Icom ic-m423g User Manual Download

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INSTRUCTION MANUAL

VHF MARINE TRANSCEIVERS

This device complies with Part 15 of the FCC
Rules. Operation is subject to the condition that
this device does not cause harmful interference.

|M423

|M423G

|M423GE

|M424

|M424G

IC-M423G

Summary of Contents for ic-m423g

Page 1: ...MANUAL VHF MARINE TRANSCEIVERS This device complies with Part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference M423 M423G M423GE M424 M42...

Page 2: ...injury fire hazard or electric shock may occur CAUTION Equipment damage may occur NOTE If disregarded inconvenience only No risk of personal injury fire or electric shock CLEAN THE TRANSCEIVER AND MIC...

Page 3: ...agnetic field exposure limits 1999 519 EC The maximum RF power available from this device is 25 watts The antenna should be installed as high as possible for maximum efficiency and the installation he...

Page 4: ...ransmit with radio and antenna when persons are within the MPE radius of the antenna unless such persons such as driver or radio operator are shielded from antenna field by a grounded metallic barrier...

Page 5: ...de de la radio et de l antenne lorsque des personnes se trouvent l int rieur du rayon d exposition maximale admissible de cette antenne moins que ces personnes comme le conducteur ou l op rateur radio...

Page 6: ...rique de classe A conform ment au point 15 de la r glementation FCC Ces limites sont d finies de fa on fournir une protection raisonnable contre le brouillage pr judiciable lorsque cet appareil est ut...

Page 7: ...could cause bodily injury KEEP the transceiver and microphone at least 1 m away from the vessel s magnetic navigation compass DO NOT use or place the transceiver in areas with tem peratures below 20 C...

Page 8: ...essures corporelles MAINTENIR l metteur r cepteur et le microphone au moins 1 m tre du compas de route magn tique du navire NE PAS utiliser ou placer l metteur r cepteur dans des zones o la temperatur...

Page 9: ...eaker Microphone 8 3 PREPARATION 9 10 Entering the MMSI code 9 Entering the ATIS code For Dutch and German version transceivers 10 4 BASIC OPERATION 11 18 Selecting a Channel 11 Receiving and transmit...

Page 10: ...er 72 Using the PA Public Address 72 Using the Horn 73 9 MENU SCREEN OPERATION 74 83 Using the Menu screen 74 Menu screen items 75 Radio Settings items 76 Configuration items 78 10CONNECTIONS AND MAIN...

Page 11: ...purposes 2 OPERATOR S LICENSE A Restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is not required for safety purposes If required th...

Page 12: ...14 74 While scanning push to check Favorite channels change the scanning direction or manually resume a scan p 20 t CLEAR KEY CLEAR pp 9 16 74 Push to cancel the entered data or to return to the previ...

Page 13: ...to start Dualwatch or Tri watch Push to stop Dualwatch or Tri watch when either is ac tivated High Low p 14 Push to set the power to high or low Some channels are set to only low power Channel Weathe...

Page 14: ...d down for 3 seconds to clear or set all Favorite channels in the selected channel group Name p 16 Push to enter the channel name entry mode Backlight p 18 Push to enter the LCD and key backlight brig...

Page 15: ...r DSC depending on the version WX is displayed when the weather channel is select ed For only USA and Australian version transceivers t CALL CHANNEL ICON p 11 Displayed when the Call channel is select...

Page 16: ...current time is invalid will blink every 2 seconds instead of the current time After 23 5 hours has passed NO TIME is displayed will blink every 2 seconds instead of the current time after 4 hours ha...

Page 17: ...d when no GPS receiver is connected and no position is manually entered 8 SCAN INDICATOR SCAN 16 is displayed during a Priority scan SCAN is displayed during a Normal scan p 20 DUAL 16 is displayed du...

Page 18: ...a scan pp 14 20 e TRANSMIT POWER KEY H L Push to toggle the power high or low p 14 Some channels are set to only low power While holding down H L turn ON the power to turn the Microphone Lock function...

Page 19: ...code turn OFF the power then turn it ON again e e Enter your MMSI code in the following way Select a desired number using Dial or Push ENT or Dial to set it To move the cursor select either arrow or t...

Page 20: ...ur ATIS code in the following manner Select a desired number using Dial or Push ENT or Dial to set it To move the cursor select either arrow or then push ENT or Dial r r Repeat step e to enter all 10...

Page 21: ...3 IC M423G IC M423GE except for Australian version D D Call channel Each regular channel group has a separate leisure use Call channel The Call channel is monitored during Tri watch The Call channel d...

Page 22: ...or push to select CHAN Group and then push ENT r r Rotate Dial or push to select the desired channel group and then push ENT USA USA International INT CAN Canada ATIS or DSC channel groups may be sel...

Page 23: ...nnel or while scanning p 19 q q Push CH WX once or twice to select a weather channel WX is displayed when a weather channel is selected WX is displayed when the Weather Alert function is ON p 77 w w P...

Page 24: ...en low power is selected Choose low power for short range communications choose high power for longer distance communications Some channels are for only low power u u Hold down PTT to transmit then sp...

Page 25: ...or squelch adjustment screen w w Rotate VOL SQL Dial or push to adjust the volume or squelch level The transceiver has 20 volume levels and OFF The transceiver has 11 squelch levels OPEN is completely...

Page 26: ...s the Call channel Push CLEAR to cancel Entering a Channel name Enter a name of up to 10 characters Capital letters 0 to 9 some symbols _ and a space can be entered q q Push CH to select a channel Fir...

Page 27: ...ction electrically locks 16 C 1 and the H L 2 keys on the supplied microphone This prevents accidental channel changes and function ac cess 1For only the IC M423G IC M423GE and IC M424G 2 HI LO is pri...

Page 28: ...Dial one or more times to display the backlight adjustment screen w w Rotate VOL SQL Dial to adjust the brightness of the LCD and key backlight and then push ENT The desired function can be assigned...

Page 29: ...nu screen p 76 PRIORITY SCAN The Priority scan sequentially searches through all Favor ite channels while monitoring Channel 16 When a signal is detected on Channel 16 the scan pauses until the signal...

Page 30: ...et all channels as Favorite channels Starting a scan First set the scan type Priority or Normal scan and scan resume timer in the Menu screen p 76 q q Select the desired channel group p 12 w w Set the...

Page 31: ...TRI 16 is displayed during Tri watch A beep tone sounds when a signal is received on Channel 16 r r To cancel Dualwatch or Tri watch push DW again DUALWATCH TRI WATCH SIMULATION Dualwatch Tri watch Ca...

Page 32: ...other than 0 for a Group ID The first two digits are 0 for any Coast station ID r r Repeat step e to enter all 9 digits t t After entering the 9 digit code push ENT or Dial to set it The ID name entr...

Page 33: ...her than 0 for a Group ID The first two digits are 0 for any Coast station ID r r Repeat step e to enter the specific 9 digits group code t t After entering the 9 digit code push ENT or Dial to set it...

Page 34: ...ntered No ID is displayed In this case push MENU to exit the MENU screen w w Rotate Dial or push Y Z to select a desired ID name then push DEL e e Push OK to delete the ID and return to the INDIVIDUAL...

Page 35: ...position using Dial or Y Z Select a desired number using Dial or Y Z Push ENT or Dial to set it To move the cursor select either arrow or then push ENT or Dial Select N North latitude or S South latit...

Page 36: ...elected and the Distress call is transmitted w w After transmitting the call the transceiver waits for an ac knowledgment call The Distress call is automatically transmitted every 3 5 to 4 5 minutes u...

Page 37: ...drift Abandoning ship Piracy or Man Overboard are selectable The nature of the distress is stored for 10 minutes after select ing Push EXIT to return to the normal operating mode Push BACK to return t...

Page 38: ...istress Selected in step w Position information The latest GPS or manually entered position is held for 23 5 hours or until the power is turned OFF When no GPS receiver is connected and built in GPS r...

Page 39: ...n acknowledgement call e e Push FINISH Push EXIT to return to waiting for an acknowledgement call r r The Distress cancel call is transmitted t t Channel 16 is automatically selected Report your situa...

Page 40: ...in step e is dis played after 10 seconds Push IGN to ignore the call and return to the normal operating mode Push INFO to display the Distress Relay Call information Push PAUSE to pause the countdown...

Page 41: ...all Push EXIT to return to the normal operating mode The exit confirmation dialog p 29 is displayed Push BACK to return to the previous screen t t The Distress Relay Acknowledgement is transmitted y C...

Page 42: ...en Manual Input is selected enter a desired 9 digit MMSI ID code for the individual you wish to call Push EXIT to return to the normal operating mode Push BACK to return to the previous screen About M...

Page 43: ...lear y y Standby on Channel 70 until an acknowledgement is received Push EXIT to return to the normal operating mode Only USA version the exit confirmation dialog p 29 is displayed Only USA version pu...

Page 44: ...onnected to your transceiver you can make in dividual DSC calls to selected AIS targets on the transponder without needing to enter the target s MMSI code See pages 69 and 70 for more details Unreleas...

Page 45: ...if set See page 65 for details Propose New Channel You can make an acknowledgement call but you specify the intership chan nel Select a desired intership channel using Dial or Y Z then push ENT r r Th...

Page 46: ...to return to the previous screen e e Do steps e to u as described in Quick ACK beginning on the previous page D D Making a Group call The Group call function allows you to make a DSC signal to only a...

Page 47: ...s 0 and the second digit is other than 0 for a Group ID The first two digits are 0 for any Coast station ID r r A confirmation screen is displayed Confirm the call contents t t Push CALL to make a Gro...

Page 48: ...EXIT to return to the normal operating mode Push BACK to return to the previous screen e e Select a desired traffic channel using Dial or Y Z then push Dial or ENT The selected channel is displayed r...

Page 49: ...Position Request Call can be entered first p 22 When Manual Input is selected enter a desired 9 digit MMSI ID code for the individual you wish to call Push EXIT to return to the normal operating mode...

Page 50: ...yed Push EXIT to return to the normal operating mode Only USA version the exit confirmation dialog p 29 is displayed Only USA version push RESEND to resend the call y y When the acknowledgement call i...

Page 51: ...code for the Individual call can be entered first p 22 When Manual Input is selected enter a desired 9 digit MMSI ID code for the individual you wish to call Push EXIT to return to the normal operatin...

Page 52: ...ing valid position data and both position and time have been manually entered the screen as shown below is displayed Edit your latitude and longitude position and UTC time as follows For only the IC M...

Page 53: ...r the Individual call can be entered first p 22 When Manual Input is selected enter a desired 9 digit MMSI ID code for the individual you wish to call Push EXIT to return to the normal operating mode...

Page 54: ...d Push EXIT to return to the normal operating mode Only USA version the exit confirmation dialog p 29 is displayed Only USA version push RESEND to resend the call y y When the acknowledgement call is...

Page 55: ...or the Individual call can be entered first p 22 When Manual Input is selected enter the 9 digit MMSI ID code for the individual you wish to call Push EXIT to return to the normal operating mode Push...

Page 56: ...eturn to the normal operating mode Only USA version the exit confirmation dialog p 29 is displayed Only USA version push RESEND to resend the call y y When the acknowledgement call is received alarm s...

Page 57: ...layed Push ALARM OFF to stop the alarm w w Push ACK Push EXIT to return to the normal operating mode Push INFO to display the Test call information About Received call information Push EXIT to return...

Page 58: ...TEST ACK item will not be displayed Push EXIT to return to the normal operating mode Push BACK to return to the previous screen w w Select a desired Test call to reply to using Dial or Y Z then push...

Page 59: ...ceived alarm sounds and the screen shown below is displayed Push ALARM OFF to stop the alarm w w Push ACK Push EXIT to return to the normal operating mode Push INFO to display the Test call informatio...

Page 60: ...e transmitting the reply call the screen shown below is displayed and then returns to the normal operating mode When no GPS receiver is connected and built in GPS re ceiver is not receiving valid posi...

Page 61: ...he alarm w w Push ACK Push EXIT to return to the normal operating mode Push INFO to display the Position Report Request call informa tion About Received call information Push EXIT to return to the nor...

Page 62: ...normal operating mode Push BACK to return to the previous screen w w Select a desired Position Report Request call to reply to using Dial or Y Z then push Dial or ENT e e The Position Report Reply ca...

Page 63: ...alarm sounds and the screen as shown below is displayed Push ALARM OFF to stop the alarm w w Push ACK Push EXIT to return to the normal operating mode Push INFO to display the Polling Request call inf...

Page 64: ...ling Reply item will not be displayed Push EXIT to return to the normal operating mode Push BACK to return to the previous screen w w Select a desired Polling Request call to be replied using Dial or...

Page 65: ...pause the countdown The softkey is displayed if the CH Auto Switch item in the DSC SET menu p 66 is set to 10 sec Push RESUME to resume the countdown The call is saved in the received call log ACPT Pu...

Page 66: ...tem in the DSC SET menu p 66 is set to 10 sec Push RESUME to resume the countdown The call is saved in the received call log ACPT Push to accept the call And then push CH 16 to change the operating ch...

Page 67: ...s stored in the Received Call Log INFO Push to display the Received call information p 63 PAUSE For only USA version transceivers Push to pause the countdown The softkey is displayed if the CH Auto Sw...

Page 68: ...o blink and the Call is stored in the Received Call Log INFO Push to display the Received call information p 63 PAUSE For only USA version transceivers Push to pause the countdown The softkey is displ...

Page 69: ...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 information p 63 UNABLE For only USA...

Page 70: ...RM OFF to stop the alarm and the blinking backlight Even if you do not push ALARM OFF the alarm stops after 2 minutes and then the screen in step w is displayed w w Push a softkey to select your desir...

Page 71: ...s after 2 minutes and then the screen in step w is displayed w w Push a softkey to select your desired action IGN Push to ignore the Call and return to the normal operat ing mode The transceiver exits...

Page 72: ...er exits the DSC mode continues to blink and the Call is stored in the Received Call Log Transmitted Call log The transceiver automatically stores up to 50 transmitted calls and the logs can be used a...

Page 73: ...lls Received Call Log Push MENU Rotate Dial then push ENT w w Push Y Z to select Distress then push ENT The Distress messages are stored in Distress is displayed when there are unread DSC messages is...

Page 74: ...displayed when there are no unread DSC messages No icon is displayed when there are no DSC messages Push BACK to return to the previous screen Push EXIT to return to the normal operating mode e e Push...

Page 75: ...n Reply Polling Re ply or Test Acknowledgement Call respectively When INDIVIDUAL ACK is set to Auto TX the trans ceiver automatically transmits the Acknowledgment call including Unable to Comply No Re...

Page 76: ...No Delay After receiving a DSC call and ACPT is pushed on the confirmation screen the transceiver immediately changes to the channel assigned by the re ceived DSC call 10 Second Delay After receiving...

Page 77: ...e Dial or push Y Z to set the Alarm setting to ON or OFF r r Push EXIT to return to the normal operating mode D Channel 70 Squelch level Set the squelch level on Channel 70 The transceiver has 11 sque...

Page 78: ...enu MENU DSC Settings DSC Loop Test Push MENU Rotate Dial then push ENT w Push ENT to start the DSC loop test Push BACK to return to the previous screen When the transmit DSC and receive DSC signals m...

Page 79: ...screen of the AIS target is displayed Make sure the transceiver is in the normal operating mode Oth erwise you cannot make an individual DSC call using the tran sponder w w Push DSC to display the voi...

Page 80: ...t the intership channel specified in step w A different intership channel will be selected if the station you called cannot use the channel To reply push PTT and speak at your normal voice level You c...

Page 81: ...n INCM CALL to sound the intercom beeps The transceiver and the command microphone sound beeps while holding down INCM CALL CALL is displayed r r After releasing INCM CALL hold down PTT and speak into...

Page 82: ...peaker volume level adjustment screen and then rotate Dial After adjusting push ENT to set it Using the PA Public Address The transceiver has a PA function to make announcements through a PA speaker C...

Page 83: ...r the Horn mode w w Hold down HORN to sound a horn While holding down HORN the horn sounds and the screen below is displayed Rotate Dial or push Y Z to adjust the horn volume level e e Push EXIT to re...

Page 84: ...up to USA q q Push MENU w w Rotate 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 e e Rotate Dial or push...

Page 85: ...sceivers 3 Displayed only when no GPS information is received 4 Displayed only when the optional HM 195 is connected 5 For only USA version transceivers 6 This setting may not be usable depending on t...

Page 86: ...n pauses until the signal disappears Default OFF Priority scan When ON is selected the scan pauses for 5 sec onds and then resumes even if a signal has been received on any channel other than Channel...

Page 87: ...lly checked while scanning ON The previously selected last used weather channel is checked while scanning OFF The transceiver does not detect a weather alert tone D D RT Indicator For only USA version...

Page 88: ...n beeps sound when a key is pushed Default ON D D Key Assignment Desired functions can be assigned to Dial and the softkeys q q When the KEY ASSIGNMENT screen is displayed rotate Dial or push to selec...

Page 89: ...s displayed and rotating Dial adjusts the audio volume CH is assigned to the 3rd position and pushing Dial three times selects CH The channel number is displayed and ro tating Dial will select the des...

Page 90: ...ption e e Push EXIT to exit the Menu screen Push CLEAR or BACK to return to the previous screen RX Turn the receive Noise Cancel function ON or OFF OFF Turns OFF the function Default 1 The Noise Cance...

Page 91: ...the selected option e e Push EXIT to exit the Menu screen Push CLEAR or BACK to return to the previous screen Not DSC Related When the LCD displays a screen other than the normal opera tion screen or...

Page 92: ...data from the NMEA Output port to an external device For only the IC M423G IC M423GE and IC M424G DSC data output Default OFF When receiving a DSC call this function makes the trans ceiver send the D...

Page 93: ...er Displayed only when the optional HM 195 is connected The HM 195 s external speaker can be used instead of the internal speaker Default Internal Speaker The COMMANDMIC SP screen is displayed on the...

Page 94: ...ater RMC GGA GNS GLL VTG GSV and GSA sentence format compatible GPS receiver is re quired Ask your dealer about suitable GPS receivers The GPS sentences input from an external GPS receiver have priori...

Page 95: ...ects to the supplied GPS antenna For only the IC M423GE NOTE Be sure the GPS antenna is positioned where it has a clear view to receive signal from satellites and fixed using the supplied double sided...

Page 96: ...replace the damaged fuse with a new one of the proper rating Cleaning If the transceiver becomes dusty or dirty wipe it clean with a soft dry cloth DO NOT use harsh solvents such as benzine or alcoho...

Page 97: ...y may not be easy to read at some angles NOTE for the IC M423G and IC M424G Built in GPS receiver is located at the right top of the front panel If the transceiver is covered with any object that inte...

Page 98: ...t the transceiver w w Slide the transceiver through the hole as shown below e e Attach the clamps on either side of the transceiver with two M5 8 mm supplied bolts Make sure that the clamps align para...

Page 99: ...cable can be used between the transceiver and the OPC 1540 Up to two OPC 1541 can be added D D Installation q q Insert the OPC 1540 cable connector into the command microphone jack and tighten the nut...

Page 100: ...90 10 CONNECTIONS AND MAINTENANCE Gasket Mounting base Cap Nut...

Page 101: ...D Transmitter Output power 25 W 1 W Modulation system Variable reactance frequency modulation Maximum frequency deviation 5 0 kHz Spurious emissions IC M423 IC M423G IC M423GE Less than 0 25 W IC M424...

Page 102: ...into a 4 load D D GPS IC M423GE Frequency 1575 42 MHz Channel 66 ch D D Dimensions Options MB 132 flush mount kit To mount the transceiver to a panel MA 500TR MA 510TR class b ais transponder To tran...

Page 103: ...4 156 225 156 225 65 156 275 160 875 Channel Number Frequency MHz USA 10 INT CAN 5 Transmit Receive 1065 1065 5 1065 2 156 275 156 275 66 156 325 160 925 1066 1066 5 1066 2 156 325 156 325 67 1 67 67...

Page 104: ...sh HI LO to select high power pp 11 12 13 p 14 Scan does not start Favorite channels are not entered Set the desired channels as Favorite chan nels p 20 No beep sounds Beep tones are turned OFF Turn O...

Page 105: ...Cut here Unit mm inch R12 Max 29 5 to 31 5 d 1 5 32 to 1 1 4 180 7 3 32 82 3 7 32 165 1 6 1 2 62 4 2 15 32 MB 132 HM 195 2 3 32 95 14 TEMPLATE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Page 106: ......

Page 107: ...ipment Directive 2011 65 EU The full text of the EU declaration of conformity is available at the following in ternet address https www icomjapan com support Disposal The crossed out wheeled bin symbo...

Page 108: ...anceling a call 29 Receiving a Call 55 Distress Relay Acknowledgement 56 Distress Relay Call 56 DSC Loop Test 68 DSC Settings 65 DUALWATCH TRI WATCH 21 E Explicit Definitions i F Favorite channels 20...

Page 109: ...iving a call 60 Position Request Call Making a call 39 Making a reply call 49 Receiving a call 59 PRECAUTIONS English vi PR CAUTIONS Fran ais vii R Receiving 14 Remote ID 83 RX Speaker 72 S Scan Scan...

Page 110: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A7197D 1EX 8a Printed in Japan 2014 2020 Icom Inc Jul 2020...

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