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DSC OPERATION

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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 im-
mediate assistance.

NEVER

MAKE A DISTRESS CALL IF YOUR SHIP OR A

PERSON IS NOT IN AN EMERGENCY. A DISTRESS
CALL SHOULD BE MADE ONLY WHEN IMMEDIATE
HELP IS NEEDED.

Simple call

Confirm no Distress call is being received.

While lifting up the key cover, hold down [DISTRESS] for 3

seconds to transmit the Distress call.

• While holding down [DISTRESS], count down beeps sound and

both the key and display backlighting blink.

• DSC channel (Channel 70) is automatically selected and the

Distress call is transmitted.

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, until an acknowledgement is received (‘Call repeat’
mode), or DSC Cancel call is made. (p. 27)

• Push [RESEND] to manually transmit the Distress repeat call.
• Push [

Ω

]/[

≈

] then push [INFO] to display the transmitted Dis-

tress call information.

• Push [

Ω

]/[

≈

] then push [PAUSE] to pause the ‘Call repeat’ mode,

push [RESUME] to resume it.

After receiving the acknowledgment, push [ALARM OFF]

then reply using the microphone.

A distress alert default contains:

➥

• Nature of distress : Undesignated distress
• Position information : The latest GPS or manual input position

is held for 23.5 hours, or until the power is
turned OFF.

Содержание iM423

Страница 1: ...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...

Страница 2: ...der IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver SAVE THIS INSTRUCTION MANUAL This in struction manual contains important operating instructions for the IC M42...

Страница 3: ...ne 4 LOCATED AT your position 5 State the nature of the distress and assistance re quired 6 Give any other information which might facilitate the rescue USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS...

Страница 4: ...transmit 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 barrie...

Страница 5: ...ide 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 radi...

Страница 6: ...t installed and used in accordance with the instruc tion manual may cause harmful interference to radio com munications Operation of this equipment in a residential area is likely to cause harmful int...

Страница 7: ...vents such as benzine or alcohol to clean the transceiver as they will damage the transceiver s surfaces If the transceiver becomes dusty or dirty wipe it clean with a soft dry cloth DO NOT disassembl...

Страница 8: ...programming 13 Channel name programming 13 Microphone Lock function 14 Adjusting the volume level 15 Adjusting the squelch level 15 Adjusting the displaybacklight level 16 AquaQuake water draining fu...

Страница 9: ...s 76 Radio Setting items 77 Configuration items 78 10CONNECTIONS AND MAINTENANCE 83 89 Connections 83 Antenna 85 Fuse replacement 85 Cleaning 85 Supplied accessories 85 Mounting the transceiver 86 MB...

Страница 10: ...fication for radio 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 purp...

Страница 11: ...Menu items Menu settings and so on pp 11 75 Push to check TAG channels change the scanning di rection or manually resume a scan p 18 t CLEAR KEY CLEAR pp 8 13 75 Push to cancel the entered data or to...

Страница 12: ...ority scan Dualwatch Tri watch p 19 Push to start a Dualwatch or Tri watch scan Push to stop a Dualwatch or Tri watch scan when either is activated High Low p 11 Push to set the power to high or low S...

Страница 13: ...l Favorite channels in the selected channel group Name p 13 Push to enter the channel name programming mode Backlight p 16 Push to enter the LCD and key backlight brightness ad justment mode While in...

Страница 14: ...CON p 9 Appears when the Call channel is selected y DUPLEX ICON p 10 Appears when a duplex channel is selected u TAG CHANNEL ICON p 18 Appears when a TAG favorite channel is selected i MAIL ICON p 63...

Страница 15: ...when the RMC GPS sen tence format is included in the GPS signal NO TIME appears when no GPS receiver is connect ed and no time is manually input 6 POSITION INDICATOR Shows the current position when a...

Страница 16: ...to turn the Microphone Lock function ON or OFF p 14 Softkey function Various functions can be assigned to the softkeys When a key function is assigned the key icon is displayed above the soft key as...

Страница 17: ...this case the transceiver cannot make a DSC call To program the MMSI code turn OFF the power then turn it ON again Enter your MMSI code in the following manner e e Select a desired number using Dial...

Страница 18: ...y for Chinese version transceiver Call channel D D Each regular channel group has a separate leisure use Call channel The Call channel is monitored during Tri watch The Call channels can be programmed...

Страница 19: ...otate Dial or push e e to select CHAN Group and then push ENT Rotate Dial or push r r to select the desired channel group and then push ENT U S A USA International INT and Canadian CAN channel groups...

Страница 20: ...and squelch levels p 15 w w First open the squelch Then adjust the audio output level After that adjust the squelch level until the noise just disappears Change the channel group p 10 e e Push r r CH...

Страница 21: ...our transmit ted signal pause a few seconds after pushing PTT hold the microphone 5 to 10 cm 2 to 4 inches from your mouth and speak at a normal voice level NOTE for the TOT Time out Timer function Th...

Страница 22: ...layed channel as the Call t t channel Push CLEAR to cancel Channel name programming Each channel can be assigned a unique alphanumeric ID of up to 10 characters Capital letters 0 to 9 some symbols _ a...

Страница 23: ...and return to the previous screen Microphone Lock function The Microphone Lock function electrically locks and the HI LO keys on the supplied microphone This prevents accidental channel changes and fu...

Страница 24: ...See page 79 for details Adjusting the squelch level The squelch level can be adjusted with VOL SQL Dial In order to receive signals properly as well as for the scan to function effectively the squelch...

Страница 25: ...to the VOL SQL Dial Push VOL SQL Dial one or more times to display the q q backlight adjustment screen Rotate VOL SQL Dial to adjust the brightness of the w w LCD and key backlight and then push ENT...

Страница 26: ...n in the Menu screen p 77 PRIORITY SCAN The Priority scan sequentially searches through all TAG channels while monitoring Channel 16 When a signal is detected on Channel 16 the scan pauses until the s...

Страница 27: ...a scan First set the scan type Priority or Normal scan and scan resume timer in the Menu screen p 77 Select the desired channel group p q q 10 Set the TAG channels as described to the left w w Make s...

Страница 28: ...during Tri watch A beep tone sounds when a signal is received on Channel 16 To cancel Dualwatch or Tri watch push DW again r r DUALWATCH TRI WATCH SIMULATION Dualwatch Tri watch Call channel Ch 88 Ch...

Страница 29: ...digits are 0 for any Coast station ID Repeat step r r e to enter all 9 digits After entering the 9 digit code push ENT or Dial to set it t t The ID name programming screen is displayed Enter a desired...

Страница 30: ...r e to input the specific 9 digits group code After entering the 9 digit code push ENT or Dial to set it t t The Group ID name programming screen is displayed Enter a desired 10 digit ID name in the...

Страница 31: ...case push MENU to exit the MENU screen Rotate Dial or push w w Y Z to select a desired ID name then push DEL Push OK to delete the ID and return to the INDIVIDUAL e e ID or GROUP ID list screen Push...

Страница 32: ...esired 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 latitude when the cursor is on the N or S...

Страница 33: ...DSC channel Channel 70 is automatically selected and the Distress call is transmitted After transmitting the call the transceiver waits for an ac e e knowledgment call The Distress call is automatica...

Страница 34: ...ning ship Piracy or Man Overboard is selectable The nature of the distress is stored for 10 minutes after a selec tion is made The Distress call confirmation screen is displayed e e Rotate Dial or pus...

Страница 35: ...ly using the microphone A distress alert contains Nature of distress Selected in step w Position information The latest GPS or manual input position is held for 23 5 hours or until the power is turned...

Страница 36: ...BACK to return to waiting for an acknowledgement call Push FINISH e e Push EXIT to return to waiting for an acknowledgement call The Distress cancel call is transmitted r r Channel 16 is automaticall...

Страница 37: ...be set first p 20 When Manual Input is selected set a desired 9 digit MMSI ID code for the individual you wish to call About Manual Inputting Enter a desired individual ID in the following way Select...

Страница 38: ...mit the Individual call y y If Channel 70 is busy the transceiver stands by until the channel becomes clear Standby on Channel 70 until an acknowledgement is re u u ceived When the acknowledgement Abl...

Страница 39: ...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 84 for more details Transmitting an Indiv...

Страница 40: ...can be automatically trans mitted if set See page 66 for details Propose New Channel You can make an acknowledgement call but you specify the intership chan nel Select a desired intership channel usi...

Страница 41: ...mitting a Group call D D The Group call function allows you to transmit a DSC signal to only a specific group Enter GROUP CALL in the DSC CALLS menu q q MENU DSC Calls Group Call Push MENU Rotate Dial...

Страница 42: ...t is specified as 0 for a Group ID The first two digits are 0 for any Coast station ID A confirmation screen appears r r Confirm the call contents Push CALL to transmit the Group call t t If Channel 7...

Страница 43: ...sh Dial or ENT The selectable category may differ depending on the pro grammed setting Ask your dealer for the selectable categories Select a desired traffic channel using Dial or e e Y Z then push Di...

Страница 44: ...sh Dial or ENT The ID code for the Position Request Call can be set first p 20 When Manual Input is selected set a desired 9 digit MMSI ID code for the individual you wish to call About Manual Inputti...

Страница 45: ...until the channel becomes clear After the Position Request Call has been transmitted the t t following screen is displayed When the acknowledgement call is received beeps sound y y and the following...

Страница 46: ...or Y Z then push Dial or ENT The ID code for the Individual call can be set first p 20 When Manual Input is selected set a desired 9 digit MMSI ID code for the individual you wish to call About Manua...

Страница 47: ...onnected and both position and time have been manually programmed the screen shown below appears Edit your latitude and longitude position and UTC time as follows Push CHG then edit your latitude and...

Страница 48: ...then push Dial or ENT The ID code for the Individual call can be set first p 20 When Manual Input is selected set a desired 9 digit MMSI ID code for the individual you wish to call About Manual Input...

Страница 49: ...until the channel becomes clear After the Polling Request Call has been transmitted the t t following screen is displayed When the acknowledgement call is received beeps sound y y and the following s...

Страница 50: ...a desired preprogrammed individual address or w w Manual Input then push Dial or ENT The ID code for the Individual call can be set first p 20 When Manual Input is selected set the 9 digit MMSI ID co...

Страница 51: ...until the channel becomes clear After the Test call has been transmitted the following t t screen is displayed When the acknowledgement call is received beeps sound y y and the following screen is di...

Страница 52: ...ived beeps sound and the screen q q shown below is displayed Push ALARM OFF to stop the beeps Push ACK w w Push INFO to display the Test call information Push BACK to return to the previous screen or...

Страница 53: ...est call has been received the TEST ACK item will not be displayed Select a desired Test call to reply to using Dial or w w Y Z then push Dial or ENT The Test ACK confirmation screen is displayed e e...

Страница 54: ...Quick Reply When a Position Request call is received beeps sound q q and the screen shown below is displayed Push ALARM OFF to stop the beeps Push ACK w w Push INFO to display the Position Request ca...

Страница 55: ...ile transmitting the reply call the screen shown below r r is displayed and then returns to the normal operating mode When no GPS receiver is connected and both position and time have been manually pr...

Страница 56: ...d the screen as shown below is displayed Push ALARM OFF to stop the beeps Push ACK w w Push INFO to display the Position Report Request call informa tion Push BACK to return to the previous screen or...

Страница 57: ...equest call has been received the POSI TION REPORT REPLY item will not be displayed Select a desired Position Report Request call to reply to w w using Dial or Y Z then push Dial or ENT The Position R...

Страница 58: ...uick Reply When a Polling Request call is received beeps sound and q q the screen as shown below is displayed Push ALARM OFF to stop the beeps Push ACK w w Push INFO to display the Polling Request cal...

Страница 59: ...quest call has been received the POLLING RE PLY item will not be displayed Select a desired Polling Request call to be replied using w w Dial or Y Z then push Dial or ENT e e The Polling Reply call co...

Страница 60: ...o 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 INFO Push to di...

Страница 61: ...d action w w 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...

Страница 62: ...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 INFO Push to dis...

Страница 63: ...tion w w 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 Rece...

Страница 64: ...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 Log INFO Push to d...

Страница 65: ...ht If ALARM OFF is not pushed within 2 minutes the next screen may appear depending on the received Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to...

Страница 66: ...FF is not pushed within 2 minutes the next screen may appear depending on the received Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to the normal op...

Страница 67: ...next screen may appear depending on the received Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to the normal operat ing mode The transceiver exits th...

Страница 68: ...eived Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to the normal operat ing mode The transceiver exits the DSC mode continues to blink and the Call...

Страница 69: ...LARM OFF to stop the alarm and the blinking q q backlight If ALARM OFF is not pushed within 2 minutes the next screen may appear depending on the received Category Push a softkey to select your desire...

Страница 70: ...e received Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to the normal operat ing mode The transceiver exits the DSC mode continues to blink and the...

Страница 71: ...ing on the received Category Push a softkey to select your desired action w w IGN Push to ignore the Call and return to the normal operat ing mode The transceiver exits the DSC mode continues to blink...

Страница 72: ...the Call is stored in the Received Call Log Received Call log The transceiver automatically stores up to 50 distress mes sages and 50 other messages and they can be used as a supplement to your logbo...

Страница 73: ...mode y y Other messages D D Push LOG to enter RCVD CALL LOG in the DSC CALLS q q menu or you can enter it through the Menu screen MENU DSC Calls Received Call Log Push MENU Rotate Dial then push ENT...

Страница 74: ...y Transmitted Call log The transceiver automatically stores up to 50 transmitted calls and the logs can be used as a supplement to your log book Enter TX CALL LOG in the DSC CALLS menu q q MENU DSC C...

Страница 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...

Страница 76: ...function to Auto No Delay 10 Second Delay or OFF then push ENT Push BACK to cancel and return to the DSC Settings menu default Auto No Delay After receiving a Distress call and ACPT is pushed on the c...

Страница 77: ...ault All Station Outputs the call from any vessel from the NMEA Output port List Station Outputs the call from any vessels listed on the Individual ID screen OFF Does not output any call to the extern...

Страница 78: ...turn to the normal operating mode e e D DSC Loop Test The DSC loop test function sends transmit DSC signals to the receive AF circuit to compare and check the TX and RX signals at the AF level q Enter...

Страница 79: ...he normal operating mode Oth erwise you cannot make an individual DSC call using the tran sponder Push DSC to display the voice channel selection screen w w and then push Y or Z to select a desired vo...

Страница 80: ...and then select 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 a normal voice...

Страница 81: ...INCM CALL to sound the intercom beeps e e The transceiver and the command microphone sound beeps while holding down INCM CALL CALL appears After releasing INCM CALL hold down PTT and speak r r into th...

Страница 82: ...play the RX Speaker volume level adjustment screen and then rotate Dial After adjusting push ENT to set it PA Public Address function The transceiver has a PA function to make announcements through a...

Страница 83: ...enter the Horn mode q q Hold down HORN to sound a horn w w While holding down HORN the horn sounds and the screen below is displayed To adjust the horn volume level rotate Dial Push EXIT to return to...

Страница 84: ...annel group to INT Push MENU q q Rotate Dial or push w w to select the root item Radio Setting and then push ENT If or is continuously held down the items are sequentially highlighted Rotate Dial or p...

Страница 85: ...ion ACK p 66 DSC Loop Test p 69 Test ACK p 66 1 Appears only after receiving a corresponding call 2 Only U S A and Australian version transceivers 3 Appears only when no GPS information is received 4...

Страница 86: ...mer scan ON When OFF is selected the scan pauses until the signal disappears When ON is selected the scan pauses for 5 seconds and then resumes even if a signal has been received on any channel other...

Страница 87: ...previously selected last used weather channel is checked while scanning OFF The transceiver does not detect a weather alert tone Configuration items Backlight D D The function display and keys can be...

Страница 88: ...n Dial assignment The audio volume VOL squelch SQL channel selection CHAN and LCD backlight level Backlight functions can be assigned to any one of 4 positions After the functions have been assigned p...

Страница 89: ...is assigned to Push 3 pushing Dial two time displays the squelch adjustment screen Softkeys assignment The desired function can be assigned as the softkey func tion The assigned function can be used w...

Страница 90: ...nction Default ON The Noise Cancel function reduces random noise com ponents in the transmitted signal to one tenth Inactivity Timer D D Set the inactivity timer to between 1 and 10 minutes in 1 min u...

Страница 91: ...key operation occurs for this set period the transceiver automati cally returns to the normal operating screen Default 15 min Remote ID D D Set a Remote ID number to between 1 and 69 Default 15 The Re...

Страница 92: ...line of a GPS receiver for position data A NMEA0183 ver 2 0 or 3 01 RMC GGA GNS GLL and VTG sentence format compatible GPS receiver is required Ask your dealer about suitable GPS receivers Yellow List...

Страница 93: ...d y COMMAND MICROPHONE JACK Connects to the optional Command microphone p 88 Connect to the MA 500TR D D Connect the transceiver to the high density D Sub 15 pin connector of the MA 500TR using the OP...

Страница 94: ...ctioning track down the source of the problem repair it and replace the damaged fuse with a new one of the proper rating Fuse rating 10 A Cleaning If the transceiver becomes dusty or dirty wipe it cle...

Страница 95: ...the 2 supplied screws 5 20 mm w w Attach 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 transceiver and microphone at lea...

Страница 96: ...t the transceiver Slide the transceiver through the hole as shown below w w Attach the clamps on either side of the transceiver with 2 e e M5 8 mm supplied bolts Make sure that the clamps align parall...

Страница 97: ...cable can be used between the transceiver and the OPC 1540 Up to two OPC 1541 can be added Installation D D Insert the OPC 1540 cable connector into the command q q microphone jack and tighten the nut...

Страница 98: ...89 10 CONNECTIONS AND MAINTENANCE Gasket Mounting base Cap Nut...

Страница 99: ...nominal Dimensions approximately 180 W 82 H 135 D mm Projections not included Weight approximately 1 2 kg Transmitter D D Output power 25 W 1 W Modulation system Variable reactance frequency modulati...

Страница 100: ...Z channel up down HI LO and PTT keys a speaker and microphone OPC 1541 microphone extension cable 6 m 20 feet microphone extension cable for optional HM 195 commandmicIV Up to two OPC 1541 can be con...

Страница 101: ...0 675 61 61A 61A 156 075 156 075 156 125 160 725 62 62A 156 125 156 125 156 175 160 775 63 63A 156 175 156 175 64 156 225 160 825 64 64A 64A 156 225 156 225 156 275 160 875 65 65A 65A 156 275 156 275...

Страница 102: ...ove the water with the AquaQuake func tion p 15 p 15 p 16 Transmitting is impossi ble or high power can not be selected Some channels are programmed for low power or receive only by regulations The ou...

Страница 103: ...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 69 HM 195 2 3 32 94 14 TEMPLATE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 104: ......

Страница 105: ...MEMO...

Страница 106: ...MEMO...

Страница 107: ...MEMO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 108: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 7011D 1EX Printed in Japan 2012 Icom Inc Printed on recycled paper with soy ink...

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