mportant operatng nstructons for the IC-M504. We want to take a couple of moments of your tme to thank you for makng the IC-M504 your rado of choce, and hope you agree wth Icom’s phlosophy of “technology first.” Many EXPLICIT DEFINITIONS hours of research and development went nto the desgn of your IC-M504.
IN CASE OF EMERGENCY NOTE A WARNING STICKER s suppled wth the transcever. If your vessel requres assstance, contact other vessels and the Coast Guard by sendng a Dstress call on Channel 16. To comply wth FCC regulatons, ths stcker must be affixed n such a locaton as to be readly seen from the operatng con- USING CHANNEL 16 trols of the rado as n the dagram below.
RADIO OPERATOR WARNING FAILURE TO OBSERVE THESE LIMITS MAY ALLOW Icom requres the rado operator to meet the FCC Requrements for Rado Frequency Expo- THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF RADIATION ABSORPTION WHICH EXCEEDS THE FCC sure. An omndrectonal antenna wth gan not greater than 9 dB must be mounted a mn- MAXIMUM PERMISSIBLE EXPOSURE (MPE) LIMIT.
CAUTION: Changes or modfcatons to ths devce, not BE CAREFUL! expressly approved by Icom Inc., could vod your authorty to The transcever rear panel wll become operate ths devce under FCC regulatons. hot when operatng contnuously for long perods.
OPERATING RULES D PRIORITIES (2) OPERATOR’S LICENSE A Restrcted Radotelephone Operator Permt s the lcense • Read all rules and regulatons pertanng to prortes and most often held by small vessel rado operators when a rado keep an up-to-date copy handy. Safety and Dstress calls s not requred for safety purposes.
PANEL DESCRIPTION ■ Front panel Speaker Function display (p. 4) r HAIL/RX SPEAKER KEY [HAIL•RX ➥ Push to turn the haler mode ON or OFF. (p. 52) ➥ Push and hold for 1 sec. to turn the RX Speaker mode ON or OFF.
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PANEL DESCRIPTION u CHANNEL SELECTOR [DIAL•ENTER] o SQUELCH CONTROL [SQL] ➥ Rotate to select the operatng channels, Set mode set- Rotate to set the squelch threshold level. (p. 8) tngs, etc. (pgs. 6–8, 55) !0 SCAN/TAG KEY [SCAN•TAG] (p. 13) ➥...
PANEL DESCRIPTION ■ Function display y CALL CHANNEL INDICATOR (pgs. 6, 9) q w e r t Appears when the call channel s selected. u LOW BATTERY INDICATOR BUSY 25W CALL Blnks when the battery voltage drops to approx. 10 V DC LOC RX or below.
PANEL DESCRIPTION ■ Microphone !1 POSITION INDICATOR ➥ Shows the GPS poston data. • “??” may blnk every 2 sec. nstead of poston data when Microphone the GPS poston data s nvald. In such a case, the last po- ston data s held for up to 23.5 hours. •...
BASIC OPERATION ■ Channel selection D Channel 9 (Call channel) D Channel 16 Each regular channel group has a separate lesure-use call Channel 16 s the dstress and safety channel. It s used for channel. The call channel s montored durng Tr-watch. The establshng ntal contact wth a staton and for emergency call channels can be programmed (p.
BASIC OPERATION D U.S.A., international and Canadian channels D Weather channels The IC-M504 s pre-programmed wth 57 U.S.A., 57 nter- The IC-M504 has 10 pre-programmed weather channels. natonal and 61 Canadan channels. These channel groups These are used for montorng broadcasts from NOAA (Na- may be specfied for the operatng area.
BASIC OPERATION ■ Receiving and transmitting CAUTION: Transmttng wthout an antenna may dam- Smplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN- age the transcever. NOT be lawfully used by the general publc n U.S.A. wa- ters. q Push [POWER] to turn power ON.
BASIC OPERATION ■ Call channel programming r Rotate [DIAL] to select the Call channel s used to select Channel 9 (default); however, CALL you can program the call channel wth your most often-used desred channel. channels n each channel group for quck recall. 34 34.506N q Whle pushng and hold- 123 23.236W...
BASIC OPERATION ■ Channel comments ■ Microphone Lock function The Mcrophone Lock functon electrcally locks [Y]/[Z] and Memory channels can be labelled wth a unque alphanu- merc ID of up to 10 characters. [HI/LO] keys on the suppled mcrophone. Ths prevents ac- cdental channel changes and functon access.
BASIC OPERATION ■ Optional voice scrambler operation D Activating the scrambler D Programming scrambler codes The optonal voce scrambler provdes prvate communca- There are 32 codes (1 to 32) or 128 codes (0 to 127)* aval- tons. In order to receve or send scrambled transmssons you able for programmng when an optonal scrambler unt s must first actvate the scrambler functon.
SCAN OPERATION ■ Scan types Set the TAG channels (scanned channel) before scannng. Scannng s an efficent way to locate sgnals quckly over a Clear the TAG channels whch nconvenently stop scannng, wde frequency range. The transcever has Prorty scan and such as those for dgtal communcaton use.
SCAN OPERATION ■ Setting TAG channels ■ Starting a scan For more effcent scannng, add the desred channels as Set scan type (Prorty or Normal scan) and scan resume TAG channels or clear the TAG for unwanted channels. tmer n advance, usng Set mode. (p. 55) Channels that are not tagged wll be skpped durng scan- q Whle pushng and holdng [H/L], push [CH/WX•DUAL•...
DUALWATCH/TRI-WATCH ■ Description ■ Operation Dualwatch montors Channel 16 whle you are recevng q Select Dualwatch or Tr-watch n Set mode. (p. 56) on another channel; Tr-watch montors Channel 16 and the w Rotate [DIAL] to select the desred operatng channel. call channel whle recevng another channel.
DSC OPERATION ■ MMSI code programming u Rotate [DIAL] to set the specfic 9-dgt MMSI code. The 9-dgt MMSI (Martme Moble Servce Identty: DSC • Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor for- self ID) code can be programmed at power ON. ward or backward, respectvely.
DSC OPERATION ■ DSC address ID r Rotate [DIAL] to set the ndvdual ID and ID name. A total of 100 DSC address IDs can be programmed and • Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor for- named wth up to 10 characters. ward or backward, respectvely.
DSC OPERATION D Deleting Individual ID q Push [MENU] to enter the DSC menu. r Rotate [DIAL] to select the desred ID name for deletng. w Rotate [DIAL] to select “Set up,” push [DIAL•ENTER]. --DSC Menu-- Select ID --DSC Menu-- John Select Item Paul...
DSC OPERATION D Programming Group ID q Push [MENU] to enter the DSC menu. r Rotate [DIAL] to set the group ID and ID name. w Rotate [DIAL] to select “Set up,” push [DIAL•ENTER]. • The group ID s a unque number that you create for your group. The ID name s an assocated text name for that group.
Push [MENU] to enter the DSC menu. r Rotate [DIAL] to select the desred ID name for deletng. w Rotate [DIAL] to select “Set up,” push [DIAL•ENTER]. --DSC Menu-- Select ID --DSC Menu-- Icom Select Item Group A Position Report ˘Group B Polling Request...
DSC OPERATION ■ Position and time programming A dstress call should nclude the shp’s poston and tme --DSC Menu-- Input Position data. If no GPS s connected, your poston and UTC (Un- Latitude versal Tme Coordnated) tme should be nput manually. __ __.___N Null Longitude...
[DIAL•ENTER] for 1 sec. dsplays the manually entered poston and tme. --GPS Info-- Push for 1 sec. A GPS recever approprate for the IC-M504 s not suppled DATE : JAN/16/2006 by Icom. A GPS recever wth NMEA0183 ver. 2.0 or 3.01 : 12:00 34 34.506N...
DSC OPERATION ■ Distress call e After transmttng the dstress call, the transcever wats A dstress call should be transmtted, f n the opnon of the Master, the shp or a person s n dstress and requres m- for an acknowledgment call on Channel 70. •...
DSC OPERATION D Regular call ➥ A dstress alert contans (default); • Nature of dstress : Undesgnated dstress The nature of the dstress call should be ncluded n the ds- • Poston data : GPS or manual nput poston data held tress call.
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DSC OPERATION Regardless of a GPS recever (NMEA0183 ver. 2.0 or --DSC Menu-- 3.01) connecton, the current poston/tme nformaton Input UTC Time appears n steps r and t. If the nformaton s not nec- __:__ Null essary to be changed, push [DIAL•ENTER] or [16•9] several tmes to skp the data nput steps.
DSC OPERATION ■ Transmitting DSC calls i After recevng the acknowledgment, reply usng the m- crophone. To ensure correct operaton of the DSC functon, please make sure you set the squelch correctly. (p. 8) D Transmitting an individual call Received DistressACK The ndvdual call functon allows you to transmt a DSC sg- <Osaka Bay...
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DSC OPERATION e Rotate [DIAL] to select the desred pre-programmed r Rotate [DIAL] to select a desred ntershp channel, push ndvdual address or “Manual Input,” push [DIAL• [DIAL•ENTER]. ENTER]. • Intershp channels are already preset nto the transcever n rec- ommended order.
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DSC OPERATION D Transmitting an individual acknowledgement y Standby on Channel 70 untl an acknowledgement s re- ceved. When recevng an ndvdual call, you can transmt an ac- knowledgement (‘Able to comply’ or ‘Unable to comply’) by --DSC Menu-- usng the on screen prompts (see page 42 for detals). You Individual Call TX Complete can also send an acknowledgement through the menu sys-...
After the ndvdual acknowledgement call has been Select Address Manual Input transmtted, the specfed channel (specfed by the call- ˘Icom ng staton) s selected automatcally when “Able to Coast station Comply” s selected, or returns to the prevous condton (before enterng the DSC menu) when “Unable to...
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DSC OPERATION r Rotate [DIAL] to select a desred ntershp channel, push y After the group call has been transmtted, the followng [DIAL•ENTER]. ndcaton s dsplayed. • Intershp channels are already preset nto the transcever n rec- ommended order. --DSC Menu-- Group Call TX Complete --DSC Menu--...
DSC OPERATION D Transmitting an all ships call e Rotate [DIAL] to select the desred category, push [DIAL• Large shps use Channel 70 as ther ‘lstenng channel.’ ENTER]. When you want to announce a message to all shps wthn range, use the all shps call functon. •...
DSC OPERATION D Transmitting a position request call t After the all shps call has been transmtted, the followng ndcaton s dsplayed. Transmt a poston request call when you want to know a specfic shp’s current poston, etc. --DSC Menu-- All Ships Call q Push [MENU] to enter the DSC menu.
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DSC OPERATION e Rotate [DIAL] to select the desred pre-programmed ndvd- t After the poston request call has been transmtted, the ual address or “Manual Input,” push [DIAL•ENTER]. followng ndcaton s dsplayed. • The ID code can be set n advance. (p. 17) --DSC Menu-- •...
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DSC OPERATION D Transmitting a position report call Regardless of a GPS recever (NMEA0183 ver. 2.0 or Transmt a poston report call when you want to announce your own poston to a specfic shp and to get an answer, etc. 3.01) connecton, the current poston/tme nformaton appears n steps r and t.
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DSC OPERATION u After the poston report call has been transmtted, the fol- --DSC Menu-- lowng ndcaton s dsplayed. Input UTC Time __:__ Null --DSC Menu-- Position Report TX Complete <CLR 1sec Null Data> Now Waiting for ACK <CLR Exit / ENT OK> --DSC Menu-- Position Report Ready <CLR Exit>...
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DSC OPERATION D Transmitting a polling request call Transmt a pollng request call when you want to know f a --DSC Menu-- specfic vessel s wthn communcaton range. Select Address Manual Input John q Push [MENU] to enter the DSC menu. ˘Paul w Rotate [DIAL] to select “Polling Request,”...
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DSC OPERATION D Transmitting a position request reply call Transmt a poston request reply call when a poston re- t After the pollng request call has been transmtted, the fol- quest call s receved. lowng ndcaton s dsplayed. When the automatc acknowledgement functon s ON (p. 48), --DSC Menu-- Polling Request the transcever automatcally transmts a reply call after re-...
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DSC OPERATION Regardless of a GPS recever (NMEA0183 ver. 2.0 or 3.01) connecton, the current poston/tme nformaton --DSC Menu-- appears n steps r and t. If the nformaton s not nec- Input UTC Time essary to be changed, push [DIAL•ENTER] or [16•9] __:__ Null several tmes to skp the data nput steps.
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DSC OPERATION D Transmitting a position report reply call e Rotate [DIAL] to select the desred ndvdual address or Transmt a poston report reply call when a poston report ID code, push [DIAL•ENTER]. call s receved. --DSC Menu-- When the automatc acknowledgement functon s ON (p. 48), Select Address the transcever automatcally transmts a reply call after re- Manual Input...
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DSC OPERATION D Transmitting a polling request reply call e Rotate [DIAL] to select the desred ndvdual address or Transmt a pollng reply call when a pollng request call s re- ID code, push [DIAL•ENTER]. ceved. --DSC Menu-- When the automatc acknowledgement functon s ON (p. 48), Select Address the transcever automatcally transmts a reply call after re- Manual Input...
DSC OPERATION ■ Receiving DSC calls D Receiving a distress call Whle montorng Channel 70 and a dstress call s receved: ➥ The emergency alarm sounds for 2 mnutes. Received • Push [CLR] to stop the alarm. DistressACK ➥ “Received Distress” appears n the dsplay, then <Osaka Bay <CLR Channel 16 s automatcally selected.
ng staton for voce communcaton (dependng on your replyng condton see p. 28 for ndvdual acknowledge- ment call procedure for detals.); push [CLR] to gnore the Received ndvdual call. Group <Icom <CLR Beep Off> SAFETY Received Individual D Receiving an all ships call <Paul...
DSC OPERATION D Receiving a position request call Whle montorng Channel 70 and a poston request call s receved: Received ➥ “Received POS Request” appears n the dsplay. All Ships <Paul ➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] <CLR to reply to the poston request call;...
DSC OPERATION D Receiving a polling request call D Receiving a position report reply call Whle montorng Channel 70 and a pollng request call s Whle montorng Channel 70 and a poston report reply call receved: s receved: ➥ “Received POLL REQ” appears n the dsplay. ➥...
DSC OPERATION ■ Received messages w Rotate [DIAL] to scroll to the desred message, push The transcever automatcally stores up to 20 dstress mes- [DIAL•ENTER]. sages and 20 other messages. The messages can be used • Messages whch are blnkng have not been read. as an assstance to the logbook.
DSC OPERATION D Other messages q Rotate [DIAL] to select “Other,” push [DIAL•ENTER]. e Rotate [DIAL] to scroll the message. • The stored message has varous nformaton, dependng on the type of dstress call. --DSC Menu-- Select Message Distress --DSC Menu-- ˘Other Individual Call <Paul...
DSC OPERATION ■ DSC Set mode D MMSI code check r Set the offset tme from the UTC (Unversal Tme Coord- (See p. 16) nated) tme by rotatng [DIAL]. D Add Individual ID/Group ID (See pgs. 17, 19) • Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor for- D Delete Individual ID/Group ID (See pgs.
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DSC OPERATION D Automatic acknowledgement r Rotate [DIAL] to turn the automatc acknowledgement Ths tem sets the automatc acknowledgement functon to ON or OFF. functon ON or OFF. When a poston request, poston report or pollng request --DSC Menu-- call s receved, the transcever automatcally transmts a po- Auto ACK ston request reply, poston report reply or pollng reply call, ˘ON...
DSC OPERATION D NMEA Output r Rotate [DIAL] to select the NMEA Output functon from Select an NMEA Output functon from OFF, All Staton or Lst Staton. OFF, All Staton or Lst Staton. When recevng poston acknowledgment, the transcever • Lst Staton : Outputs the poston data from the specfed ves- sels lsted on the DSC ndvdual ID screen.
” or “ ” appears on the HM-157. Connect an optonal command mcrophone as descrbed on • To adjust the IC-M504’s speaker output level, rotate [VOL]. p. 63. • To adjust the HM-162’s speaker output level, rotate [SELEC- • Transmttng s mpossble durng Intercom operaton.
■ RX Speaker function • Whle n the Intercom mode, the transcever functons The IC-M504 has an RX Speaker functon. When ths func- ton s turned ON, the receved audo can be heard on the (transmt and receve) are nterrupted. If the transcever deck or tower va an external speaker or haler speaker.
■ Hailer operation • Whle n the haler mode, the transcever functons (trans- The IC-M504 has a haler functon for voce amplfcaton over a loudspeaker, makng t unnecessary to leave the mt and receve) are nterrupted. If the transcever s n transmt condton, the haler functon s not avalable.
OTHER FUNCTIONS ■ Automatic foghorn function The foghorn outputs from the haler speaker. To use ths The automatc foghorn functon sounds a horn repeatedly untl the functon s turned OFF. Four patterns are avalable functon, the haler speaker must be connected to the trans- cever.
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OTHER FUNCTIONS q Whle pushng and holdng [H/L], push [HAIL•RX ] to e Rotate [DIAL] to adjust the foghorn level, push [DIAL• enter auto foghorn mode. ENTER]. • The foghorn level s adjustable n 30 steps. • Even f [ENT] hasn’t been pushed, the dsplay automatcally changes to the next step after 5 sec.
SET MODE ■ Set mode programming ■ Set mode items D Scan type Set mode s used to change the condtons of the transcever’s functons: Scan type, Scan resume tmer, Weather alert, Dual/ The transcever has 2 scan types: Normal scan and Prorty Tr-watch, Beep tone, LCD contrast, Automatc foghorn fre- scan.
SET MODE D Weather alert D Beep tone You can select the slent operaton by turnng beep tones A NOAA broadcast staton transmts a weather alert tone OFF or you can have confirmaton beeps sound at the push before mportant weather nformaton. of a key by turnng beep tones ON.
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SET MODE D Automatic foghorn frequency D Scrambler type The audo frequency of the automatc foghorn can be ad- (Appears when a scrambler unt s nstalled) justed to sut your preference. Whle ths tem s selected, When an optonal scrambler unt s nstalled, the scrambler pushng [PTT] outputs the foghorn—...
CONNECTIONS AND MAINTENANCE ■ Connections e EXTERNAL SPEAKER LEAD (Yellow) Connects to an external speaker. Outer conductor : Speaker (−) Inner conductor : Speaker (+) r HAILER/FOGHORN (–) LEAD (Black) Connects to a haler speaker (25 W nomnal at 13.8 V/4 ˘). t HAILER/FOGHORN (+) LEAD (Blue) Do not Connects to a haler speaker (25 W nomnal at 13.8 V/4 ˘).
CONNECTIONS AND MAINTENANCE ■ Supplied accessories CAUTION: After connectng the DC power cable, NMEA IN/ Mounting bracket For mounting bracket OUT leads, external speaker lead and haler/foghorn lead, Knob bolts Flat washers (M5) cover the connector and leads wth an adhesve tape as shown below, to prevent water seepng nto the transcever.
CONNECTIONS AND MAINTENANCE ■ Mounting the transceiver D Using the supplied mounting bracket The unversal mountng bracket suppled wth your trans- • OVERHEAD MOUNTING cever allows overhead or dashboard mountng. • Mount the transcever securely wth the 4 suppled screws (5 ×...
IC-M504. r Attach the clamps on ether sde of the IC-M504. u Connect the antenna and power cable, then return the • Make sure that the clamps algn parallel to the IC-M504’s body. nstrument control panel to ts orgnal place.
CONNECTIONS AND MAINTENANCE ■ UT-112 installation CAUTION: DISCONNECT the DC power cable from the w Dsconnect the flat cable and NMEA (4 pn) from J5 of the transcever before performng any work on the trans- LOGIC unt. cever. Otherwse, there s danger of electrc shock and/or LOGIC unit equpment damage.
CONNECTIONS AND MAINTENANCE ■ HM-162/HM-157 installation r Return the cables and screws to the orgnal poston. • Be sure not upsde down the flat cable. CAUTION: • When re-assemblng the case and tghtenng the screws, you must keep the specfed torque (0.5±0.07 N.m).
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CONNECTIONS AND MAINTENANCE • HM-157 q Insert the suppled cable nto the external mcrophone jack and tghten the cable nut as shown below. Mounting base Gasket Screw holes (approx. 2 (d) mm; ⁄ ˝) y The completed nstallaton should look lke ths. •...
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CONNECTIONS AND MAINTENANCE D HM-162 Mounting base Gasket...
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CONNECTIONS AND MAINTENANCE D HM-157 Mounting base 5 mm; ⁄ ˝ 2 mm; ⁄ ˝ Gasket...
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transcever does • Bad connecton to the power supply. • Check the connecton to the transcever. p. 58 not turn ON. No sound from speaker. • Squelch level s too hgh. • Set [SQL] to the threshold pont. p.
SPECIFICATIONS AND OPTIONS 165 (6 Ú 77 (3 Ú 31.4 ■ Options Ú D Dimensions • MB-75 flush mount kit For mountng the transcever to a panel. • HM-162 ™ commandmic iii External mcrophone-type controller. Provdes optonal nter- com operaton. 6 m (20 feet) mcrophone cable and mount- ng base ncluded.
CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive 156.050 160.650 157.050 161.650 156.425 156.425 157.325 157.325 156.050 156.050 21A 157.050 157.050 156.475 156.475 157.375 161.975...
FCC INFORMATION • FOR CLASS B UNINTENTIONAL RADIATORS: Ths equpment has been tested and found to comply wth the lmts for a Class B dgtal devce, pursuant to part 15 of the FCC Rules. These lmts are desgned to provde reason- able protecton aganst harmful nterference n a resdental nstallaton.
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