(Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries. including salt, otherwise, the keys and switch may become COMMANDMIC II and COMMANDMIC III is a trademark of Icom Incorporated inoperable due to salt crystallization. (Japan) in the United States.
IN CASE OF EMERGENCY NOTE If your vessel requires assistance, contact other vessels and A WARNING STICKER is supplied with the transceiver. the Coast Guard by sending a Distress call on Channel 16. To comply with FCC regulations, this sticker must be affixed in such a location as to be readily seen from the operating con- USING CHANNEL 16 trols of the radio as in the diagram below.
RADIO OPERATOR WARNING Icom requires the radio operator to meet the FAILURE TO OBSERVE THESE LIMITS MAY ALLOW FCC Requirements for Radio Frequency Expo- THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF sure. An omnidirectional antenna with gain not RADIATION ABSORPTION WHICH EXCEEDS THE FCC greater than 9 dBi must be mounted a minimum MAXIMUM PERMISSIBLE EXPOSURE (MPE) LIMIT.
TABLE OF CONTENTS I Position and time programming ……………………………… 21 FOREWORD …………………………………………………………… i I Position and time indication …………………………………… 22 IMPORTANT …………………………………………………………… i I GPS information indication …………………………………… 22 EXPLICIT DEFINITIONS ……………………………………………… i I Distress call …………………………………………………… 23 IN CASE OF EMERGENCY…………………………………………… ii I Transmitting DSC calls …………………………………………...
CAUTION: Changes or modifications to this device, not ex- BE CAREFUL! The transceiver and the optional HM-162 pressly approved by Icom Inc., could void your authority to ™/HM-157 ™ employ water- operate this device under FCC regulations. COMMANDMIC III...
OPERATING RULES D D PRIORITIES (2) OPERATOR’S LICENSE A Restricted Radiotelephone Operator Permit is the license • Read all rules and regulations pertaining to priorities and most often held by small vessel radio operators when a radio keep an up-to-date copy handy. Safety and Distress calls is not required for safety purposes.
PANEL DESCRIPTION I Front panel r HAIL/RX SPEAKER KEY [HAIL•RX Speaker Function display (p. 4) ➥ Push to turn the hailer 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 operating channels, Set mode set- Rotate to set the squelch threshold level. (p. 8) tings, etc. (pgs. 6–8, 55) !0 SCAN/TAG KEY [SCAN•TAG] (p. 13) ➥...
PANEL DESCRIPTION I Function display y CALL CHANNEL INDICATOR (pgs. 6, 9) q w e r t Appears when the call channel is selected. u LOW BATTERY INDICATOR BUSY 25W CALL Blinks when the battery voltage drops to approx. 10 V DC LOC RX or below.
PANEL DESCRIPTION I Microphone !1 POSITION INDICATOR ➥ Shows the GPS position data. • “? ? ? ? ” may blink every 2 sec. instead of position data when the Microphone GPS position data is invalid. In such a case, the last position data is held for up to 23.5 hours.
BASIC OPERATION I Channel selection ï ï Channel 16 ï ï Channel 9 (Call channel) Channel 16 is the distress and safety channel. It is used for Each regular channel group has a separate leisure-use call establishing initial contact with a station and for emergency channel.
BASIC OPERATION ï ï U.S.A., international and Canadian channels ï ï Weather channels The IC-M504 is pre-programmed with 57 U.S.A., 57 interna- The IC-M504 has 10 pre-programmed weather channels. tional and 61 Canadian channels. These channel groups may These are used for monitoring broadcasts from NOAA (Na- be specified for the operating area.
BASIC OPERATION I Receiving and transmitting CAUTION: Transmitting without an antenna may dam- Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN- age the transceiver. NOT be lawfully used by the general public in U.S.A. wa- ters. q Push [POWER] to turn power ON.
BASIC OPERATION I Call channel programming r Rotate [DIAL] to select the Call channel is used to select Channel 9 (default); however, CALL CALL you can program the call channel with your most often-used desired channel. channels in each channel group for quick recall. 34°34.506N 34.506N q While pushing and holding...
BASIC OPERATION I Channel comments I Microphone Lock function Memory channels can be labelled with a unique alphanumeric The Microphone Lock function electrically locks [Y]/[Z] and ID of up to 10 characters. [HI/LO] keys on the supplied microphone. This prevents ac- cidental channel changes and function access.
BASIC OPERATION I Optional voice scrambler operation D D Activating the scrambler D D Programming scrambler codes The optional voice scrambler provides private communica- There are 32 codes (1 to 32) or 128 codes (0 to 127)* avail- tions. In order to receive or send scrambled transmissions able for programming when an optional scrambler unit is in- you must first activate the scrambler function.
SCAN OPERATION I Scan types Scanning is an efficient way to locate signals quickly over a Set the TAG channels (scanned channel) before scanning. wide frequency range. The transceiver has Priority scan and Clear the TAG channels which inconveniently stop scanning, Normal scan.
SCAN OPERATION I Setting TAG channels I Starting a scan For more efficient scanning, add the desired channels as TAG Set scan type (Priority or Normal scan) and scan resume channels or clear the TAG for unwanted channels. timer in advance, using Set mode. (p. 55) Channels that are not tagged will be skipped during scanning.
DUALWATCH/TRI-WATCH I Description I Operation q Select Dualwatch or Tri-watch in Set mode. (p. 56) Dualwatch monitors Channel 16 while you are receiving w Rotate [DIAL] to select the desired operating channel. on another channel; Tri-watch monitors Channel 16 and the e Push [CH/WX•DUAL•U/I/C] for 1 sec.
DSC OPERATION I MMSI code programming u Rotate [DIAL] to set the specific 9-digit MMSI code. The 9-digit MMSI (Maritime Mobile Service Identity: DSC self • Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward ID) code can be programmed at power ON. or backward, respectively.
DSC OPERATION I MMSI code check r Check the 9-digit MMSI (DSC self ID) code. The 9-digit MMSI (DSC self ID) code can be checked. --DSC Menu-- q Push [MENU] to enter the DSC menu. MMSI Check w Rotate [DIAL] to select “S S e e t t u u p p ,” push [DIAL•ENTER]. 123456789 --DSC Menu-- Select Item...
DSC OPERATION I DSC address ID r Rotate [DIAL] to set the individual 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 forward named with up to 10 characters. or backward, respectively.
DSC OPERATION D D Deleting Individual ID r Rotate [DIAL] to select the desired ID name for deleting. q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “S S e e t t u u p p ,” push [DIAL•ENTER]. --DSC Menu-- Select ID --DSC Menu--...
DSC OPERATION D D Programming Group ID r Rotate [DIAL] to set the group ID and ID name. q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “S S e e t t u u p p ,” push [DIAL•ENTER]. •...
Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “S S e e t t u u p p ,” push [DIAL•ENTER]. --DSC Menu-- Select ID --DSC Menu-- Icom Select Item Group A Position Report ˘Group B...
DSC OPERATION I Position and time programming A distress call should include the ship’s position and time --DSC Menu-- data. If no GPS is connected, your position and UTC (Univer- Input Position sal Time Coordinated) time should be input manually. They Latitude __°__.___N Null...
--GPS Info-- A GPS receiver appropriate for the IC-M504 is not supplied Push for 1 sec. by Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01 for- DATE : JAN/16/2006 : 12:00 mat is required for position and time indication. Ask your 34°34.506N...
DSC OPERATION I Distress call e After transmitting the distress call, the transceiver waits for A distress call should be transmitted, if in the opinion of the Master, the ship or a person is in distress and requires imme- an acknowledgment call on Channel 70. diate assistance.
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DSC OPERATION ➥ A distress alert contains (default); D D Regular call • Nature of distress : Undesignated distress The nature of the distress call should be included in the dis- • Position data : GPS or manual input position data held tress call.
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DSC OPERATION When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con- --DSC Menu-- nected, steps r and t (Current position/time program- Input UTC Time ming) do not appear. Go to step y. __:__ Null r The position information appears. Set your position (lati- <CLR <CLR 1sec 1sec˘Null...
DSC OPERATION I Transmitting DSC calls i After receiving the acknowledgment, reply using the mi- crophone. To ensure correct operation of the DSC function, please make sure you set the squelch correctly. (p. 8) D D Transmitting an individual call Received DistressACK The individual call function allows you to transmit a DSC sig-...
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DSC OPERATION e Rotate [DIAL] to select the desired pre-programmed indi- r Rotate [DIAL] to select a desired intership channel, push “M M a a n n u u a a l l I I n n p p u u t t ,” vidual address push...
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DSC OPERATION y Standby on Channel 70 until an acknowledgement is re- D D Transmitting an individual acknowledgement ceived. When receiving an individual call, you can transmit an ac- knowledgement (‘Able to comply’ or ‘Unable to comply’) by --DSC Menu-- using the on screen prompts (see page 42 for details).
Manual Input p p l l y y ” is selected, or returns to the previous condition ˘Icom Coast station (before entering the DSC menu) when “U U n n a a b b l l e e t t o o C C o o m m p p l l y y ”...
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DSC OPERATION r Rotate [DIAL] to select a desired intership channel, push y After the group call has been transmitted, the following in- [DIAL•ENTER]. dication is displayed. • Intership channels are already preset into the transceiver in rec- --DSC Menu-- ommended order.
DSC OPERATION D D Transmitting an all ships call Large ships use Channel 70 as their ‘listening channel.’ When --DSC Menu-- you want to announce a message to all ships within range, Select Category ˘Routine use the all ships call function. Safety Urgency q Push [MENU] to enter the DSC menu.
DSC OPERATION t After the all ships call has been transmitted, the following D D Transmitting a position request call indication is displayed. Transmit a position request call when you want to know a specific ship’s current position, etc. --DSC Menu-- All Ships Call TX Complete q Push [MENU] to enter the DSC menu.
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DSC OPERATION t After the position request call has been transmitted, the fol- --DSC Menu-- lowing indication is displayed. Select Address Manual Input --DSC Menu-- John Position Request ˘Paul TX Complete George Michael Now Waiting for ACK <CLR˘Exit / ENT˘OK> --DSC Menu-- POS Request Ready <CLR˘Exit>...
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DSC OPERATION D D Transmitting a position report call When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con- Transmit a position report call when you want to announce nected, steps r and t (Current position/time program- your own position to a specific ship and to get an answer, etc. ming) do not appear.
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DSC OPERATION u After the position report call has been transmitted, the fol- --DSC Menu-- lowing indication is displayed. Input UTC Time __:__ Null --DSC Menu-- Position Report TX Complete <CLR <CLR 1sec 1sec˘Null Null Data> Data> Now Waiting for ACK <CLR <CLR ˘Exit Exit / ENT...
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DSC OPERATION D D Transmitting a polling request call Transmit a polling request call when you want to know if a --DSC Menu-- specific vessel is within communication range. Select Address Manual Input John q Push [MENU] to enter the DSC menu. ˘Paul w Rotate [DIAL] to select “P P o o l l l l i i n n g g R R e e q q u u e e s s t t ,”...
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DSC OPERATION D D Transmitting a position request reply call t After the polling request call has been transmitted, the fol- Transmit a position request reply call when a position request lowing indication is displayed. call is received. --DSC Menu-- q Push [MENU] to enter the DSC menu.
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DSC OPERATION When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con- --DSC Menu-- nected, next steps r, t (Current position/time program- Input UTC Time ming) do not appear. Go to step y. __:__ Null r The position information appears. Set your position (lati- <CLR <CLR 1sec 1sec˘Null...
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DSC OPERATION D D Transmitting a position report reply call Transmit a position report reply call when a position report call --DSC Menu-- is received. Select Address Manual Input q Push [MENU] to enter the DSC menu. John ˘Paul w Rotate [DIAL] to select “P P O O S S R R e e p p o o r r t t R R e e p p l l y y ,” push George [DIAL•ENTER].
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DSC OPERATION D D Transmitting a polling request reply call Transmit a polling reply call when a polling request call is re- --DSC Menu-- ceived. Select Address Manual Input John q Push [MENU] to enter the DSC menu. ˘Paul w Rotate [DIAL] to select “P P o o l l l l i i n n g g R R e e p p l l y y ,” push George Michael [DIAL•ENTER].
DSC OPERATION I Receiving DSC calls D D Receiving a distress call While monitoring Channel 70 and a distress call is received: ➥ The emergency alarm sounds for 2 minutes. Received • Push [CLR] to stop the alarm. DistressACK ➥ “R R e e c c e e i i v v e e d d D D i i s s t t r r e e s s s s ” appears in the display, then <Osaka Bay <CLR ˘...
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(depending on your reply- ing condition see p. 28 for individual acknowledgement call procedure for details.); push [CLR] to ignore the individual Received call. Group <Icom <CLR ˘ Beep Off> SAFETY Received Individual D D Receiving an all ships call <Paul...
DSC OPERATION D D Receiving a position request call While monitoring Channel 70 and a position request call is re- ceived: Received ➥ “R R e e c c e e i i v v e e d d P P O O S S R R e e q q u u e e s s t t ” appears in the display. All Ships ➥...
DSC OPERATION D D Receiving a polling request call D D Receiving a position report reply call While monitoring Channel 70 and a polling request call is re- While monitoring Channel 70 and a position report reply call ceived: is received: ➥...
DSC OPERATION I Received messages w Rotate [DIAL] to scroll to the desired message, push The transceiver automatically stores up to 20 distress mes- sages and 20 other messages. The messages can be used [DIAL•ENTER]. as an assistance to the logbook. •...
DSC OPERATION D D Other messages e Rotate [DIAL] to scroll the message. q Rotate [DIAL] to select “O O t t h h e e r r ,” push [DIAL•ENTER]. • The stored message has various information, depending on the --DSC Menu-- type of distress call.
DSC OPERATION I DSC Set mode D D MMSI code check r Set the offset time from the UTC (Universal Time Coordi- (See p. 16) D D Add Individual ID/Group ID nated) time by rotating [DIAL]. (See pgs. 17, 19) D D Delete Individual ID/Group ID •...
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DSC OPERATION D D Automatic acknowledgement r Rotate [DIAL] to turn the automatic acknowledgement This item sets the automatic acknowledgement function to function ON or OFF. ON or OFF. When a position request, position report or polling request call --DSC Menu-- is received, the transceiver automatically transmits a position Auto ACK request reply, position report reply or polling reply call, re-...
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DSC OPERATION D D NMEA Output r Rotate [DIAL] to select the NMEA Output function from Select an NMEA Output function from OFF, All Station or List OFF, All Station or List Station. Station. • List Station: Outputs the position data from the specified vessels When receiving position acknowledgment, the transceiver listed on the DSC individual ID screen.
OTHER FUNCTIONS I Intercom operation e Push and hold [PTT] and speak at a normal voice level The optional Intercom function allows you to talk to the deck from the cabin. The optional command microphone is into the microphone. • “T T A A L L K K ” or “L L I I S S T T E E N N ”* appears on the caller or listener function required for Intercom operation.
OTHER FUNCTIONS I RX Speaker function • While in the Intercom mode, the transceiver functions The IC-M504 has an RX Speaker function. When this func- (transmit and receive) are interrupted. If the transceiver tion is turned ON, the received audio can be heard on the is in transmit condition, the Intercom function is not avail- deck or tower via an external speaker or hailer speaker.
OTHER FUNCTIONS I Hailer operation The IC-M504 has a hailer function for voice amplification over • While in the hailer mode, the transceiver functions (trans- a loudspeaker, making it unnecessary to leave the bridge to mit and receive) are interrupted. If the transceiver is in talk a hailing party.
OTHER FUNCTIONS I Automatic foghorn function The automatic foghorn function sounds a horn repeatedly The foghorn outputs from the hailer speaker. To use this func- until the function is turned OFF. Four patterns are available tion, the hailer speaker must be connected to the transceiver. for varying conditions.
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OTHER FUNCTIONS q While pushing and holding [H/L], push [HAIL•RX r To return to normal operation, repeat step q. ] to enter auto foghorn mode. When a DSC call is received, the automatic foghorn func- tion is interrupted with an automatic return to the trans- ceiver mode.
SET MODE I Set mode programming I Set mode items D Scan type Set mode is used to change the conditions of the transceiver’s functions: Scan type, Scan resume timer, Weather alert, The transceiver has 2 scan types: Normal scan and Priority Dual/Tri-watch, Beep tone, LCD contrast, Automatic foghorn fre- scan.
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SET MODE D D Weather alert D D Beep tone A NOAA broadcast station transmits a weather alert tone be- You can select the silent operation by turning beep tones OFF fore important weather information. or you can have confirmation beeps sound at the push of a When “O O N N ”...
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SET MODE D D Automatic foghorn frequency D D Scrambler type The audio frequency of the automatic foghorn can be ad- (Appears when a scrambler unit is installed) justed to suit your preference. While this item is selected, When an optional scrambler unit is installed, the scrambler pushing [PTT] outputs the foghorn—...
CONNECTIONS AND MAINTENANCE I Connections e EXTERNAL SPEAKER LEAD (Yellow) Connects to an external speaker. Ferrite core* r HAILER/FOGHORN (–) LEAD (Black) Connects to a hailer speaker (25 W nominal at 13.8 V/4 Ω). t HAILER/FOGHORN (+) LEAD (Blue) Do not Connects to a hailer speaker (25 W nominal at 13.8 V/4 Ω).
CONNECTIONS AND MAINTENANCE I Supplied accessories CAUTION: After connecting the DC power cable, NMEA Mounting bracket For mounting bracket IN/OUT leads, external speaker lead and hailer/foghorn lead, Knob bolts Flat washers (M5) cover the connector and leads with an adhesive tape as shown below, to prevent water seeping into the transceiver.
CONNECTIONS AND MAINTENANCE I Mounting the transceiver D D Using the supplied mounting bracket The universal mounting bracket supplied with your transceiver • OVERHEAD MOUNTING allows overhead or dashboard mounting. • Mount the transceiver securely with the 4 supplied screws (5 ×...
CONNECTIONS AND MAINTENANCE I MB-75 installation An optional MB-75 FLUSH MOUNT KIT is available for mounting the transceiver to a flat surface such as an instru- ment panel. Supplied bolt CAUTION: KEEP the transceiver and microphone at least 1 meter away from your vessel’s magnetic navigation com- pass.
CONNECTIONS AND MAINTENANCE I UT-112/UT-98 installation w Disconnect the flat cable and NMEA (4 pin) from J5 of the CAUTION: DISCONNECT the DC power cable from the transceiver before performing any work on the transceiver. LOGIC unit. Otherwise, there is danger of electric shock and/or equip- LOGIC unit ment damage.
CONNECTIONS AND MAINTENANCE I HM-162/HM-157 installation r Return the cables and screws to the original position. • Be sure not upside down the flat cable. CAUTION: • When re-assembling the case and tightening the screws, you must keep the specified torque (0.5±0.07 N.m). Oth- erwise the transceiver may be damaged (torque too high) or lose waterproof efficiency (torque too low).
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CONNECTIONS AND MAINTENANCE q Insert the supplied cable into the external microphone jack • HM-157 and tighten the cable nut as shown below. Mounting base Gasket Screw holes ″) (approx. 2 (d) mm; 3 32 y The completed installation should look like this. •...
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CONNECTIONS AND MAINTENANCE D D HM-162 Mounting base Gasket...
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CONNECTIONS AND MAINTENANCE D D HM-157 Mounting base 5 mm; ⁄ ˝ 2 mm; ⁄ ˝ Gasket...
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does • Bad connection to the power supply. • Check the connection to the transceiver. p. 58 not turn ON. No sound from speaker. • Squelch level is too high. • Set [SQL] to the threshold point. p.
SPECIFICATIONS AND OPTIONS I Specifications D D General D D Receiver • Frequency coverage : Tx 156.025–157.425 MHz • Receive system : Double conversion Rx 156.050–163.275 MHz superheterodyne • Mode : FM (16K0G3E), DSC (16K0G2B) • Sensitivity (12 dB SINAD) : 0.22 µV (typical) •...
SPECIFICATIONS AND OPTIONS I Options D D Dimensions • MB-75 FLUSH MOUNT KIT For mounting the transceiver to a panel. • HM-162 ™ COMMANDMIC III External microphone-type controller. Provides optional inter- com operation. 6 m (20 feet) microphone cable and mount- ing base included.
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 19A 156.950 156.950 64A 156.225 156.225 83A 157.175 157.175 156.050 156.050 157.000 161.600 156.275 160.875...
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