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INSTRUCTION MANUAL

iM504A

VHF MARINE TRANSCEIVER

Summary of Contents for IC-M504A

Page 1: ...INSTRUCTION MANUAL iM504A VHF MARINE TRANSCEIVER ...

Page 2: ...rproof construction Optional COMMANDMICII HM 157 and COMMANDMICIII HM 162 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 M504A EXPLICIT DEFINITIONS WORD DEFINIT...

Page 3: ...ICKER 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 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 res cue USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE 1 ...

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: ... Operation 14 6 DSC OPERATION 15 47 MMSI code programming 15 DSC address ID 16 Position and time programming 18 Position and time indication 19 GPS information display 19 Distress call 20 Transmitting DSC calls 23 Receiving DSC calls 35 Received messages 43 DSC Set up menu 44 7 OTHER FUNCTIONS 48 52 Intercom operation 48 RX Speaker function 49 Hailer operation 50 Automatic Foghorn function 51 8 SE...

Page 6: ... with tem peratures below 20 C 4 F or above 60 C 140 F or in areas subject to direct sunlight such as the dashboard DO NOT use harsh solvents 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 BE CAREFUL The transceiver rear panel will become hot when operating continuously...

Page 7: ...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 the Restricted Radiotelephone Operator Permit must be posted or kept with the operator If required only a licensed radio operator may operate a transceiver However non licensed individuals may talk over...

Page 8: ...turn the Automatic Foghorn function ON p 51 t ATTENUATOR INTERCOM KEY LO DX IC SCRM Push to turn the Attenuator function ON or OFF p 8 LOC appears when the Attenuator function is turned ON Hold down for 1 second to activate an optional Inter com function p 48 Hold down to call the optional Command microphone while in Intercom mode p 48 While holding down H L push to turn the Voice Scrambler functi...

Page 9: ...op Dualwatch or Tri watch when either is ac tivated p 14 Push to move the cursor backward while in the channel comment programming mode p 9 While holding down 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 p 13 Push to start and stop No...

Page 10: ...age o AUTO SW ICON pp 46 47 Blinks when both the Auto Switch function and Auto Tune timer are turned OFF 0 CHANNEL NUMBER READOUT Indicates the selected operating channel number 1 CHANNEL COMMENT INDICATOR Channel comment appears if programmed p 9 In the Hailer mode WAIT appears while holding down PTT of the optional Command microphone 2 TIME ZONE INDICATOR Shows the current time data when a GPS r...

Page 11: ...rs during Normal scan p 13 DUAL 16 appears during Dualwatch TRI 16 ap pears during Tri watch p 14 5 SCRAMBLER ICON p 11 Appears when the voice scrambler function is turned ON only when the optional scrambler unit is installed 6 LOCAL ICON p 8 Appears when the Attenuator function is turned ON 7 BUSY TRANSMIT ICON p 8 BUSY appears when receiving a signal or when the squelch opens TX appears while tr...

Page 12: ...TC 12 00 CALLING Push D Channel 9 Call channel 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 and are used to store your most often used channel in each channel group for quick re call p 9 Hold down 16 9 for 1 second to select the Call channel of the selected channel group CALL and Call channel n...

Page 13: ...4 34 506N 123 23 236W UTC 12 00 TELEPHONE 25W CAN 34 34 506N 123 23 236W UTC 12 00 CCG Push DWeather channels The IC M504A has 10 weather channels These are used for monitoring broadcasts from NOAA National Oceanographic and Atmospheric Administration The transceiver can automatically detect a weather alert tone on the selected weather channel while receiving on another channel during standby on a...

Page 14: ... 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 Hold down PTT to transmit then speak into the micro phone at your normal voice level TX appears Channel 70 cannot be used for transmission other than DSC i Release PTT to receive Simplex channels 3 21 23 61 64 81 82 and 83 CANN...

Page 15: ...ncel The channel number stops blinking Channel comments Each channel can be labeled with a unique alphanumeric ID of up to 10 characters Capital letters small letters 0 to 9 some symbols and space can be used q Select the desired channel Cancel Dualwatch Tri watch or Scan first w While holding down H L push 16 9 to edit the chan nel comment A cursor and the first character start blinking alternate...

Page 16: ...ing down HI LO on the microphone turn ON the power to turn the Microphone Lock function ON or OFF HI LO Y Z Display backlight The function display and keys can be backlit for better visibil ity under low light conditions While holding down H L rotate DIAL to adjust the brightness of the LCD and key backlight Then push DIAL ENTER The backlight is adjustable in 7 levels and OFF 25W INT BACKLIGHT 7 E...

Page 17: ...when an optional scrambler unit is in stalled In order to understand one another all transceivers in your group must have the same scramble code This function may not be available depending on the dealer setting Depends on the installed scrambler unit q Turn the power OFF then while holding down 16 9 push POWER to enter the Set mode w After the display appears release 16 9 e Rotate DIAL to select ...

Page 18: ... use Refer to the right page for details Choose Priority or Normal scan in Set mode p 53 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 Nor...

Page 19: ...l scan and scan resume timer first using Set mode p 53 q While holding down H L push CH WX DUAL U I C one or more times to select the desired channel group if de sired w Set TAG channels as described to the 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 during Priority scan NORMAL SCAN appears during Normal scan When a si...

Page 20: ...I C again DUALWATCH TRI WATCH SIMULATION Dualwatch Tri watch Call channel Ch 88 Ch 16 Ch 88 Ch 16 Ch 88 Ch 9 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 hol...

Page 21: ...e DSC Set up menu DSC Menu Set up MMSI Check Push MENU Rotate DIAL then push DIAL ENTER r Rotate DIAL to input the specific 9 digit MMSI code Push 16 9 to move the cursor forward or CH WX DUAL U I C to move it backward Push CLR to cancel and return to the Set up menu DSC Menu MMSI Check _________ CLR Exit ENT OK t After inputting the 9 digit code push DIAL ENTER to program Returns to the set up me...

Page 22: ...tion ID DSC Menu Add Individual ID Input 9 digits _________ Input name _________ CLR Exit ENT OK e After inputting the ID name push DIAL ENTER to program r Push CLR or rotate DIAL to select Exit then push DIAL ENTER to return to the DSC menu Repeat step r again to return to the normal operating mode D Deleting Individual ID q Enter DEL INDV ID in the DSC Set up menu DSC Menu Set up DEL INDV ID Pus...

Page 23: ...C Menu Add Group ID Input 8 digits 0________ Input name _________ CLR Exit ENT OK e After inputting the ID name push DIAL ENTER to pro gram r Push CLR or rotate DIAL to select Exit then push DIAL ENTER to return to the DSC menu Repeat step r again to return to the normal operating mode D Deleting Group ID q Enter DEL Group ID in the DSC Set up menu DSC Menu Set up DEL Group ID Push MENU Rotate DIA...

Page 24: ... S South latitude when the cursor is on the N or S position Rotate DIAL to edit W West longitude or E East longitude when the cursor is on the W or E position Hold down CLR for 1 second to clear the latitude longitude data Push CLR to cancel and return to the DSC menu DSC Menu Input Position Latitude __ __ ___N Null Longitude __ __ ___W Null CLR 1sec Null Data CLR Exit ENT OK e After editing the p...

Page 25: ...several sentence formats the order of input precedence is RMC GGA GNS GLL and VTG When sentence format RMC is received the time dis play includes a date Thus the UTC or Local icon is not displayed may blink instead of position and time displays when the GPS data is invalid or has not been manually updated for 4 hours A warning alarm sounds when the GPS data has been interrupted for 10 minutes or h...

Page 26: ...5 seconds to transmit the Distress call Emergency channel Channel 70 is automatically selected and the Distress call is transmitted When no GPS is connected input your position and UTC time if possible p 44 While holding down DISTRESS the key backlighting blinks Distress Call Push for 5 sec e After transmitting the call the transceiver waits for an ac knowledgment call The Distress Call is automat...

Page 27: ...lid or has not been manually updated for 4 hours D Regular call The nature of the Distress call should be included in the Dis tress call q Enter Distress Setting in the DSC menu DSC Menu Distress Setting Push MENU Rotate DIAL then push DIAL ENTER w Rotate DIAL to select the nature of the distress then push DIAL ENTER Undesignated Explosion Flooding Collision Grounding Capsizing Sinking Adrift Disa...

Page 28: ...m Edit the current UTC time by rotating DIAL then push DIAL ENTER Push 16 9 to move the cursor forward or CH WX DUAL U I C to move it backward Hold down CLR for 1 second to clear the UTC time data Push CLR to cancel and return to the DSC menu DSC Menu Input UTC Time __ __ Null CLR 1sec Null Data CLR Exit ENT OK t Hold down DISTRESS for 5 seconds to transmit the Dis tress call While holding down DI...

Page 29: ...ration 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 only a specific ship q Enter Individual Call in the DSC menu DSC Menu Individual Call Push MENU Rotate DIAL then push DIAL ENTER w Rotate DIAL to select the desired pre programmed individual address or Manual Input then ...

Page 30: ...Exit ENT OK e Rotate DIAL to select a desired intership channel or Manual Input then push DIAL ENTER Intership channels are already preset into the transceiver in the recommended order After pushing DIAL ENTER Individual Call Ready is displayed DSC Menu Select Intership CH 08 69 77 06 CLR Exit ENT OK DSC Menu Individual Call Ready CLR Exit ENT OK r Push DIAL ENTER to transmit the Individual Call E...

Page 31: ...s on the transponder without needing to enter the target s MMSI code See the MA 500TR instruction manual for more details DTransmitting an Individual Acknowledgement When receiving an Individual Call you can transmit an ac knowledgement Able to comply or Unable to comply by using the on screen prompts Quick ACK Also you can send an acknowledgement through the menu system Man ual ACK Quick ACK Afte...

Page 32: ...After the call has been transmitted the channel speci fied by the calling station is automatically selected when Able to Comply is selected in step e Or the dis play returns to the previous screen before you entered the DSC menu when Unable to Comply is selected DTransmitting a Group Call The Group Call function allows you to transmit a DSC signal to only a specific group q Enter Group Call in the...

Page 33: ...ed order After pushing DIAL ENTER Group Call Ready is dis played DSC Menu Select Intership CH 08 69 77 06 CLR Exit ENT OK DSC Menu Group Call Ready CLR Exit ENT OK r Push DIAL ENTER to transmit the Group Call Emergency channel Channel 70 is automatically selected If Channel 70 is busy the transceiver stands by until the channel becomes clear t After the Group Call has been transmitted the followin...

Page 34: ... select a desired Traffic channel then push DIAL ENTER The selected channel is displayed After pushing DIAL ENTER All Ships Call Ready is displayed DSC Menu Select Traffic CH 16 CLR Exit ENT OK DSC Menu All Ships Call Ready CLR Exit ENT OK r Push DIAL ENTER to transmit the All Ships Call Emergency channel Channel 70 is automatically selected If Channel 70 is busy the transceiver stands by until th...

Page 35: ...ng as described on page 24 After pushing DIAL ENTER POS Request Ready is displayed DSC Menu Select Address Manual Input John Paul George CLR Exit ENT OK DSC Menu POS Request Ready CLR Exit ENT OK e Push DIAL ENTER to transmit the Position Request Call Emergency channel Channel 70 is automatically selected If Channel 70 is busy the transceiver stands by until the channel becomes clear r After the P...

Page 36: ...next steps e and r Current position time pro gramming do not appear Go to step t e The position information appears Rotate DIAL to edit your position data latitude and longitude p 18 r After editing the position data push DIAL ENTER to pro gram Rotate DIAL to edit the current UTC time then push DIAL ENTER p 18 After pushing DIAL ENTER Position Report Ready is displayed DSC Menu Position Report Rea...

Page 37: ...g as described on page 24 After pushing DIAL ENTER Polling Request Ready is displayed DSC Menu Select Address Manual Input John Paul George Michael CLR Exit ENT OK DSC Menu Polling Request Ready CLR Exit ENT OK e Push DIAL ENTER to transmit the Polling Request Call Emergency channel Channel 70 is automatically selected If Channel 70 is busy the transceiver stands by until the channel becomes clear...

Page 38: ... John Paul George Michael CLR Exit ENT OK When a GPS receiver NMEA0183 ver 2 0 or 3 01 is con nected next steps e and r Current position time pro gramming do not appear Go to step t e The position information appears Rotate DIAL to edit your position data latitude and longitude p 18 r After editing the position data push DIAL ENTER to pro gram Rotate DIAL to edit the current UTC time then push DIA...

Page 39: ...on Emergency channel Channel 70 is automatically selected If Channel 70 is busy the transceiver stands by until the channel becomes clear DTransmitting a Polling Reply Call Transmit a Polling Reply Call when a Polling Request Call is received When the Automatic Acknowledgement function is ON p 45 the transceiver automatically transmits a reply call after receiv ing a Polling Request call q Enter P...

Page 40: ...al Input then push DIAL ENTER The ID code for the Individual call can be set first p 16 When Manual Input is selected set the 9 digit MMSI ID code for the individual you wish to call with DIAL See About Manual Inputting as described on page 24 After pushing DIAL ENTER Test Call Ready is dis played DSC Menu Select Address Manual Input John Paul George CLR Exit ENT OK DSC Menu Test Call Ready CLR Ex...

Page 41: ... busy the transceiver stands by until the channel becomes clear r After the Test Ack call has been transmitted the display automatically returns to the previous screen before you entered the DSC menu Receiving DSC calls D Receiving a Distress Call When a Distress Call is received The emergency alarm sounds and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking continues ...

Page 42: ... function and Auto Tune timer settings See pages 46 and 47 for more details 25W INT TAG Received DistressACK Osaka Bay CLR Beep Off CALLING D Receiving a Distress Relay Call When a Distress Relay call is received The emergency alarm sounds and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking continues to blink Received DistressRLY appears on the display then Channel 16...

Page 43: ...t sound within 1 hour from re ceiving the distress relay or distress relay acknowledge ment call if receiving the duplicate call D Receiving an Individual Call When an Individual Call is received The emergency alarm or beeps sound depending on the received category Received Individual appears on the display and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking then push...

Page 44: ...essel push CLR to ignore the call continues to blink 25W INT TAG Received Group Icom CLR Beep Off SAFETY D Receiving an All Ships Call When an All Ships Call is received The emergency alarm sounds when the category is Dis tress or Urgency 2 beeps sound for other categories Received All Ships appears on the display and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking th...

Page 45: ...selected channel for an announcement from the calling station 25W INT TAG Received Geographic Osaka Bay CLR Beep Off SAFETY When no GPS receiver is connected or if there is a prob lem with the connected receiver all Geographical Area Calls are received regardless of your position D Receiving a Position Request Call When a Position Request Call is received The beeps sound Received POS Request appea...

Page 46: ...ved POS Report Paul CLR Beep Off SAFETY D Receiving a Polling Request call When a Polling Request call is received The beeps sound Received POLL REQ appears on the display and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking then push DIAL ENTER to reply to the call push CLR to ignore the call continues to blink 25W INT TAG Received POLL REQ Paul CLR Beep Off SAFETY D ...

Page 47: ...ion informa tion or push CLR to exit the screen continues to blink 25W INT TAG Received POS Reply Paul CLR Beep Off SAFETY D Receiving a Polling Reply Call When a Polling Reply Call is received The beeps sound Received POLL Reply appears on the display and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking then push CLR again to exit the screen continues to blink 25W INT...

Page 48: ...R to reply to the call push CLR to ignore the call continues to blink 25W INT TAG Received Test Call Paul CLR Beep Off SAFETY D Receiving a Test Acknowledgement Call When a Test Acknowledgement Call is received The beeps sound Received Test ACK appears on the display and the LCD backlight blink Push CLR to stop the beeps and the backlight blinking then push CLR again to exit the screen continues t...

Page 49: ... push DIAL ENTER w Rotate DIAL to select the desired item then push DIAL ENTER Blinking item s message has not been read DSC Menu Select Item 12 15 John 04 43 George CLR Exit ENT OK e Rotate DIAL to scroll the message contents 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 r Push CLR to exit or hold down CLR for 1...

Page 50: ...to select Exit then push DIAL ENTER to return to the normal operating mode DSC Set up menu D Add Individual ID Group ID See pages 16 17 D Delete Individual ID Group ID See pages 16 17 D Offset time This item sets the offset time from the UTC Universal Time Coordinated time q Enter Offset Time in the DSC Set up menu DSC Menu Set up Offset Time Push MENU Rotate DIAL then push DIAL ENTER w Rotate DIA...

Page 51: ...tion Report Polling Request or Test Call is received the transceiver automatically trans mits a Position Reply Position Report Reply Polling Reply or Test Acknowledgement Call respectively Only when the received Position Report call requires a reply q Enter Position Auto ACK in the DSC Set up menu DSC Menu Set up Position Auto ACK Push MENU Rotate DIAL then push DIAL ENTER w Rotate DIAL to turn th...

Page 52: ... Exit then push DIAL ENTER to return to the DSC menu Repeat step r again to return to the normal operating mode D Auto Switch function By regulation after receiving a Distress call the transceiver switches the operating channel to Channel 16 However when this setting is set to OFF the function enables the transceiver to remain on the operating channel even after receiving a Distress call q Enter A...

Page 53: ...the Auto Tune timer DSC Menu Auto Tune ON OFF CLR Exit ENT OK Default ON e Push DIAL ENTER to set and exit the setting Push CLR to cancel and exit the setting if desired The action of the transceiver may differ depending on the combination of the Auto Switch function and the Auto Tune timer settings as listed below Combined operation when receiving a DSC Call Auto Switch OFF ON Auto tune OFF The t...

Page 54: ...X IC SCRM for 1 second to sound the intercom beep The transceiver and the optional Command microphone sound beeps while holding down LO DX IC SCRM r Hold down PTT and speak into the microphone at a nor mal voice level TALK or LISTEN appears on the caller or listener function display respectively or appears on the HM 157 To adjust the IC M504A s speaker output level rotate VOL To adjust the HM 162 ...

Page 55: ...When this func tion is turned ON the received audio can be heard on the deck or tower through a hailer speaker Connect a hailer speaker as described on page 56 q Hold down HAIL RX for 1 second to enter the RX Speaker mode RX appears 25W INT RX TAG RX 15 ENT OK CALLING w Rotate DIAL to adjust the audio output level then push DIAL ENTER e To return to normal operating mode hold down HAIL RX for 1 se...

Page 56: ...ld down PTT and speak into the microphone at a nor mal voice level TALK appears WAIT appears on the display while holding down PTT of the optional Command microphone To adjust the hailer level rotate DIAL e After releasing PTT you can hear the response through the speaker r To return to normal operating mode push CLR or push HAIL RX While in the Hailer mode the transceiver s transmit and receive f...

Page 57: ...20 seconds Two 5 second blasts separated by 2 seconds every 120 sec onds One 5 second blast followed by two 1 second blasts each sepa rated 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 Sailing vessel underway fishing vessel under...

Page 58: ...econds of inactivity e Rotate DIAL to adjust the foghorn level then push DIAL ENTER The foghorn level is adjustable in 31 steps Even if ENT hasn t been pushed the selected foghorn level is set and the display automatically changes to the next step after 5 seconds of inactivity 25W INT TAG FOGHORN 15 ENT OK CALLING Rotate Push 25W INT TAG FOGHORN 15 UNDERWAY CALLING The selected foghorn pattern is ...

Page 59: ...DIAL ENTER t Push CLR or rotate DIAL to select Exit then push DIAL ENTER to exit the Set mode Rotate Set Mode Scan Type Scan Timer WX Alert Dual Tri Beep Contrast Foghorn Frequency Radio Power Scrambler Type Scrambler Code Remote ID Exit SET MODE CONSTRUCTION Set mode items D Scan type The transceiver has two scan types Normal scan and Priority scan Normal scan searches all TAG channels in the sel...

Page 60: ...ch or Tri watch p 14 Set Mode Dual Tri Tri watch Dualwatch Default Dualwatch D Beep tone You can select 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 Set Mode Beep ON OFF Default ON D LCD contrast This item adjusts the contrast of the LCD in 8 steps The level 1 is the lowest contrast and the level 8 is the high est...

Page 61: ...ler unit is installed the scrambler type can be selected depending on dealer setting The UT 98 is a discontinued model and the current model is the UT 112 Set Mode Scrambler Type UT 98 UT 112 Default UT 112 D Scrambler code Appears when a scrambler unit is installed The scrambler code can be set depending on dealer setting 32 codes 1 to 32 can be selected for UT 112 Default 1 128 codes 0 to 127 ca...

Page 62: ...MEA OUT e EXTERNAL SPEAKER LEAD Yellow Connects to an external speaker Inner conductor Outer conductor Speaker Speaker r HAILER FOGHORN LEAD Black Connects to a hailer speaker 25 W nominal at 13 8 V 4 t HAILER FOGHORN LEAD Blue Connects to a hailer speaker 25 W nominal at 13 8 V 4 y ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connector to the transceiver CAUTION Transmitting with...

Page 63: ...e tape as shown below to prevent water seeping into the trans ceiver Rubber vulcanizing tape D Connect to the MA 500TR Connect the transceiver to the MA 500TR class b ais trans ponder using the OPC 2014 nmea connector cable After connecting an Individual DSC call can be made to the AIS target using the transponder without entering the target s MMSI code The OPC 2014 is supplied with the MA 500TR N...

Page 64: ...amaged fuse with a new one of the proper rating Fuse rating 10 A n 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 alcohol as they will damage transceiver surfaces Supplied accessories Connection cable OPC 1000 6m 20 ft Mounting bracket For mounting bracket DC power cable OPC 891A Microphone hanger and screws 3 16 ...

Page 65: ...with the 4 supplied screws 5 20 mm 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 least 1 m 3 3 ft away from the vessel s magnetic navigation compass NOTE Check the installation angle the function display may not be easy to read at some angles OVERHEAD MOUNTING MOUNTING ON THE BOARD...

Page 66: ...er through the hole as shown below e Attach the 2 supplied bolts M5 8 mm on either side of the IC M504A r Attach the clamps on either side of the IC M504A Make sure that the clamps align parallel to the IC M504A s body r r Clamp Supplied bolt 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 Torque 0 6 N m y T...

Page 67: ... shown here when you want to install an optional scrambler unit The UT 98 is the discontinued model and the current model is the UT 112 q Remove the 6 screws as shown below and open the trans ceiver w Disconnect the flat cable and NMEA 4 pin from J5 of the LOGIC unit q LOGIC unit NMEA 4 pin Flat cable w e Install an optional scrambler unit to J3 on the AF unit as shown below AF unit Optional unit ...

Page 68: ...e optional unit remove it vertically Wiggling the unit from side to side may damage the con nector Microphone installation HM 126 HM 157 HM 162 The supplied optional HM 126 and optional HM 157 can be connected to the transceiver directly as well as using the long connection cable that comes with the microphone The connection cable is used for a longer distance remote operation and the cable connec...

Page 69: ... directly into the transceiver s microphone connector HM 126 or external microphone jack HM 157 and tighten the cable nut The optional HM 162 cannot be directly connected to the trans ceiver For the HM 162 connection refer to Microphone connec tion with the cable as below Microphone connection with the cable q Insert the HM 126 s supplied connection cable into the transceiver s microphone connecto...

Page 70: ...arefully 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 126 HM 157 Gasket Cap Mounting base Nut Screw holes approx 2 d mm 3 32 HM 162 Gasket Cap Mounting base Nut Screw holes approx 2 d mm 3 32 y The completed installation should look like this HM 126 HM 157 HM 162 ...

Page 71: ...65 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 126 HM 157 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Page 72: ...66 9 CONNECTIONS AND MAINTENANCE 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 73: ... high power can not be selected Some channels are programmed for low power or receive only by 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 Turn the beep tone ON in Set mode p 54 Distress call cannot be tra...

Page 74: ...nsmitter 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 In...

Page 75: ...99 microphone extension cable 6 m 20 feet microphone extension cable for optional HM 157 commandmicii Up to 2 OPC 999 can be connected 18 m 60 feet maximum OPC 1541 microphone extension cable 6 m 20 feet microphone extension cable for optional HM 162 commandmiciii Up to 2 OPC 1541 can be con nected 18 m 60 feet maximum OPC 1000 microphone connection cable 6 m 20 feet microphone connection cable fo...

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: ...M 126 HM 157 HM 162 Unit mm inch 24 to 27 d 15 16 to 11 16 2 3 32 165 6 1 2 110 4 11 32 146 5 3 4 92 4 3 5 8 2 3 32 29 5 to 31 5 d 15 32 to 11 4 R12 Max MB 75 71 13 TEMPLATE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Page 78: ......

Page 79: ...ce 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 sures Reorient or relocate the receiving an...

Page 80: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6932D 1US Printed in Japan 2011 Icom Inc Printed on recycled paper with soy ink ...

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