Icom IC-M504 Instruction Manual Download Page 5 | Manualshive

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TABLE OF CONTENTS

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FOREWORD ..................................................................................... i

IMPORTANT ...................................................................................... i

EXPLICIT DEFINITIONS ................................................................... i

IN CASE OF EMERGENCY ............................................................. ii

NOTE ................................................................................................ ii

RADIO OPERATOR WARNING ...................................................... iii

TABLE OF CONTENTS ................................................................... iv

PRECAUTIONS ................................................................................ v

1 OPERATING RULES ..................................................................1
2 PANEL DESCRIPTION ...........................................................2−5

Front panel ...............................................................................2

Function display .......................................................................4

Microphone ..............................................................................5

3 BASIC OPERATION .............................................................6−11

Channel selection.....................................................................6

Receiving and transmitting .......................................................8

Call channel programming .......................................................9

Channel comments ................................................................10

Microphone Lock function ......................................................10

Display backlight ....................................................................10

Optional voice scrambler operation ........................................11

4 SCAN OPERATION ............................................................12−13

Scan types .............................................................................12

Setting TAG channels ............................................................13

Starting a scan .......................................................................13

5 DUALWATCH/TRI-WATCH .......................................................14

Description .............................................................................14

Operation ...............................................................................14

6 DSC OPERATION ...............................................................15−49

MMSI code programming ......................................................15

MMSI code check ..................................................................16

DSC address ID .....................................................................17

Position and time programming ........................................................21

Position and time indication ...................................................22

GPS information indication ....................................................22

Distress call ...........................................................................23

Transmitting DSC calls ...........................................................26

Receiving DSC calls ..............................................................41

Received messages ..............................................................45

DSC Set mode .......................................................................47

7 OTHER FUNCTIONS ..........................................................50−54

Intercom operation .................................................................50

RX Speaker function ..............................................................51

Hailer operation .....................................................................52

Automatic foghorn function ....................................................53

8 SET MODE ..........................................................................55−57

Set mode programming .........................................................55

Set mode items ......................................................................55

9 CONNECTIONS AND MAINTENANCE..............................58−66

Connections ...........................................................................58

Fuse replacement ..................................................................59

Supplied accessories .............................................................59

Antenna .................................................................................59

Mounting the transceiver .......................................................60

MB-75 installation ..................................................................61

UT-112 installation .................................................................62

HM-162/HM-157 installation ..................................................63

10 TROUBLESHOOTING ..............................................................67
11 SPECIFICATIONS AND OPTIONS .....................................68−69

Specifications.........................................................................68

Options ..................................................................................69

12 CHANNEL LIST ........................................................................70
13 TEMPLATE ...............................................................................71
14 FCC INFORMATION .................................................................73

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Summary of Contents for IC-M504

Page 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER ...

Page 2: ... Class D requirement Rugged waterproof construction Optional COMMANDMIC HM 162 HM 157 are available Easy to make individual DSC calls using Icom s MA 500TR Class B AIS Transponder 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 M504 EXPLICIT DEFINITIONS W...

Page 3: ...KER USING CHANNEL 16 DISTRESS CALL PROCEDURE 1 MAYDAY MAYDAY MAYDAY 2 THIS IS name of vessel 3 Say your call sign or other indication of the vessel AND 9 digit DSC ID if you have one 4 LOCATED AT your position 5 State the nature of the distress and assistance required 6 Give any other information which might facilitate the rescue USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE 1 Whil...

Page 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 barrier The MPE Radius is the minimum distance from the antenna axis that person should maintain in order to avoid RF exposure higher than the al lowable MPE level set by FCC FAILURE TO OBSERVE THESE LIMIT...

Page 5: ...ration 14 6 DSC OPERATION 15 49 MMSI code programming 15 MMSI code check 16 DSC address ID 17 Position and time programming 21 Position and time indication 22 GPS information indication 22 Distress call 23 Transmitting DSC calls 26 Receiving DSC calls 41 Received messages 45 DSC Set mode 47 7 OTHER FUNCTIONS 50 54 Intercom operation 50 RX Speaker function 51 Hailer operation 52 Automatic foghorn f...

Page 6: ...mical agents such as benzine or alcohol when cleaning as they may damage the transceiver sur faces If the transceiver becomes dusty or dirty wipe it clean with a soft dry cloth BE CAREFUL The transceiver rear panel will become hot when operating continuously for long periods Place the transceiver in a secure place to avoid inadvertent use by children BE CAREFUL The transceiver and the optional HM ...

Page 7: ...dio 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 The Restricted Radiotelephone Operator Permit must be posted or kept with the operator Only a licensed radio op erator may operate a transceiver However non licensed individuals may talk over a trans ceiver if ...

Page 8: ...turned ON Push and hold for 1 sec to activate an optional Inter com function p 50 Push and hold to call the optional command micro phone while in Intercom mode p 50 While pushing and holding H L push to turn the voice scrambler function ON or OFF p 11 y CHANNEL 16 CALL CHANNEL KEY 16 9 Push to select Channel 16 p 6 Push and hold for 1 sec to select Call channel p 6 CALL appears when Call channel i...

Page 9: ...ri watch p 14 Push to stop Dualwatch or Tri watch when either is ac tivated p 14 Move the cursor backward while in the channel com ment programming condition p 10 While pushing and holding H L push to select one of three channel groups in sequence p 7 U S A International and Canadian channels are available o SQUELCH CONTROL SQL Rotate to set the squelch threshold level p 8 0 SCAN TAG KEY SCAN TAG ...

Page 10: ...ge drops to approx 10 V DC or below i CHANNEL NUMBER READOUT Indicates the selected operating channel number o CHANNEL COMMENT INDICATOR Channel comment appears if programmed p 10 WAIT blinks while transmitting or operating the hailer funci tion by using an optional command microphone p 52 0 TIME ZONE INDICATOR Shows the current time data when a GPS receiver is connected or the time data is manual...

Page 11: ...al scan p 13 DUAL 16 appears during Dualwatch TRI 16 ap pears during Tri watch p 14 3 SCRAMBLER INDICATOR p 11 Appears when the voice scrambler function is activated only when the optional scrambler unit is installed 4 LOCAL INDICATOR p 8 Appears when the Attenuator function is turned ON 5 BUSY TRANSMIT INDICATOR p 8 BUSY appears when receiving a signal or when the squelch opens TX appears while t...

Page 12: ...ular channel group has a separate leisure use call channel The call channel is monitored during Tri watch The call channels can be programmed p 9 and are used to store your most often used channel in each channel group for quick recall Push 16 9 for 1 sec to select the call channel of the se lected channel group CALL and call channel number appear Each channel group may have an independent call ch...

Page 13: ...s These are used for monitoring broadcasts from NOAA Na tional Oceanographic and Atmospheric Administration The transceiver can automatically detect a weather alert tone on the selected weather channel while receiving on an other channel during standby on a regular channel or while scanning p 56 q Push CH WX DUAL U I C once or twice to select a weather channel WX appears when a weather channel is ...

Page 14: ... if necessary LOC appears when the receive Attenuator function is in use y Push H L to select the output power if necessary 25W or 1W appears when high or low power is selected re spectively Choose low power for short range communications choose high power for longer distance communications Some channels are for low power only u Push and hold PTT to transmit then speak into the mi crophone TX appe...

Page 15: ...elected channel group CALL and call channel number appear e Push 16 9 again for 3 sec until a long beep changes to 2 short beeps to enter call channel programming Channel number starts blink ing r Rotate DIAL to select the desired channel t Push 16 9 to program the displayed channel as the call channel Push CLR to cancel The channel number stops blinking 25W INT DUP 34 34 506N 123 23 236W UTC 12 0...

Page 16: ...o input and set the comment Push CLR to cancel The cursor and the character stop blinking y Repeat steps q to t to program other channel com ments if desired Microphone Lock function The Microphone Lock function electrically locks Y Z and HI LO keys on the supplied microphone This prevents ac cidental channel changes and function access While pushing and holding HI LO on the microphone turn power ...

Page 17: ...n optional scrambler unit is installed 32 codes 1 to 32 are available for programming In order to understand one another all transceivers in your group must have the same scramble code This function may not be available de pending on dealer setting q Turn power OFF w While pushing 16 9 turn power ON to enter set mode e After the display appears release 16 9 r Rotate DIAL to select the Scrambler Co...

Page 18: ...on use Refer to right page for details Choose Priority or Normal scan in Set mode p 55 PRIORITY SCAN Priority scan searches through all TAG channels in se quence while monitoring Channel 16 When a signal is detected on Channel 16 scan pauses until the signal disappears when a signal is detected on a channel other than Channel 16 scan becomes Dualwatch until the sig nal disappears NORMAL SCAN Norma...

Page 19: ...can resume timer in advance using Set mode p 55 q While pushing and holding H L push CH WX DUAL U I C to select the desired channel group USA INT CAN if desired w Set TAG channels as described at left e Make sure the squelch is closed to start a scan r Push SCAN TAG to start Priority or Normal scan PRI SCAN 16 appears at the channel comment indicator during Priority scan NORMAL SCAN appears at the...

Page 20: ...in DUALWATCH TRI WATCH SIMULATION If a signal is received on Channel 16 Dualwatch Tri watch pauses on Channel 16 until the signal disappears If a signal is received on the call channel during Tri watch Tri watch becomes Dualwatch until the signal dis appears To transmit on the selected channel during Dualwatch Tri watch push and hold PTT Example Operating Tri watch on INT Channel 25 Dualwatch Tri ...

Page 21: ...push DIAL ENTER y Rotate DIAL to select MMSI Check push DIAL ENTER u Rotate DIAL to set the specific 9 digit MMSI code Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Push CLR to cancel and return to the set up menu i After entering the 9 digit code push DIAL ENTER to set the code Returns to the set up menu o Push CLR or rotate DIAL to select Exit push DIAL ENTER...

Page 22: ... DIAL ENTER r Check the 9 digit MMSI DSC self ID code t Push CLR or rotate DIAL to select Exit push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation condition DSC Menu Set up DEL Group ID Offset Time MMSI Check Auto ACK NMEA Output Exit DSC Menu Select Item Position Report Polling Request Received Calls Distress Setting Set up Exit DSC Menu MMSI Check 123456789 CLR...

Page 23: ...d return to the set up menu Full ID appears when 100 DSC address IDs are already set After inputting the 9 digit MMSI number push DIAL ENTER or 16 9 to enter a 10 character ID name t After inputting push DIAL ENTER to program y Push CLR or rotate DIAL to select Exit push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation condition DSC Menu Add Individual ID Input 9 d...

Page 24: ...ed ID name for deleting t Push DIAL ENTER to delete the address ID and return to the set up menu y Push CLR or rotate DIAL to select Exit push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation condition DSC Menu Select Item Position Report Polling Request Received Calls Distress Setting Set up Exit DSC Menu Set up Add INDV ID Add Group ID DEL INDV ID DEL Group ID Of...

Page 25: ... to the set up menu Full ID appears when 100 DSC address IDs are already set After entering an 8 digit ID code push DIAL ENTER or 16 9 to enter a 10 character ID name 1st digit 0 is fixed for a group ID t After inputting push DIAL ENTER to program y Push CLR or rotate DIAL to select Exit push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation condition DSC Menu Selec...

Page 26: ...ID name for deleting t Push DIAL ENTER to delete the group ID and return to the set up menu y Push CLR or rotate DIAL to select Exit push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation condition DSC Menu Select Item Position Report Polling Request Received Calls Distress Setting Set up Exit DSC Menu Set up Add INDV ID Add Group ID DEL INDV ID DEL Group ID Offset ...

Page 27: ... is on the W or E position Push CLR for 1 sec to clear the latitude longitude data Push CLR to cancel and return to the DSC menu r After setting the position data push DIAL ENTER to set the current UTC time Set the current UTC time by rotat ing DIAL then push DIAL ENTER Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Push CLR for 1 sec to clear the UTC time data ...

Page 28: ...tible with several sentence formats the order of input prece dence is RMC GGA GNS GLL and VTG When sentence format RMC is received time indica tion includes a date Thus the UTC or Local indication is not displayed may blink instead of position and time indications when the GPS data is invalid or has not been manually updated after 4 hours GPS information indication When a GPS receiver NMEA0183 ver...

Page 29: ...70 is automatically selected and the distress call is transmitted When no GPS is connected input your position and UTC time if possible While pushing DISTRESS the key backlighting blinks e After transmitting the distress call the transceiver waits for an acknowledgment call on Channel 70 The distress call is automatically transmitted every 3 5 to 4 5 minutes After 2 sec the transceiver is set to C...

Page 30: ...ature of the distress call should be included in the dis tress call q Push MENU to enter the DSC menu w Rotate DIAL to select Distress Setting and push DIAL ENTER e Rotate DIAL to select the nature of the distress push DIAL ENTER Undesignated Explosion Flooding Colli sion Grounding Capsizing Sinking Adrift Disable adrift Abandoning Abandoning ship Piracy Piracy attack and MOB Man overboard are ava...

Page 31: ...er setting the position data push DIAL ENTER to set the current UTC time Set the current UTC time by rotat ing DIAL then push DIAL ENTER Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Push CLR for 1 sec to clear the UTC time data Push CLR to cancel and return to the DSC menu y Push DISTRESS for 5 sec to transmit the distress call While pushing DISTRESS the key b...

Page 32: ...ct operation of the DSC function please make sure you set the squelch correctly p 8 DTransmitting an individual call The individual call function allows you to transmit a DSC sig nal to a specific ship only Convenient When the lcom MA 500TR class b ais transponder is con nected to your transceiver an individual DSC call can be transmitted to a selected AIS target using the transponder without need...

Page 33: ...ied by the base station then Individual Call Ready will appear Therefore skip step r and go directly to step t r Rotate DIAL to select a desired intership channel push DIAL ENTER Intership channels are already preset into the transceiver in rec ommended order t Push DIAL ENTER to transmit the individual call If Channel 70 is busy the transceiver stands by until the chan nel becomes clear DSC Menu ...

Page 34: ...ement Able to comply or Unable to comply by using the on screen prompts see page 42 for details You can also send an acknowledgement through the menu sys tem as follows q Push MENU to enter the DSC menu w Rotate DIAL to select Individual ACK push DIAL ENTER Individual ACK item appears after an individual call is received e Rotate DIAL to select the desired individual address or ID code push DIAL E...

Page 35: ...smitting 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 Rotate DIAL to select Group Call push DIAL ENTER DSC Menu Select Item Position Input Individual Call Group Call All Ships Call Position Request Position Report e Rotate DIAL to select the desired pre programmed group address or Manual Input push DIAL ENTER ...

Page 36: ...y After the group call has been transmitted the following indication is displayed u Push CLR to exit and the transceiver selects the inter ship channel specified in step r automatically Even if CLR hasn t been pushed the transceiver selects the specified intership channel in step r automatically after 2 sec of inactivity DSC Menu Group Call Transmitting DSC Menu Group Call TX Complete CLR Exit DSC...

Page 37: ...AL ENTER Output power of Routine category is 1 W low power only The selectable category may differ according to the pro grammed setting Ask your dealer for the available categories r Push DIAL ENTER to transmit the all ships call Channel 70 is selected and the all ships call is transmitted DSC Menu Select Item Position Input Individual Call Group Call All Ships Call Position Request Position Repor...

Page 38: ...tically selects Channel 16 after 2 sec of inactivity DTransmitting 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 Rotate DIAL to select Position Request push DIAL ENTER DSC Menu Select Item Position Input Individual Call Group Call All Ships Call Position Request Position Report DSC Menu All ...

Page 39: ...eiver stands by until the chan nel becomes clear t After the position request call has been transmitted the following indication is displayed y Push CLR to return to the previous indication before en tering the DSC menu Even if CLR hasn t been pushed the display automatically returns to the previous indication after 2 sec of inactivity DSC Menu Position Request TX Complete Now Waiting for ACK CLR ...

Page 40: ...tude and longitude data by rotating DIAL Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Rotate DIAL to edit N North latitude or S South latitude when the cursor is on the N or S position and W West longitude or E East longitude when the cursor is on the W or E position Push CLR for 1 sec to clear the latitude longitude data Push CLR to cancel and return to the D...

Page 41: ...tion is displayed i Push CLR to return to the previous indication before en tering the DSC menu Even if CLR hasn t been pushed the display automatically returns to the previous indication after 2 sec of inactivity DSC Menu Position Report Transmitting DSC Menu Input UTC Time __ __ Null CLR 1sec Null Data CLR Exit ENT OK DSC Menu Position Report Ready CLR Exit ENT OK DSC Menu Position Report TX Com...

Page 42: ... ID code can be set in advance p 17 When Manual Input is selected set the 9 digit MMSI number for the individual you wish to call by rotating DIAL r Push DIAL ENTER to transmit the polling request call If Channel 70 is busy the transceiver stands by until the chan nel becomes clear DSC Menu Polling Request Transmitting DSC Menu Select Item Individual Call Group Call All Ships Call Position Request...

Page 43: ...ed When the automatic acknowledgement function is ON p 48 the transceiver automatically transmits a reply call after re ceiving a position request call q Push MENU to enter the DSC menu w Rotate DIAL to select Position Reply push DIAL ENTER Position Reply item appears after a position request call is received e Rotate DIAL to select the desired individual address or ID code push DIAL ENTER DSC Men...

Page 44: ...n Push CLR for 1 sec to clear the latitude longitude data Push CLR to cancel and return to the DSC menu t After setting the position data push DIAL ENTER to set the current UTC time Set the current UTC time by rotat ing DIAL then push DIAL ENTER Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Push CLR for 1 sec to clear the UTC time data Push CLR to cancel and re...

Page 45: ...elect POS Report Reply push DIAL ENTER POS Report Reply item appears after a position report call is received e Rotate DIAL to select the desired individual address or ID code push DIAL ENTER r Push DIAL ENTER to transmit the position report reply call to the selected station DSC Menu Position Report Reply Transmitting DSC Menu Select Item Individual Call Group Call All Ships Call Position Request...

Page 46: ...to select Polling Reply push DIAL ENTER Polling Reply item appears after a polling request call is received e Rotate DIAL to select the desired individual address or ID code push DIAL ENTER r Push DIAL ENTER to transmit the polling request reply call to the selected station DSC Menu Polling Reply Transmitting DSC Menu Select Item Group Call All Ships Call Position Request Position Report Polling R...

Page 47: ...tress acknowledge ment to other ship is received The emergency alarm sounds for 2 minutes Push CLR to stop the alarm Received DistressACK appears in the display then Channel 16 is automatically selected D Receiving a distress relay call While monitoring Channel 70 and a distress relay is re ceived The emergency alarm sounds for 2 minutes Push CLR to stop the alarm Received DistressRLY appears in t...

Page 48: ... a group call is received The emergency alarm or beeps sound depending on the received category Received Group appears in the display Push CLR to stop the beep then push DIAL ENTER to select the channel specified by the calling station for voice communication push CLR to ignore the group call D Receiving an all ships call While monitoring Channel 70 and an all ships call is re ceived The emergency...

Page 49: ...lls are received regardless of your position D Receiving a position request call While monitoring Channel 70 and a position request call is received Received POS Request appears in the display Push CLR to stop the beep then push DIAL ENTER to reply to the position request call push CLR to ignore the position request call D Receiving a position report call While monitoring Channel 70 and a position...

Page 50: ...tion report reply call While monitoring Channel 70 and a position report reply call is received Received POS Reply appears in the display Push CLR to stop the beep then push DIAL ENTER to display the position information push CLR to ignore the reply call D Receiving a polling request reply call While monitoring Channel 70 and a polling request reply call is received Received POLL Reply appears in ...

Page 51: ...desired message push DIAL ENTER Messages which are blinking have not been read e Rotate DIAL to scroll the message r Push CLR to exit or push CLR for 1 sec to delete the displayed message and return to the DSC menu DSC Menu Distress John Explosion LAT 12 34 567N LON 123 45 678W UTC 12 15 DISTANCE 100 8nm BEARING 12 25 CLR Exit CLR 1s Del Rotate DSC Menu Select Item Position Reply Position Report P...

Page 52: ...age The stored message has various information depending on the type of DSC call DSC Menu Individual Call Paul Routine F3E simplex CH 08 CLR Exit CLR 1s Del r Push CLR to exit or push CLR for 1 sec to delete the displayed message and returns to the DSC menu DSC Menu Select Message Distress Other CLR Exit ENT OK DSC Menu Select Message Individual Call Group Call Position Replay All Ships Call CLR E...

Page 53: ... time from the UTC Universal Time Coordi nated time by rotating DIAL Push 16 9 or CH WX DUAL U I C to move the cursor for ward or backward respectively Push CLR to cancel and return to the set up menu t Push DIAL ENTER to program and to return to the set up menu DSC Menu Select Item POS Report Reply Polling Request Polling Reply Received Calls Distress Setting Set up DSC Menu Input Offset Time 12 ...

Page 54: ...ter the DSC menu w Rotate DIAL to select Set up push DIAL ENTER e R o t a t e D I A L t o s e l e c t A u t o A C K p u s h DIAL ENTER r Rotate DIAL to turn the automatic acknowledgement function ON or OFF t Push DIAL ENTER to set the condition Push CLR to cancel and return to the set up menu DSC Menu Select Item Add Group ID DEL INDV ID DEL Group ID Offset Time MMSI Check Auto ACK DSC Menu Auto A...

Page 55: ...m OFF All Station or List Station List Station Outputs the position data from the specified ves sels listed on the DSC individual ID screen All Station Outputs the position data from all vessels OFF Does not output any position data to external equipment t Push DIAL ENTER to set the condition Push CLR to cancel and return to the set up menu DSC Menu Select Item DEL INDV ID DEL Group ID Offset Time...

Page 56: ...crophone side The transceiver and the optional command microphone emit call beeps e Push and hold PTT and speak at a normal voice level into the microphone TALK or LISTEN appears on the caller or listener func tion display or appears on the HM 157 To adjust the IC M504 s speaker output level rotate VOL To adjust the HM 162 s speaker output level rotate SELEC TOR after pushing VOL on the HM 162 To ...

Page 57: ...nction The IC M504 has an RX Speaker function When this func tion is turned ON the received audio can be heard on the deck or tower via a hailer speaker Connect a hailer speaker as described on p 58 q Push and hold HAIL RX for 1 sec to enter the RX Speaker mode RX appears Rotate DIAL to adjust the audio output level push DIAL ENTER w To return to normal operation push and hold HAIL RX for 1 sec Wh...

Page 58: ...ak at a normal voice level into the microphone TALK appears WAIT appears on the channel comment indicator when op erating the hailer function by using an optional command micro phone To adjust the hailer level rotate DIAL e To return to normal operation push CLR or HAIL RX While in the hailer mode the transceiver functions trans mit and receive are interrupted If the transceiver is in transmit con...

Page 59: ...WAY STOP SAIL TOW One 5 second blasts every 120 seconds Two 5 second blasts separated by 2 seconds every 120 sec onds One 5 second blast followed by two 1 second blasts each separated by 2 seconds every 120 seconds One 5 second blast followed by three 1 second blasts each separated by 2 seconds every 120 seconds Motor vessel underway and making way Motor vessel underway but stopped not making way ...

Page 60: ...ENTER The foghorn level is adjustable in 30 steps Even if ENT hasn t been pushed the display automatically changes to the next step after 5 sec of inactivity r To return to normal operation repeat step q When a DSC call is received the automatic foghorn func tion is interrupted with an automatic return to the trans ceiver mode The transceiver s display indicates Receiv ing DSC calls p 41 25W INT T...

Page 61: ...lect Exit then push DIAL ENTER to exit set mode and returns to normal op eration condition Set mode items D Scan type The transceiver has 2 scan types Normal scan and Priority scan Normal scan searches all TAG channels in the se lected channel group Priority scan searches all TAG chan nels in sequence while monitoring Channel 16 D Scan resume timer The scan resume timer can be selected as a pause ...

Page 62: ...lert WX ALERT appears instead of WX indication when the function is set ON D Dual Tri watch This item can be selected as Dualwatch or Tri watch p 14 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 LCD contrast The LCD contrast can be adjustable to 8 levels The level 1 is the lowest co...

Page 63: ...e is turned OFF the transceiver will continue to work D Scrambler type Appears when a scrambler unit is installed When an optional scrambler unit is installed the scrambler type can be selected in set mode depending on how it is set by the dealer D Scrambler code Appears when a scrambler unit is installed When an optional scrambler unit is installed the scrambler code can be set depending on how i...

Page 64: ... speaker 25 W nominal at 13 8 V 4 y ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connec tor to the transceiver CAUTION Transmitting without an antenna may dam age the transceiver u GROUND TERMINAL Connect this terminal to a vessel ground to prevent elec trical shocks and interference from other equipment oc curring Use a self tapping screw 3 8 mm i EXTERNAL MICROPHONE JACK Connect...

Page 65: ...ce of the problem if possible and replace the dam aged fuse with a new one of the proper rating Supplied accessories Antenna A key element in the performance of any communication system is the antenna Ask your dealer about antennas and the best place to mount them Fuse rating 10 A Connection cable OPC 1000 6m 20 ft Mounting bracket For mounting bracket DC power cable OPC 891A Microphone hanger and...

Page 66: ...an 10 mm 11 32 in thick and can support more than 5 kg 11 lb Mount the transceiver so that the face of the transceiver is at 90 to your line of sight when operating it CAUTION KEEP the transceiver and microphone at least 1 m 3 3 ft away from your vessel s magnetic navigation compass NOTE Check the installation angle the function display may not be easy to read at some angles OVERHEAD MOUNTING MOUN...

Page 67: ...e the transceiver through the hole as shown below e Attach the 2 supplied bolts M5 8 mm on either side of the IC M504 r Attach the clamps on either side of the IC M504 Make sure that the clamps align parallel to the IC M504 s body t Tighten the end bolts on the clamps rotate clockwise so that the clamps press firmly against the inside of the in strument control panel y Tighten the locking nuts rot...

Page 68: ...tric shock and or equipment damage Follow the case opening procedure shown here when you want to install an optional scrambler unit q Remove the 6 screws as shown below and open the transceiver w Disconnect the flat cable and NMEA 4 pin from J5 of the LOGIC unit e Install an optional unit UT 112 to J3 on the AF unit as shown below q LOGIC unit NMEA 4 pin Flat cable w AF unit Optional unit J3 ...

Page 69: ...installation The optional HM 157 can be connected to the transceiver di rectly as well as via the supplied connection cable for longer distance remote operation The connector of the connection cable can be installed into a cabinet wall etc as a built in plug The optional HM 162 should be installed to the transceiver using the supplied connection cable For longer distance remote operation the optio...

Page 70: ...e Using the mounting base as a template carefully mark the holes where the cable and three screws will be fastened r Drill holes at these marks t Install the mounting base using the supplied screws as shown below HM 162 HM 157 y The completed installation should look like this HM 162 HM 157 Gasket Cap Mounting base Nut Screw holes approx 2 d mm 3 32 Gasket Cap Mounting base Nut Screw holes approx ...

Page 71: ...65 9 CONNECTIONS AND MAINTENANCE 9 Gasket Mounting base Cap Nut 50 d mm 28 d mm 29 5 to 31 5 1 5 Ú 32 to D HM 162 ...

Page 72: ...66 9 CONNECTIONS AND MAINTENANCE 50 d mm 1 31 32 23 d mm 29 32 24 to 27 d mm 15 16 to 1 1 16 5 mm 3 16 Gasket Mounting base Cap Nut 2 mm 3 32 D HM 157 ...

Page 73: ...er can not be selected Some channels are programmed for low power or receive only in regulations The output power is set to low pp 6 7 70 p 8 Change channels Push H L to select high power Scan does not start TAG channel is not programmed Set the desired channels as TAG channels p 13 No beep sounds Beep tones are turned OFF The squelch is open Turn the beep tone ON in Set mode Set SQL to the thresh...

Page 74: ... Output power 25 W 1 W Modulation system Variable reactance frequency modulation Max frequency deviation 5 0 kHz Spurious emissions Less than 70 dBc 25 W Less than 56 dBc 1 W All stated specifications are subject to change without notice or obligation D Receiver Receive system Double conversion superheterodyne Sensitivity 12 dB SINAD 0 22 µV typical Squelch sensitivity Less than 0 32 µV Intermodul...

Page 75: ...ors are available Do not connect the HM 157 to the OPC 1541 HM 126RB RG hand microphone Equipped with Y 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 162 commandmic iii Up to 2 OPC 1541 can be connected 18 m 60 feet maximum OPC 999 microphone extension cable 6 m 20 feet microphone extension c...

Page 76: ...56 075 156 075 156 125 160 725 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 65A 156 325 160 925 66 66A 66A 1 156 325 156 325 66A 67 2 67 156 375 156 375 67 21A 21A 157 050 157 050 USA 21 157 050 161 650 21 CAN Transmit Receive INT Channel number Frequency MHz 71 71 156 575 156 575 71 72 72 156...

Page 77: ...Cut here HM 157 HM 162 Unit mm inch R12 Max MB 75 71 13 TEMPLATE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

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Page 79: ...tructions may cause harmful interfer ence to radio communications However there is no guaran tee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following mea sure...

Page 80: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6483H 1US r Printed in Japan 2003 2010 Icom Inc Printed on recycled paper with soy ink ...

Page 81: ...the transceiver stands by until the channel becomes clear If the transceiver cannot make the call the transponder will display DSC Transmission FAILED Individual Call Step r Transponder s operation After making the individual DSC call the transponder will display DSC Transmission COMPLETED Push CLEAR to return to the previous screen before you entered the voice channel selection screen in step w T...

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