  • Icom IC-M424 | Instruction Manual - Page 51
    DSC OPERATION 7 rrPush [CALL] to transmit the Test call. • If Channel 70 is busy, the transceiver stands by until the channel becomes clear. ttAfter the Test call has been transmitted, the following screen is displayed. yyWhen the acknowledgement call
  • Icom IC-M424 | Instruction Manual - Page 52
    7 DSC OPERATION DDTransmitting a Test Acknowledgement call When the "TEST ACK" in DSC settings is set to 'Auto TX' (p. 66), the transceiver automatically transmits a reply call when receiving a Test call. Quick ACK: qqWhen a Test call is received, beeps sound and the screen shown below is
  • Icom IC-M424 | Instruction Manual - Page 53
    DSC OPERATION 7 Manual ACK: qqEnter "TEST ACK" in the DSC CALLS menu. MENU ➪ DSC Calls ➪ Test ACK (Push [MENU]) (Rotate Dial, then push [ENT].) • If no Test call
  • Icom IC-M424 | Instruction Manual - Page 54
    Reply call when a Position Request call is received. When the "POSITION ACK" in DSC Settings is set to 'Auto TX' (p. 66), the transceiver automatically transmits a reply call when receiving a Position Request call. Quick Reply: qqWhen a Position Request call is received, beeps sound and the screen
  • Icom IC-M424 | Instruction Manual - Page 55
    , and then returns to the normal operating mode. 2 3 4 5 6 7 When no GPS receiver is connected, and both position and time have been manually programmed, the screen shown 8 below appears. Edit your latitude and longitude position and 9 UTC time as follows: 10 11 12 13 ➥➥Push [CHG
  • Icom IC-M424 | Instruction Manual - Page 56
    7 DSC OPERATION DDTransmitting a Position Report Reply call Transmit a Position Report Reply call when a Position Report Request call is received. Quick Reply: qqWhen a Position Report Request call is received, beeps sound and the screen as shown below is displayed. Push [ALARM OFF] to stop the
  • Icom IC-M424 | Instruction Manual - Page 57
    DSC OPERATION 7 Manual Reply: qqEnter "POSITION REPORT REPLY" in the DSC CALLS menu. MENU ➪ DSC Calls ➪ Position Report Reply (Push [MENU]) (Rotate Dial, then push [ENT].) • If
  • Icom IC-M424 | Instruction Manual - Page 58
    Reply call when a Polling Request call is received. When the "POSITION ACK" in DSC Settings is set to 'Auto TX' (p. 66), the transceiver automatically transmits a reply call when receiving a Polling Request call. Quick Reply: qqWhen a Polling Request call is received, beeps sound and the screen
  • Icom IC-M424 | Instruction Manual - Page 59
    DSC OPERATION 7 Manual Reply: qqEnter "POLLING REPLY" in the DSC CALLS menu. MENU ➪ DSC Calls ➪ Polling Reply (Push [MENU]) (Rotate Dial, then push [ENT].) • If no Polling Request
  • Icom IC-M424 | Instruction Manual - Page 60
    operat- ing channel automatically switches to Channel 16. (p. 67) [IGN] ➥ Push to return to the normal operating mode. • The transceiver exits the DSC mode. • By pushing [PTT], the transceiver also exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. 51
  • Icom IC-M424 | Instruction Manual - Page 61
    . wwPush a softkey to select your desired action. [IGN] ➥ Push to return to the normal operating mode. • The transceiver exits the DSC mode. • By pushing [PTT], the transceiver also exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. 1 [INFO
  • Icom IC-M424 | Instruction Manual - Page 62
    . (p. 67) wwPush a softkey to select your desired action. Push [IGN] ➥ Push to return to the normal operating mode. • The transceiver exits the DSC mode. • By pushing [PTT], the transceiver also exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. 53
  • Icom IC-M424 | Instruction Manual - Page 63
    . wwPush a softkey to select your desired action. [IGN] ➥ Push to return to the normal operating mode. • The transceiver exits the DSC mode. • By pushing [PTT], the transceiver also exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. 1 [INFO
  • Icom IC-M424 | Instruction Manual - Page 64
    received Category. wwPush a softkey to select your desired action. [IGN] ➥ Push to ignore the Call and return to the normal operating mode. • The transceiver exits the DSC mode. • The Call is stored in the Received Call Log. • " " continues to blink and the Call is stored in the Received Call
  • Icom IC-M424 | Instruction Manual - Page 65
    . wwPush a softkey to select your desired action. 1 [IGN] ➥ Push to ignore the Call and return to the normal operat- 2 ing mode. 3 • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received 4 Call Log. 5 [INFO] 6 ➥ Push to display the
  • Icom IC-M424 | Instruction Manual - Page 66
    received Category. wwPush a softkey to select your desired action. [IGN] ➥ Push to ignore the Call and return to the normal operating mode. • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. [INFO] ➥ Push to display the Received
  • Icom IC-M424 | Instruction Manual - Page 67
    . wwPush a softkey to select your desired action. 1 [IGN] ➥ Push to ignore the Call and return to the normal operat- 2 ing mode. 3 • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received 4 Call Log. 5 [INFO] 6 ➥ Push to display the
  • Icom IC-M424 | Instruction Manual - Page 68
    the next screen may appear, depending on the received Category. [IGN] ➥ Push to ignore the Call and return to the normal operating mode. • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. [INFO] ➥ Push to display the Received call
  • Icom IC-M424 | Instruction Manual - Page 69
    . wwPush a softkey to select your desired action. 1 [EXIT] ➥ Push to ignore the Call and return to the normal operat- 2 ing mode. 3 • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received 4 Call Log. 5 [INFO] 6 ➥ Push to display the
  • Icom IC-M424 | Instruction Manual - Page 70
    the next screen may appear, depending on the received Category. [IGN] ➥ Push to ignore the Call and return to the normal operating mode. • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the Received Call Log. [INFO] ➥ Push to display the Received call
  • Icom IC-M424 | Instruction Manual - Page 71
    to ignore the Call and return to the normal operat- 2 ing mode. 3 • The transceiver exits the DSC mode. • " " continues to blink and the Call is stored in the 10 11 12 13 When "TEST ACK" is set to "Auto TX," the transceiver au- 14 tomatically replies to the Call. In that case, both the TX
  • Icom IC-M424 | Instruction Manual - Page 72
    2 minutes, the next screen may appear, depending on the received Category. wwPush a softkey to select your desired action. ■■Received Call log The transceiver automatically stores up to 50 distress messages and 50 other messages, and they can be used as a supplement to your logbook. • W hile in
  • Icom IC-M424 | Instruction Manual - Page 73
    DSC OPERATION 7 eePush [Y] or [Z] to select the desired item, then push [ENT]. • T he message in the unopened file has not been read. rrRotate Dial to scroll the DSC message contents. Rotate ttTo delete the displayed DSC message, push [DEL]. • The confirmation screen appears, then push [OK] to
  • Icom IC-M424 | Instruction Manual - Page 74
    DEL]. • The confirmation screen appears, then push [OK] to delete. yyPush [EXIT] to return to the normal operating mode. ■■Transmitted Call log The transceiver automatically stores up to 50 transmitted calls, and the logs can be used as a supplement to your logbook. qqEnter "TX CALL LOG" in the DSC
  • Icom IC-M424 | Instruction Manual - Page 75
    " or "Manual TX." When an Individual, Position Request, Polling Request or Test Call is received, the transceiver automatically transmits respectively. When "INDIVIDUAL ACK" is set to "Auto TX," the transceiver automatically transmits the Acknowledgment call including "Unable to Comply" (No Reason
  • Icom IC-M424 | Instruction Manual - Page 76
    the DSC Settings menu. (default) Auto (No Delay) : After receiving a Distress call, and [ACPT] is pushed on the confirmation screen, the transceiver immediately switches to Channel 16. 10 Second Delay : After receiving a Distress call, and [ACPT] is pushed on the confirma- tion screen, the
  • Icom IC-M424 | Instruction Manual - Page 77
    DSC OPERATION 7 D DSC Data Output Select an option for the DSC Data Output function. When receiving a DSC call, this function makes the transceiver send the DSC data from its NMEA Output port to a connected device. q E nter "DSC DATA OUTPUT" in the DSC Settings menu. MENU ➪ DSC Settings ➪ 
  • Icom IC-M424 | Instruction Manual - Page 78
    D Channel 70 Squelch level Set the squelch level on Channel 70. The transceiver has 11 squelch levels between 1 (loose squelch) and 10 (tight squelch) either or both TX and RX DSC circuits has a problem. In that case, you will have to send the transceiver to your nearest dealer for repair. 69
  • Icom IC-M424 | Instruction Manual - Page 79
    is automati- cally set to Routine. 5 See page 84 for connecting instructions. 6 To ensure correct operation of the DSC function, make sure you the detail screen of the AIS target is displayed. • Make sure the transceiver is in the normal operating mode. Oth- erwise, you cannot make an
  • Icom IC-M424 | Instruction Manual - Page 80
    "DSC Transmission COMPLETED." • Push [CLEAR] to return to the screen displayed before you entered the voice channel selection screen in step w. • T he transceiver stands by on Channel 70 until an acknowledgement is received. 'Able to comply' is received 'Unable to comply' is received Transponder
  • Icom IC-M424 | Instruction Manual - Page 81
    if the power is OFF. wwPush [INCM] to enter the Intercom mode. eeHold down [INCM CALL] to sound the intercom beeps. • T he transceiver and the command microphone sound beeps while holding down [INCM CALL]. • "CALL" appears. 1 rrAfter releasing [INCM CALL], hold down [PTT] and speak 2 into
  • Icom IC-M424 | Instruction Manual - Page 82
    . qqPush [RX ] to enter the RX Speaker mode. • The RX Speaker volume level adjustment screen is displayed. ■■PA (Public Address) function The transceiver has a PA function to make announcements through a PA speaker. Connect a PA speaker rated at more than 10 W at 10% distortion with a 4 ˘ load, as
  • Icom IC-M424 | Instruction Manual - Page 83
    , rotate Dial. eePush [EXIT] to return to the normal operating screen. While in the Horn mode, the transmit and receive functions are disabled. When the transceiver is transmitting, the Horn function is disabled. OTHER FUNCTIONS 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 74
  • Icom IC-M424 | Instruction Manual - Page 84
    operation Example: Set the channel group to "INT." qqPush [MENU]. Menu lists [Y]/[Z] [ENT] wwRotate Dial or push to select the root item (Radio Settings), and then push [ENT]. • If [∫] or [√] is continuously held down, the items are sequentially highlighted. eeRotate Dial or push to select
  • Icom IC-M424 | Instruction Manual - Page 85
    • Key Beep p. 78 • Remote ID p. 81 • Key Assignment p. 79 • COMMANDMIC SP*4 p. 82 10 • UTC Offset p. 80 11 12 DDMMSI/GPS Information The transceiver shows the programmed MMSI code and GPS 13 information*5. 14 If the code is not programmed, "NO DSC MMSI" is displayed. 15 16 76
  • Icom IC-M424 | Instruction Manual - Page 86
    9 MENU SCREEN OPERATION ■■Radio Settings items DDScan type The transceiver has two scan types; Normal scan and Europe version, a channel group suitable for your operating area can be selected. Depending on the transceiver version, INT, USA or CAN may be selectable. (Default: USA) See page 10
  • Icom IC-M424 | Instruction Manual - Page 87
    SCREEN OPERATION DDWeather alert A NOAA broadcast station transmits a weather alert tone before important weather information. "WX " blinks until the transceiver is operated after the transceiver detects the alert. • "WX " appears instead of "WX" when the function is set ON. (Default: OFF) ON with
  • Icom IC-M424 | Instruction Manual - Page 88
    it is displayed next to the selected option. For "Dial" assignment For "Softkeys" assignment* *[CHAN] appears instead of [CH/WX] only for Chinese version transceiver. rrPush [EXIT] to exit the Menu screen. • Push [CLEAR] or [BACK] to return to the previous screen. • Dial assignment The Audio
  • Icom IC-M424 | Instruction Manual - Page 89
    9 MENU SCREEN OPERATION • Softkeys assignment The desired function can be assigned as the softkey function. The assigned function can be used when its key icon is displayed. See page 3 for details of the assignable key functions. DDUTC Offset 1 Set the offset time between the UTC (Universal Time
  • Icom IC-M424 | Instruction Manual - Page 90
    9 MENU SCREEN OPERATION • RX Turn the receive Noise Cancel function ON or OFF. OFF : Turns OFF the function. (Default) 1 : The Noise Cancel function reduces random noise com- ponents in the received signal to approximately one half. 2 : The Noise Cancel function reduces random noise
  • Icom IC-M424 | Instruction Manual - Page 91
    the DSC, and no key operation occurs for this set period, the transceiver automatically returns to the normal operating screen. (Default: 10 min) and 69. (Default: 15) The Remote ID is included in the sentence of the Icom origi- 2 nal NMEA format. 3 4 5 6 7 DDCOMMANDMIC Speaker (Appears only
  • Icom IC-M424 | Instruction Manual - Page 92
    10 CONNECTIONS AND MAINTENANCE ■■Connections q y t r w e q ANTENNA CONNECTOR Connects to a marine VHF antenna cable's PL-259 con- nector. CAUTION: Transmitting without an antenna may damage the transceiver. w NMEA IN/OUT LEADS Brown: Talker B (Data-L) Connects to an NMEA In Negative
  • Icom IC-M424 | Instruction Manual - Page 93
    a PH M3 × 6 screw (not supplied). y COMMAND MICROPHONE JACK Connects to the optional Command microphone. (p. 88) 1 DDConnect to the MA-500TR 2 Connect the transceiver to the high-density D-Sub 15-pin connector of the MA-500TR using the OPC-2014* cable. Af- 3 ter connecting, an Individual DSC
  • Icom IC-M424 | Instruction Manual - Page 94
    the fuse blows or the transceiver stops functioning, track down the source of the problem, repair it, and replace Knob bolts Flat washers (M5) Screws (5×20 mm) Spring washers (M5) Microphone hanger and screws (3×16 mm) DC power cable (OPC-891A) Fuse rating: 10 A ■■Cleaning If the transceiver
  • Icom IC-M424 | Instruction Manual - Page 95
    . qqMount the bracket securely to a surface which is more than 10 mm thick and can support more than 5 kg using the 2 supplied screws (5 × 20 mm). wwAttach the transceiver to the bracket so that the face of the transceiver is at 90° to your line of sight when operating it. KEEP the
  • Icom IC-M424 | Instruction Manual - Page 96
    ) so that the clamps press firmly against the inside of the instrument control panel. ttTighten the locking nuts (counterclockwise) so that the transceiver is securely mounted in position, as shown below. yyConnect the antenna and power cable, then return the instrument control panel to its
  • Icom IC-M424 | Instruction Manual - Page 97
    -in plug on a cabinet or wall. To operate from even longer distances, the optional 6 meter long OPC-1541 extension cable can be used between the transceiver and the OPC-1540. Up to two OPC-1541 can be added. DDInstallation qqInsert the OPC-1540 cable connector into the command microphone jack
  • Icom IC-M424 | Instruction Manual - Page 98
    10 CONNECTIONS AND MAINTENANCE Mounting base Gasket Nut Cap 89
  • Icom IC-M424 | Instruction Manual - Page 99
    11 SPECIFICATIONS AND OPTIONS ■■Specifications DDGeneral • Frequency coverage USA and AUS versions : Tx 156.025-157.425 MHz Rx 156.050-163.275 MHz CHN version : Tx 156.025-157.425 MHz Rx 156.050-162.025 MHz • Mode : F M (16K0G3E), DSC (16K0G2B) • Channel spacing : 25 kHz •
  • Icom IC-M424 | Instruction Manual - Page 100
    DSC calls to a selected AIS targets. Approved Icom optional equipment is designed for optimal performance when used with an Icom transceiver. Icom is not responsible for the destruction or damage to an Icom transceiver in the event the Icom transceiver is used with equipment that is not manufactured
  • Icom IC-M424 | Instruction Manual - Page 101
    12 CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) 1 USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive 01 01 156.050 160.650 21 21 157.050
  • Icom IC-M424 | Instruction Manual - Page 102
    13 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does • Bad connection to the power supply. not turn ON. • Check the connection to the transceiver and p. 83 power supply. Little or no sound comes • Squelch level is set too high. from the speaker. • Volume level is
  • Icom IC-M424 | Instruction Manual - Page 103
    Cut here 62.4 (2 15⁄32) R12 (Max.) HM-195 29.5 to 31.5 (d) (1 5⁄32 to 1 1⁄4) 14 TEMPLATE 180 (7 3⁄32) 165.1 (6 1⁄2) 2 (3⁄32) 1 2 3 4 5 MB-132 6 7 82 (3 7⁄32) 8 9 10 11 12 13 14 Unit: mm (inch) 15 16 94
  • Icom IC-M424 | Instruction Manual - Page 104
  • Icom IC-M424 | Instruction Manual - Page 105
    MEMO
  • Icom IC-M424 | Instruction Manual - Page 106
    MEMO
  • Icom IC-M424 | Instruction Manual - Page 107
    MEMO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  • Icom IC-M424 | Instruction Manual - Page 108
    A-7011D-1EX-q Printed in Japan © 2012 Icom Inc. Printed on recycled paper with soy ink. 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
INSTRUCTION MANUAL
iM423
VHF MARINE TRANSCEIVER
iM424
This device complies with Part 15 of the FCC
Rules. Operation is subject to the condition that
this device does not cause harmful interference.