Icom iM304 User's Manual
Contents
1. CHANNEL UP DOWN KEYS w Selects the operating channels Set mode settings etc pgs 5 6 28 we While pushing and holding SCAN push to adjust the brightness of the LCD and key backlight p 9 we Selects one of three channel groups in sequence when both keys are pushed p 6 e U S A International and Canadian channels are available While turning power ON push and hold both keys to ac tivate the AquaQuake function p 9 PANEL DESCRIPTION POWER VOLUME CONTROL VOL p 7 Rotate to turn the transceiver power ON and OFF and ad justs the audio level SQUELCH CONTROL SQL p 7 Rotate to set the squelch threshold level CHANNEL 16 CALL CHANNEL KEY 999 Push to select Channel 16 p 5 Push and hold for 1 sec to select call channel 5 CALL appears when the call channel is selected w Push and hold for 3 sec to enter call channel program ming condition when the call channel is selected p 8 e While pushing and holding CH WX push to enter the channel comments programming condition p 8 Push to move the cursor forward 8 we While turning power ON push to enter Set mode p 28 CHANNEL WEATHER CHANNEL KEY CH WX DUAL we Selects and toggles the regular channel and weather channel when pushed momentarily p 6 Push and hold for 1 sec to start Dualwatch or T2. INSTRUCTION MANUAL VHF MARINE TRANSCEIVER IC M 304 SUBMERSIBLE foc DUAL 9 Icom FOREWORD Thank you for purchasing this Icom radio The IC M304 VHF MARINE TRANSCEIVER is designed and built with Icom s state of the art technology and craftsmanship With proper care this radio should provide you with years of trouble free oper ation We hope you agree with Icom s philosophy of technology first Many hours of research and development went into the design of your IC M304 FEATURES O Large 2 digit Channel with scrolling comment New ForceS5Audio speaker O Built in DSC meets RTCM SC 101 requirement O Submersible construction O Favorite channel function AquaQuake water draining function Icom Icom Inc and the logo are registered trademarks of Icom porated Japan in the United States the United Kingdom Germany France Spain Russia and or other countries FORCES5AUDIO logo is a registered trademark of Icom Incorporated Japan the United States 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 M304 EXPLICIT DEFINITIONS WORD DEFINITION WARNING Personal injury fire hazard or electric shock may occur CAUTION Equipment damage may occur Recommended
3. 2 M 4 Edit the specified MMSI code by pushing A or V Push or to move the cursor forward or backward respectively 5 Input 9 digit code then push DSC to set the code Returns to the normal operation BEEN DSC OPERATION 6 MMSI code check 9 digit MMSI DSC self ID code can be checked D Push DSC to enter the DSC menu 2 Push A V to 57 and push DSC GPS I MM UT 3 Check the 9 digit MMSI DSC ID code e The MMSI code is displayed and scrolls at the channel comment indicator lt P eA D GPS I e 3115 MMSI DSC self ID code scrolls 4 Push DSC to return to the normal operation 6 DSC OPERATION B DSC address ID A total of 30 DSC address IDs 9 digit can be programmed and named with up to 5 characters Programming address ID D Push DSC to enter the DSC menu 2 Push A or V to select 92755 and push DSC 4 Push A or V to input 9 digit of the appropriate address ID Push or to move the cursor forward or backward respectively Push SCAN to cancel and exit the condition 7 1st digit 0 5 fixed fora group ID When you input 1st digit 0 7 and other 8 digits the ID is automatically registered a group ZZ ID 5 After inputting 9 digit ID push
4. 70 dBc High Less than 56 dBc Low Adjacent channel power More than 70 dB 11 SPECIFICATIONS Dimensions 143 5 5 21 2 67 0 258 137 0 5 1982 133 5 Sb 51 0 2 42 2 86 3 3 1332 1 2182 153 0 6 132 Unit mm inch Options e 69 FLUSH MOUNT KIT For mounting the transceiver to a panel 92 DUST COVER For attaching to the front panel of the transceiver to protect it when not in use 1 2 153 0 6 12 2 139 0 5196 iex Qi amp Q 5 Unit mm inch X SN 7 NOTE The solid line is the line to use when cutting into the dash helm The dotted 7 line shows the outline of the IC M304 s front panel once the radio is fitted into the 7 hole Do not follow the dotted line when making the hole in your dash helm Count on us A 6542D 1US Printed in Japan Icom Inc 2006 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
5. Push and hold PTT then transmit the appropriate information as listed above RADIO OPERATOR WARNING Icom requires the radio operator to meet the FCC Requirements for Radio Frequency Expo sure An omnidirectional antenna with gain not greater than 9 dBi must be mounted a minimum of 5 meters measured from the lowest point of the antenna vertically above the main deck and all possible personnel This is the minimum safe separation distance estimated to meet all RF exposure compliance re quirements This 5 meter distance is based on the FCC Safe Maximum Permissible Exposure MPE distance of 3 meters added to the height of an adult 2 meters and is appropriate for all vessels WARNING For watercraft without suitable structures the antenna must be mounted so as to maintain a minimum of 1 meter vertically between the antenna measured from the lowest point of the antenna to the heads of all persons AND all persons must Stay outside of the 3 meter MPE radius Do not 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 allow able MPE level set by FCC FAILURE TO OBSERVE THESE LIMITS MAY ALLOW THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF
6. push A V to ad just the brightness of the LCD and key backlight e The backlight is selectable in 3 levels and OFF BASIC OPERATION 3 AquaQuake water draining function The IC M304 uses a new technology to clear water away from the speaker grill AquaQuake AquaQuake helps drain water away from the speaker housing water that might oth erwise muffle the sound coming from the speaker The IC M304 emits a vibrating noise when this function is being used gt While pushing and holding A and V turn power A low beep tone sounds while A V keys are held to drain water regardless of VOL control setting he transceiver never accepts a key operation while the AquaQuake function is activated e RUI miB E scrolls at the channel comment indicator Scrolls 9 4 SCAN OPERATION Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range The transceiver has Priority scan and Normal scan When the Weather alert function is turned ON the previously selected last used weather channel is also checked while scanning p 29 PRIORITY SCAN Priority scan searches through all TAG channels in se quence while monitoring Channel 16 When a signal is de tected on Channel 16 scan pauses until the signal disap pears when a signal is detected on a channel other than Channel 16 scan becomes Dualwatch until the signal dis appears Set the T
7. y 20A 157 000 157 000 86 86 86 157 325 161 925 Low power only Momentary high power DSC operation only NOTE Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in U S A waters BEEN SPECIFICATIONS AND OPTIONS 1 1 EE Specifications General Receiver Frequency coverage Transmit 156 025 157 425 MHz Receive system Double conversion Heceive 156 050 163 275 MHz superheterodyne e Mode FM 16KOG3E Sensitivity 12 dB SINAD 0 22 uV typical DSC 16K0G2B Squelch sensitivity Less than 0 22uV Channel spacing 25 kHz Intermodulation rejection ratio More than 70 dB Current drain at 13 8 V TX at 25 W 5 5 Spurious response rejection ratio More than 70 dB Max audio 1 5 A max Adjacent channel selectivity More than 70 dB e Power supply requirement 13 8 V DC 15 Audio output power 4 5 W typical at 10 Frequency stability 10 ppm distortion with a 4 Q load Operating temperature range 20 C to 60 C 4 F to 140 F Dimensions 153 W x 67 H x 133 D mm mem i Projections not included 6 52 W x 2 58 5 A D in 0 are subject to change without notice Weight Approx 825 g 1 8 Ib Transmitter Output power 25 W High and 1 W Low Modulation system Variable reactance frequency modu lation e Max frequency deviation 5 0 kHz Spurious emissions Less than
8. PTT hold 7 the microphone 2 to 4 inches 5 to 10 cm from your mouth 77 and speak into the microphone at a normal voice level 6 7 Microphone ON OO 3 4 D es SUBMERSIBLE DISTRESS TAG DUAL Z 9 _ SCAN DEC NOTE for TOT Time out Timer function The TOT function inhibits continuous transmission over a pre set time period after the transmission starts BASIC OPERATION Call channel programming Call channel is used to select Channel 9 default however you can program the call channel with your most often used channel in each channel group for quick recall D Push U I C both A and W on the transceiver several times to select the desired channel group U S A Interna tional or Canada to be programmed 2 Push and hold 9 for 1 sec to select the call channel of the selected channel group CALL and call channel number appear 3 and hold 9 NT again for 3 sec until a long Tf A beep changes to 2 short beeps to enter call channel gt programming condition Channel number starts blink ing Push A or V to select the desired channel 5 Push 03 to program the displayed channel as the call channel e Push CH WX to cancel The channel number stops blinking Channel comments
9. RADIATION ABSORPTION WHICH EXCEEDS THE FCC MAXIMUM PERMISSIBLE EXPOSURE MPE LIMIT IT IS THE RESPONSIBILITY OF THE RADIO OPERATOR TO ENSURE THAT THE MAXIMUM PERMISSIBLE EXPO SURE LIMITS ARE OBSERVED AT ALL TIMES DURING RADIO TRANSMISSION THE RADIO OPERATOR IS TO ENSURE THAT NO BYSTANDERS COME WITHIN THE RADIUS OF THE MAXIMUM PERMISSIBLE EXPOSURE LIMITS Determining MPE Radius THE MAXIMUM PERMISSIBLE EXPOSURE MPE RA DIUS HAS BEEN ESTIMATED TO BE A RADIUS OF ABOUT 3M PER OET BULLETIN 65 OF THE FCC THIS ESTIMATE IS MADE ASSUMING THE MAXIMUM POWER OF THE RADIO AND ANTENNAS WITH MUM GAIN OF 9dBi ARE USED FOR A SHIP MOUNTED SYSTEM TABLE OF CONTENTS FOREWORD tienes IMPORTANT toties EXPLICIT DEFINITIONS dette oet egere INCASE OF EMERGENCY eek petite ure t E deis i NOLE nass E MEL ULM PN e AMI i RADIO OPERATOR WARNING essem iii TABLE QOF CONTENTS 94 ue daret tribes iv PRECAUTIONS 1 OPERATING RULES PRA aai 1 2 PANEL DESCRIPTION 2 4 B rontpallel i a b o eue 2 ge tm B FUMCHOMGISDIAY aiies 4 3 BASIC OPERATION 5 5 9 Channel selection 5 Receiving and 0 1 4 4 7 Cal
10. GPS rl 5 Push DSC to transmit the acknowledgement to the se ri lected station 3 Push A or V to select the desired pre programmed group address and push DSC The ID code for the group call must be set in advance p 14 6 After the Individual acknowledgement has been transmit ted the display changes to the channel specified by the calling station automatically when is selected Scrolls 6 DSC OPERATION 4 Push A or V to select the desired intership channel and push DSC e Channel 70 is selected and appears 5 Push DSC to transmit the Group call If Channel 70 is busy the transceiver stands by until the channel becomes clear Routine category only is available While transmitting 6 After the Group call has been transmitted the display changes to the previously specified channel Scrolls 7 Push and hold PTT to communicate your message to the responding ship DSC OPERATION 6 Transmitting All Ships call Large ships use Channel 70 as their listening channel 4 Push DSC to transmit the All Ships call When you want to announce a message to these ships use Routine category only is available the All Ships call function Low power is selected D Push DSC to enter the DSC menu 2 Push A or V to select ALL SHIPS While transmitting 5 After the All Ships call has bee
11. Memory channels can be labeled with a unique alphanumeric ID of up to 10 characters each More than 6 characters comment scrolls automatically at the channel comment indicator after the channel selection Capital letters small letters except f j k p s v x z O to 9 some symbols and space be used D Select the desired channel Cancel Dualwatch Tri watch or Scan in advance 2 While pushing CH WX push 0 to edit the channel comment cursor and the first char acter start blinking nately 3 Pushing A or V to select the desired character Push or to move the cursor forward or backward respectively 4 Repeat step 3 to input all characters 5 Push DSC to input and set the comment Push SCAN to cancel he cursor and the character stop blinking 6 Repeat steps 1 to to program other channel com ments if desired Microphone lock function The microphone lock function electrically locks A and V keys on the supplied microphone This prevents accidental channel changes and function access e While pushing and holding HI LO on the microphone turn power ON to toggle the Microphone lock function ON and OFF ll 2 AJ V 3 Display backlighting The function display and keys can be backlit for better visibil ity under low light conditions While pushing and holding SCAN
12. SETMODE Weather alert A NOAA broadcast station transmits a weather alert tone be fore important weather information When the weather alert function is turned ON the transceiver detects the alert then the WX ALT indicator blinks until the transceiver is operated The previously selected used weather channel is checked any time while scanning WX ALT appears instead of WX indication when the function is set ON O N Weather alert OFF default Dual Tri watch This item can be selected as Dualwatch or Tri watch p 12 Dualwatch default Tri watch Weather alert SETMODE DSC watch DSC watch monitors Channel 70 while you are receiving an other channel If a distress signal is received on Channel 70 the transceiver monitors Channel 16 and 70 alternately until the distress sig nal disappears If a signal is received on another channel DSC watch pauses until the signal disappears Y This function may not be available for some channel 7 groups depending on dealer setting e IS WHTEH scrolls at the channel comment indicator DSC watch OFF default DSC watch ON 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 Beep tone ON default Beep tone OFF Automatic acknowledgement This item sets the Automatic acknowledgement function ON or OFF When Po
13. for optimum use No risk of NOTE Ls personal injury fire or electric shock CLEAN THE TRANSCEIVER AND MICROPHONE THOR OUGHLY WITH FRESH WATER after exposure to water including salt water otherwise the keys and switches may become inoperable due to salt crystallization INCASE 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 Make sure the cho DISTRESS CALL PROCEDURE sen location is clean and dry before applying the sticker MAYDAY MAYDAY MAYDAY p 32 name of vessel Your call sign or other indication of the vessel AND 9 EXAMPLE digit DSC ID if you have one LOCATED AT your position The nature of the distress and assistance required Any other information which might facilitate the rescue WARNING Or transmit your distress call using digital selective calling on STICKER Channel 70 USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE While opening the key cover push and hold DISTRESS for 5 sec until you hear 5 short beeps change to one long beep Wait for an acknowledgment from a coast station e Channel 16 is automatically selected
14. menu with beeps RO ARLE ACK or REV UNABLE ACK scrolls at the channel comment indicator Able to comply is received GPS DSC e n Scrolls 7 Push and hold PTT to communicate your message to the responding ship when Able to comply is received o Transmitting 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 see page 25 for details You can also send an acknowledgement through the menu sys tem as follows D Push DSC to enter the DSC menu 2 Push A or V to select IN ALK and push DSC 4 ALK item appears after an Individual call is received TM e 114 e INW item disappears if another is received after the Individual call Individual acknowledgement can be transmitted to the last received individual call only Scrolls 3 Push A V to select the acknowledgement HU Luv tub a LE DSC OPERATION 6 Transmitting Group call 4 Push DSC to enter the standby condition for Individual The Group call function allows you to transmit a DSC signal acknowledgement call to a specific group only appears at the channel comment indicator D Push DSC to enter the DSC menu 2 Push A or V to select GROUP and push DSC MI ca
15. select a channel DUAL Push once or twice D 2 2 LI I3 c When Weather alert is OFF When Weather alert is ON Receiving and transmitting Z CAUTION Transmitting without an antenna will damage 7 7 the transceiver D Rotate VOL to turn power ON 2 Set the audio and squelch levels Rotate SQL fully counterclockwise in advance Rotate VOL to adjust the audio output level Rotate SQL clockwise until the noise disappears 3 Push U I C both A and W on the transceiver several times to select the desired channel group p 6 4 Push A or V to select a channel p 5 When receiving a signal appears and audio is emitted from the speaker Further adjustment of VOL may be necessary 5 Push HI LO on the microphone to select the output power if necessary LOW appears when low power is selected Choose low power for short range communications choose high power for longer distance communications Some channels are for low power only 6 Push and hold PTT to transmit then speak into the mi crophone appears Channel 70 cannot be used for transmission other than DSC 7 Release PTT to receive BASIC OPERATION 3 Simplex channels 21 23 61 64 81 82 and 83 CAN 7 NOT be lawfully used by general public in U S A wa ZZ ters Z IMPORTANT To maximize the readability of your trans 7 mitted signal pause a few sec after pushing
16. sounds Push any key to stop the alarm e DSC appears and RELAY scrolls at the channel com ment indicator then Channel 16 is automatically selected HE Scrolls lt Receiving an Individual call While monitoring Channel 70 and an Individual call is re ceived e The emergency alarm or beeps sound depending on the received category DSC appears scrolls at the channel comment indicator Push any key to stop beep then push DSC to reply the call and select the channel specified by the calling station for voice communication depending on your replying con dition see p 18 for individual acknowledgement call pro cedure for details push any other key to ignore the Indi vidual call Scrolls DSC OPERATION 6 Receiving a Group call While monitoring Channel 70 and a Group call is received e The emergency alarm or beeps sound depending on the received category e DSC appears and fli scrolls at the channel comment indicator w Push any key to stop beep then push DSC to select the channel specified by the calling station for voice commu nication push any other key to ignore the Group call Scrolls 6 DSC OPERATION Receiving an All Ships call While monitoring Channel 70 and an All Ships call is received e The emergency alarm sounds when the category is Dis tress or Urgency 2 beeps soune for other catego
17. the position report call can be set in advance p 14 DSC OPERATION 6 4 Push DSC to enter the standby condition for Position Re port call e Channel 70 is selected and appears While transmitting 6 After the Position Report call has been transmitted stand by on Channel 70 until an acknowledgement is received e WAIT scrolls at the channel comment indicator Scrolls 7 Push any key to exit the condition and return to the normal operation 6 DSC OPERATION Receiving DSC calls lt Receiving a Distress call While monitoring Channel 70 and a Distress call is received e The emergency alarm sounds Push any key to stop the alarm DSC appears and FLY JISIhRESS scrolls at the channel comment indicator then Channel 16 is automatically se lected Continue monitoring Channel 16 as a coast station may re quire assistance Scrolls o Receiving a Distress acknowledgement While monitoring Channel 70 and a Distress acknowledge ment to other ship is received e The emergency alarm sounds Push any key to stop the alarm DSC appears and FE DISTRESS ALK scrolls at the chan nel comment indicator then Channel 16 is automatically selected dL GPS DSC Scrolls lt Receiving a Distress Relay call While monitoring Channel 70 and a Distress Relay acknowl edgement is received e The emergency alarm
18. 6 475 02 156100160700 215 Rx only 161 650 isrars 15775 os os t56150 160750 22 157 100 t61 700 t56150 156 150 z2A 22A 157 100 157 100 157425 157 425 115620011608 23 23 157 150 161 750 TL 156 200166 200 eal 157150 157150 EE 05 15625016050 ERE I rosa 156 250 156 250 CL os 06 06 15600 156300 25b Rx only 161850 I or 156350160950 56955161525 NES oza 07A 156 850 156 950 78A 156 925 156 925 pmo 708 08 08 156 400 16 400 56975 161 575 09 09 t56450 156450 285 102000 79 70a 156 975 156 975 TELE 156 025 1606261 80 157225 161 625 Ter 156 075 10 675 80A 80A 157 025 157 005 eta 156275 156075 87 167 0761161 675 82 156 425 10 725 etal 81A 157 075 157 075 15612156425 82 157 125 161 725 1 156175 160775 a2 82A 157 125 157 105 1 156175 158175 83 157 175 161 75 64 156 225 160 825 89A esa 157 175 157 175 156500 161 500 ean 156225 156225 sab Rx only 161 775 rea 184 156500 156500 65 _ 156 275 160 875 162500 i9 1156550 161 550 17 225 157225 156 950 156 050 66 15632516095 IR GE res 157275572 9
19. AG channels scanned channels before scanning Clear the TAG channels which inconveniently stop scanning such as those for digital communication use Refer to the right page for details ZZ Choose Priority or Normal scan Set mode 29 NORMAL SCAN Normal scan like priority scan searches through all TAG channels in sequence However unlike priority scan Chan nel 16 is not checked unless Channel 16 is set as a TAG channel Setting TAG channels For more efficient scanning add desired channels as TAG channels or clear the TAG for unwanted channels Channels that are not tagged will be skipped during scanning TAG channels can be assigned to each channel group U S A International and Canada independently D Push U I C both A and W several times to select the desired channel group 2 Select the desired channel to be set as a TAG channel 3 Push and hold TAG SCAN for 1 sec to set the dis played channel as a TAG channel appears in the display 4 To cancel the TAG channel setting repeat step 3 raG disappears Clearing or setting all tagged channels While pushing and holding HI LO on the microphone push TAG SCAN for 3 sec until a long beep changes to 2 short beeps to clear all TAG channels in the selected channel group Repeat above procedure to set all TAG channels Example Starting a normal scan Scan starts SCANOPERATION 4 S
20. Channel 70 and a Position Report call is re ceived e DSC appears and Kiv PUS REP nel comment indicator Push any key to stop beep then push DSC to reply to the call push any other key to ignore the call The Latitude and Longitude from the called station is displayed and scrolled automatically in order of Latitude co ordinates and then Longitude co ordinates after replying the call L Scrolls uhi scrolls at the chan Scrolls DSC OPERATION 6 lt Receiving a Position Reply call While monitoring Channel 70 and a Position Reply call is re ceived DSC and POS REPLY appear in the display The Latitude and Longitude from the called station is displayed and scrolled automatically in order of Latitude co ordinates and then Longitude co ordinates Push any key to stop beep GPS DSC POS REPLY Scrolls o Receiving a Position Report Reply call While monitoring Channel 70 and a Position Report Reply call is received DSC and POS REPLY appear in the display The Latitude and Longitude you have sent is displayed and scrolled automatically in order of Latitude co ordinates and then Longitude co ordinates Push any key to stop the GPS DSC POS REPLY 212 841 17 13 2 Scrolls 27 Em SET MODE Set mode programming Set mode is used to change the conditions of the trans ceiver s functions S
21. DSC to input 5 characters ID name using A or V Push or to move the cursor forward or backward respectively Push SCAN to cancel and exit the condition LI 6 Push DSC to program and exit the DSC menu DSC OPERATION 6 Deleting address ID Position indication D Push DSC to enter the DSC menu 2 Push A or V to select 9217255 and push DSC When a GPS receiver NMEA0183 ver 2 0 or 3 01 is con nected the transceiver indicates the current position data in seconds of accuracy 183 ver 2 0 or 3 01 sentence formatters GGA GNS GLL compatible GPS receiver is required Ask your dealer about suitable GPS receivers 6 Scrolls 3 Push A or V to select JEL then push DSC Push and hold POS DSC for 1 sec to display the cur When no address ID is programmed 17 is displayed rent position Latitude and Longitude scroll in sequence at the channel com ment indicator e NO scrolls when no GPS is connected 4 Push A or V to select the desired ID name for deleting and push DSC gt e FEATY appears Scrolls e When the connecting GPS receiver is compatible with several sentence formatters the order of input prece dence is GGA GNS and GLL GPS blinks when the GPS data is invalid MA QQ 5 Push DSC to delete the address ID and exit t
22. EN c 32 Ia Fuso replacement aues 32 32 Mounting the transceiver 33 Optional MB 92 33 Optional MB 69 installation 34 9 TROUBLESHOOTING creel eser ecu eoe Ri RR ER 35 CHANNEL EIST a vom rund 36 11 SPECIFICATIONS AND OPTIONS 37 38 I SPC CIICANONS 37 Me eo te eee errr 38 12 TEMPLATE d UE En UE 39 PRECAUTIONS WARNING NEVER connect the transceiver to an AC outlet This may pose a fire hazard or result in an electric shock CAUTION Changes or modifications to this device not ex pressly approved by Icom Inc could void your authority to operate this device under FCC regulations NEVER connect the transceiver to a power source of more than 16 V DC or use reverse polarity This will ruin the trans ceiver NEVER cut the DC power cable between the DC plug and fuse holder an incorrect connection is made after cutting the transceiver may be damaged NEVER place the transceiver where normal operation of the vessel may be hindered or where it could cause bodily injury KEEP the transceiver at least 3 3 ft 1 away from the ship s navigation compass DO NOT use or place the trans
23. TOR p 11 Appears when a TAG channel is selected D DUPLEX INDICATOR p 6 Appears when a duplex channel is selected GPS INDICATOR Appears while valid position data is received Blinks when invalid position data is received Disappears when no GPS receiver is connected Channel selection Channel 16 Channel 16 is the distress and safety channel It is used for establishing initial contact with a station and for emergency communications Channel 16 is monitored during both Dual watch and Tri watch While standing by you must monitor Channel 16 Push 0 momentarily to select Channel 16 we Push CH WX to return to the condition before selecting Channel 16 or push A or V to select operating chan nel Push Scrolls Convenient When the Favorite channel function is turned ON p 30 A W keys on the microphone select the favorite channels in the selected channel group in sequence when pushed The favorite channels are set by the TAG channel setting p 11 BEEN BASIC OPERATION 3 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 p 8 and are used to store your most often used channels in each channel group for quick recall Push and hold 9 9 for 1 sec to select the call channel of the selected channel group CALL and call channel n
24. a may dam Connects to a GPS receiver for position indication 7 age the transceiver e An 0183 ver 2 0 or 3 01 sentence formatters GGA GNS GLL compatible GPS receiver is required Ask your dealer about suitable GPS receivers Yellow NMEA IN Green NMEA IN gt CONNECTIONS AND MAINTENANCE Supplied accessories The following accessories are supplied Mounting bracket Microphone hanger and screws 3x16 Warning sticker For mounting bracket Knob bolts Screws 5x20 Flat washers Spring washers Antenna A key element in the performance of any communication sys tem is the antenna Ask your dealer about antennas and the best place to mount them Fuse replacement One fuse is installed in the supplied DC power cable If a fuse blows or the transceiver stops functioning track down the source of the problem if possible and replace the damaged fuse with a new rated one Cleaning If the transceiver becomes dusty or dirty wipe it clean with a soft dry cloth AVOID the use of solvents such as benzene or al cohol as they damage transceiver surfaces Mounting the transceiver Using the supplied mounting bracket The universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting Mount the transceiver securely with the 2 supplied screws 5 x 20 to a surface which is more than 10 mm thi
25. can type Normal or Priority Scan re sume timer Weather alert Dual Tri watch DSC watch Beep tone Auto acknowledgement and Favorite channel function 7 7 Available functions may differ depending on dealer setting Set mode construction Scan type Scan resume timer Starting item Favorite channel function e Auto acknowledgement Scrolls Scrolls Set mode operation D Turn power OFF 2 While pushing turn power ON to enter Set mode 3 After the display appears release M e GEAN appears at the channel comment indicator 4 Push 0 to select the desired item if necessary 5 Push A or V to select the desired condition of the item 6 Turn power OFF then ON again to exit Set mode Weather alert Dual Tri watch Beep tone e DSC watch Scrolls Set mode items Scan type The transceiver has 2 scan types Normal scan and Priority scan Normal scan searches all TAG channels in the selected channel group Priority scan searches all TAG channels in se quence while monitoring Channel 16 Normal scan default Priority scan Scan resume timer The scan resume timer can be selected as a pause OFF or timer scan ON When OFF 15 selected the scan pauses until the signal disappears When ON is selected the scan pauses 5 sec and resumes even if a signal has been re ceived on any other channel than Channel 16 Scan timer ON Scan timer OFF default
26. ceiver in areas with temper atures below 4 F 20 C or above 140 F 60 C or in areas subject to direct sunlight such as the dashboard AVOID the use of chemical agents such as benzine or al cohol when cleaning as they may damage the transceiver Surfaces 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 except cables and hand microphone employ waterproof construction which corre sponds to IPX7 of the international standard IEC 60529 2001 However once the transceiver has been dropped waterproofing cannot be guaranteed due to the fact that the case may be cracked or the waterproof seal damaged etc PRIORITIES Read all rules and regulations pertaining to priorities and keep an up to date copy handy Safety and distress calls take priority over all others You must monitor Channel 16 when you are not operating on another channel False or fraudulent distress signals are prohibited and pun ishable by law PRIVACY Information overheard but not intended for you cannot law fully be used in any way Indecent or profane language is prohibited RADIO LICENSES 1 SHIP STATION LICENSE You must have a current radio station license before using the transceiver It is unlawful to operate a ship station which is not licensed Inqui
27. ck and can support more than 5 kg Mount the transceiver so that the face of the transceiver is at 90 to your line of sight when operating it 7 CAUTION KEEP the transceiver and microphone at least 7 1 meter away from your vessel s magnetic navigation com 7 pass 7 NOTE Check the installation angle the function display Z may not be easy to read at some angles SN CONNECTIONS AND MAINTENANCE 8 Optional MB 92 attachment An optional MB 92 pusr cover is available for attaching the transceiver s front panel to prevent the keys and knobs get ting wet when the transceiver is not used Attach the optional MB 92 pusr cover to the transceiver as shown below CONNECTIONS AND MAINTENANCE Optional MB 69 installation An optional MB 69 FLUSH MOUNT is available for mounting transceiver to a flat surface such as an instrument panel 7 CAUTION KEEP the transceiver and microphone at least 7 1 meter away from your vessel s magnetic navigation com ZZ pass D Using the template on p 39 carefully cut a hole into the instrument panel or wherever you plan to mount the trans 2 Slide the transceiver through the hole as shown below 3 Attach the clamps on either side of the transceiver with 2 supplied bolts 5 x 8 mm Make sure that the clamps align parallel to the transceiver body 4 Tighten the end bolts on the clamps rotate clockwise so that the clamps p
28. he DSC menu 6 DSC OPERATION Distress call A Distress call should be transmitted if in the opinion of the Master the ship or a person 15 in distress and requires imme diate assistance Y NEVER USE THE DISTRESS CALL WHEN YOUR 7 SHIP A PERSON IS NOT IN AN EMERGENCY DISTRESS CALL USED ONLY WHEN 7 IMMEDIATE HELP IS NEEDED D Confirm no Distress call is being received 2 While opening the key cover push DISTRESS for 5 sec to transmit the Distress call Emergency channel Channel 70 is automatically selected and the Distress call is transmitted 3 After transmitting the call the transceiver waits for an ac knowledgment call on Channel 70 Distress call is automatically transmitted every 3 5 to 4 5 minutes e TU HEPEHI scrolls at the channel comment indicator Scrolls 4 After receiving the acknowledgment reply using the mi crophone epa TT THE wail Scrolls A distress alert contains e Kinds of distress Undesignated distress e Position GPS position data held for 23 5 hrs or until the power is turned OFF The Distress call is repeated every 3 5 4 5 min until receiving an acknowledgement Push and hold DISTRESS for 5 sec to transmit re newed Distress call if desired Push any key except DISTRESS to cancel the Call repeat mode SN Transmitting DSC calls 7 ensure correct operati
29. l channel programming 2 8 E Channel comments 8 Microphone lock function 9 I 5play ud eret reset n rol ect d eta A eR 9 AquaQuake water draining function 9 4 SCAN OPERATION 2 orn rn entr dn e enun sexe worin a exe neos 10 11 B Scan 10 E Setting TAG channels 11 a 11 5 DUALWATCH TRI WATCH 12 e 12 12 6 DSC OPERATION 52 13 27 MMSI code 0 1 13 MMSI code check 13 D EE 14 I Position Indi callon 15 Distress call 16 Transmitting DSC 5 42 2 17 I Receiving DSC calls 24 T FSET MODE LM LUE 28 30 Set mode programming 28 Scl mode Items ios vesc sedere 29 8 CONNECTIONS AND MAINTENANCE 31 34 IB COHBeclloHs ober D veto 31 Supplied accessories 32 L BAD
30. n Channel 16 until the signal disappears signal is received on the call channel during Tri watch Tri watch becomes Dualwatch until the signal disappears To transmit on the selected channel during Dualwatch Tri watch push and hold PTT DUALWATCH TRI WATCH Operation D Select Dualwatch or Tri watch in Set mode p 29 2 Select the desired channel 3 Push and hold DUAL CH WX for 1 sec to start Dual watch or Tri watch blinks during Dualwatch blinks during Tri watch A beep tone sounds when a signal is received on Channel 16 4 To cancel Dualwatch or Tri watch push DUAL CH WX Example Operating Tri watch on INT Channel 25 JL 4 DUAL CH WX for 1 sec J vw ncc P i Gp ULL C D NI N I w THI we N Tri watch starts Push and hold Signal is received on call channel Signal is received on Channel 16 takes priority 7 l lt gt ap wu 2 Tri watch resumes after the signal disappears MMSI code programming The 9 MMSI Maritime Mobile Service Identity DSC self ID code can be programmed at power ON This code programming can be performed only twice D Turn power OFF 2 While pushing and holding DSC turn power ON to enter MMSI code programming condition 3 After the display appears release DSC A cursor starts blinking
31. n transmitted the display changes to Channel 16 automatically Scrolls 3 Push DSC to enter the standby condition for All Ships call e Channel 70 is selected and FERT appears Scrolls 21 6 DSC OPERATION o Transmitting Position Request call Transmit a Position Request call when you want to know a specified ship s current position etc D Push DSC to enter the DSC menu 2 Push A or V to select 225 FEGUEST then push DSC MI E GPS One wo b Scrolls 3 Push A or V to select the desired pre programmed in dividual address ID code for position request must be set in advance 14 4 Push DSC to enter the standby condition for Position Re quest call e Channel 70 is selected and fEHI appears While transmitting After the Position Request call has been transmitted the following indication is displayed HII scrolls at the channel comment indicator Scrolls 7 Push any key to exit the condition and return to the normal operation Transmitting Position Report call Transmit a Position Report call when you want to announce your own position to a specific ship and to get an answer etc D Push DSC to enter the DSC menu 2 Push A or V to select P95 REPORT and push DSC Scrolls 3 Push A or V to select the desired pre programmed in dividual address The ID code for
32. on ON and OFF p 9 2 PANEL DESCRIPTION Function display 4 P Has 4 TAGJCALL 6 LOW Q CHANNEL GROUP INDICATOR 6 Indicates whether a U S A 0 International or Cana dian C channel is in use CHANNEL NUMBER READOUT Indicates the selected operating channel number Refer to CHANNEL LIST 36 n Set mode indicates the selected condition p 28 TRANSMIT INDICATOR p 7 Appears while transmitting BUSY INDICATOR 7 Appears when receiving a signal or when the squelch opens Q CALL CHANNEL INDICATOR p 5 Appears when the call channel is selected Q LOW POWER INDICATOR p 7 Appears when low power is selected Q WEATHER CHANNEL INDICATOR pgs 6 29 WX appears when a weather channel is selected WX ALT appears when the Weather alert function is in use blinks when an alert tone is received Q DSC INDICATORS DSC appears when a DSC call is received p 24 we POS REPLY appears when a Position Reply call or Position Report Reply call is received p 27 CHANNEL COMMENT INDICATOR Channel comment appears if programmed p 8 scrolls when the battery voltage drops to approx 10 8 V DC or below blinks during Priority scan SEN blinks during Normal scan p 11 mw blinks during Dualwatch 74 blinks during Tri watch p 12 TAG CHANNEL INDICA
33. on of the DSC function please ZZ make sure you set the squelch correctly p 7 o Transmitting Individual call The Individual call function allows you to transmit a DSC sig nal to a specific ship only CD Push D 1 enter the DSC menu oT TAL scrolls at the channel comment indicator Scrolls 2 Push DSC to select the desired pre programmed individ ual address using A W then push DSC ID code for the individual call must be set in advance p 14 DSC OPERATION 6 3 Push A or V to select a desired intership channel push DSC e Intership channels are already preset into the transceiver in rec ommended order e Channel 70 is selected and appears after pushing DSC 4 Push DSC to transmit the Individual call If Channel 70 is busy the transceiver stands by until the channel becomes clear Routine category only is available While transmitting When Ch 70 is busy 6 DSC OPERATION 5 After transmitting the Individual call standby on Channel 70 until an acknowledgement 15 received Scrolls at the channel comment indicator Scrolls 6 When the acknowledgement Able to comply is received the specified channel in step is selected with beeps automatically Or when the acknowledgement Unable to comply is received the display returns to the operated channel before entering the DSC
34. re through your dealer or the appropriate government agency for a Ship Radiotelephone license application This government issued license states the call sign which is your craft s identification for radio purposes OPERATING RULES 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 opera tor may operate a transceiver However non licensed individuals may talk over a transceiver if a licensed operator starts supervises ends the call and makes the necessary log entries Keep a copy of the current government rules and regulations handy Radio license for boaters U S A only The Telecommunications Act of 1996 permits recreational boaters to have and use a VHF marine radio EPIRB and marine radar without having an FCC ship station license Boaters traveling on international voyages having an HF single sideband radiotelephone or marine satellite termi nal or required to carry a marine radio under any other regulation must still carry an FCC ship station license For further information see the FCC Ship Radio Stations Fact Sheet _ 1 EN 2 Front panel Speaker Function display 4 VHF MARINE NN
35. ress firmly against the inside of the in strument control panel 5 Tighten the locking nuts rotate counterclockwise so that the transceiver is securely mounted in position as below 6 Connect the antenna and power cable then return the in strument control panel to its original place BEEN TROUBLESHOOTING 9 PROBLEM CAUSE SOLUTION E transceiver does connection to the power supply Check the connection to the transceiver limina not turn ON No sound from speaker Squelch level is too high Set squelch to the threshold point Volume level is too low Set VOL to a suitable level Speaker has been exposed to water Drain water from the speaker Transmitting is impossi Some channels are for low power or re Change channels ble or high power ceive only not be selected The output power is set to low Beep tones are turned OFF Turn the beep tone ON in Set mode Distress call cannot be MMSI DSC self ID code is not Program the MMSI DSC self ID code transmitted grammed Em 0 CHANNEL LIST USA INT CAN Transmit Receive USA INT Transmit Receive USA INT CAN Transmit Receive CAN 156 050 160 650 21 21 167 050 161 660 68 68 68 156 026 156 425 157 325 157 825 fora 156060 166 060 ara 21A 157050 157260 69 69 69 156 475 15
36. ri watch p 12 Push to stop Dualwatch or Tri watch when either is acti vated p 12 Push to move the cursor backward p 8 SCAN KEY SCAN TAG 11 Push to start or stop the Normal or Priority scan Push and hold for 1 sec to set or clear the displayed channel as a TAG scanned channel The favorite channels are set by the TAG channel setting e While pushing and holding HI LO on the microphone push for 3 sec to clear all TAG channels in the selected channel group Repeat above procedure to set all TAG channels Q DISTRESS KEY DISTRESS p 16 Push and hold for 5 sec to transmit a Distress call Q DSC POSITION KEY DSC POS w Push to enter DSC menu p 13 we Push and hold for 1 sec to show the current position from a GPS receiver p 15 PANEL DESCRIPTION 2 Microphone Microphone PTT SWITCH PTT Push and hold to transmit release to receive p 7 CHANNEL UP DOWN KEYS w Push either key to change the operating channel Set mode settings etc pgs 5 6 28 we When the Favorite channel function is turned ON push either key to select the favorite channels in the selected channel group in sequence p 30 TRANSMIT POWER KEY HI LO Push to toggle the power high and low 7 Some channels are set to low power only w While pushing and holding HI LO turn power ON to toggle the Microphone Lock functi
37. ries e DSC appears and ALi ALL SHIPS scrolls at the channel comment indicator Push any key to stop beep then push DSC to monitor channel 16 for an announcement from the calling vessel push any other key to ignore the call Scrolls Receiving a Geographical Area call While monitoring Channel 70 and a Geographical Area call for the area you are in is received e The emergency alarm or beeps sound depending on the received category DSC appears and FLY GEUGAAFHILAL scrolls at the chan nel comment indicator Push any key to stop the beep then push DSC to change to the channel specified by the calling station for voice communication push any other key to ignore the Geo graphical Area call Monitor the selected channel for an announcement from the calling station Scrolls 7 When no GPS receiver is connected or if there is prob with the connected receiver all Geographical Area ZZ calls are received regardless of your position lt Receiving a Position Request call While monitoring Channel 70 and a Position Request call is received DSC appears and 05 REGUES scrolls at the chan nel comment indicator Push any key to stop the beep then push DSC to reply to the call push any other key to ignore the call Gp DP lt 3 GPS DSC I pnr D lt Receiving a Position Report call While monitoring
38. sition Request call or Position Report call is re ceived transceiver automatically transmits Position Request Reply call or Position Report Reply call respectively ALK scrolls at the channel comment indicator Auto acknowledgement Auto acknowledgement OFF default ON Favorite channel This item sets the Favorite channel function ON or OFF The favorite channel is programmed by the TAG channel set ting p 11 When the Favorite channel function is turned ON AT V keys on the microphone select the favorite channels in the selected channel group in sequence when pushed EH DRIIE LH Scrolls at the channel comment indicator Favorite CH ON default Favorite CH OFF BEEN CONNECTIONS AND MAINTENANCE Connections DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 13 8 DC power source 0 4 CAUTION After connecting the DC power cable GPS 7 receiver lead and external speaker lead cover M 7 nector and leads with an adhesive tape as shown G below to prevent water seeping into the transceiver Rubber vulcanizing tape EXTERNAL SPEAKER LEAD LAO av Connects to an external speaker d imb ANTENNA CONNECTOR Gray Speaker j Connects a marine VHF antenna with a PL 259 connector 5 to the transceiver GPS RECEIVER LEAD Y CAUTION Transmitting without an antenn
39. tarting a scan Set scan type Priority or Normal scan and scan resume timer in advance using Set mode p 29 D Push both A and W several times to select the desired channel group if desired 2 Set TAG channels as described at left 3 Make sure the squelch is closed to start a scan 4 Push SCAN to start Priority or Normal scan vr e 5L blinks during Priority scan SEHN blinks during Normal scan e When a signal is detected scan pauses until the signal disap pears or resumes after pausing 5 sec according to Set mode setting Channel 16 is still monitored during Priority scan Push A or W to check the scanning TAG channels to change the scanning direction or resume the scan manually tone sounds bL ib blinks at the channel comment indicator when a signal is received on Channel 16 during Priority Scan 5 To stop the scan push SCAN When a signal is received to stop the scan 11 Description Dualwatch monitors Channel 16 while you receiving on another channel Tri watch monitors Channel 16 and the call channel while receiving another channel Dualwatch Tri watch are convenient for monitor Channel 16 when you are operating on another channel DUALWATCH TRI WATCH SIMULATION Call channel Lm Dualwatch Tri watch If a signal is received on Channel 16 Dualwatch Tri watch pauses o
40. umber appear Each channel group may have an independent call channel after programming a call channel p 8 we Push CH WX to return to the condition before selecting call channel or push A or V to select a channel Push lt TAG CALL lt gt for 1 sec Ji b Scrolls 7 O BASIC OPERATION U S A Canadian and international channels 304 is pre programmed with 59 U S A 59 interna tional and 63 Canadian channels These channel groups may be specified for the operating area D Push CH WX to select a regular channel e weather channel appears push again 2 Push U I C both A and W on the transceiver to change the channel group if necessary e U S A International and Canadian channel groups can be se lected in sequence 3 Push A or V to select a channel 0 appears for duplex channels Weather channels The IC M304 has 10 pre programmed weather channels These are used for monitoring broadcasts from NOAA Na tional Oceanic and Atmospheric Administration The transceiver can automatically detect a weather alert tone on the selected weather channel while receiving the channel or during scanning p 29 D Push CH WX once or twice to select a weather channel WX appears when a weather channel is selected WX ALT appears when the Weather alert function is in use p 29 2 Push A or V to
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