Channel selection
Contents
1. 2 8 Spring washers M5 2 7 Mounting bracket knobs 2 DC power cable 946 1 Antenna A key element in the performance of any communication sys tem is an antenna Ask your dealer about antennas and the best places 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 Fuse rating 10 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 may damage transceiver surfaces B Connections DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V DC power source EXTERNAL MICROPHONE JACK Connects to optional HM 127 REMOTE CONTROL MICRO PHONE CAUTION NEVER connect other microphone such as the HM 134 etc may cause damage the transceiver ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connector to the transceiver CONNECTIONS AND MAINTENANCE 9 CAUTION Transmitting without an antenna may dam age the transceiver Q GPS RECEIVER JACK Conn2. INSTRUCTION MANUAL VHF MARINE TRANSCEIVER IC M502 This device complies with Part 15 of the FCC rules Operation is sub ject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Icom Inc IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver IN CASE OF EMERGENCY SAVE THIS INSTRUCTION MANUAL Tris in struction manual contains important operating instructions for the IC M502 If your vessel requires assistance contact other vessels and the Coast Guard by sending a distress call on channel 16 Or transmit your distress call using digital selective calling on channel 70 USING CHANNEL 16 DISTRESS CALL PROCEDURE 1 MAYDAY MAYDAY MAYDAY 2 THIS 9 name of vessel 3 Your call sign or other indication of the vessel AND 9 digit DSC ID if you have one 4 LOCATED AT your position 5 kind of the distress and assistance required 6 Any other information which might facilitate the rescue USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE 1 While lifting up the switch cover push and hold DISTRESS for 5 sec until you hear 5 short beeps change to one long beep 2 Wait for an acknowledgment from a coast station Channel 16 is automat
3. 30 W RF attenuator function 51 E Receiving and transmitting 8 gs Lock functions 52 et mode items 31 Call channel programming 9 W Display backlighting 52 W Channel names 9 9 CONNECTIONS AND Bi Monitor function 52 Optional voice scrambler MAINTENANCE 34 39 Call channel programming 53 2 nr Hed 10 Supplied accessories 34 Optional voice scrambler 4 DUALWATCH TRI WATCH 11 Antenna 34 operation T L TTET 53 Description 11 W Fuse replacement 34 Starting a scan 54 HO Cleaning 34 li Setting tag channels 54 peration 11 W Connections 35 Dualwatch Tri watch operation 54 5 SCAN OPERATIONS 12 13 Mounting the transceiver 36 E Set mode programming Scan types W Optional unit installation 38 E Intercom operation W Setting tag channels
4. Panel description The optional HM 127 remotely controls the IC M502 and pro vides an optional intercom function POWER SWITCH PWR 8 51 Push for 2 sec to turn the HM 127 power ON or OFF when the IC M502 power is turned ON 13 127 REMOTE CONTROL MICROPHONE PTT SWITCH PTT pgs 8 51 Push and hold to transmit release to receive CHANNEL UP DOWN SWITCHES A V Push either switch to change the operating channel set mode contents etc pgs 8 51 While pushing H L push A W to adjust the bright ness of the LCD and switch backlight p 52 Push either switch to adjust audio level or noise squelch level after VOL or SQL is pushed respectively pgs 8 51 set mode changes setting of the selected item pgs 9 55 Checks tag channels or changes scanning direction dur ing scan pgs 8 54 CHANNEL 16 CALL CHANNEL SWITCH 16 9 Selects channel 16 when pushed pgs 6 50 Selects call channel when pushed for 1 sec pgs 6 50 CALL appears when call channel is selected Push for sec to enter call channel programming con dition when call channel is selected pgs 9 53 While pushing H L enters memory name programming condition pgs 9 56 Enters set mode when pushed while turning power ON pgs 30 55 CHANNEL DUALWATCH TRI WATCH SWITCH CH WX DW U I C Selects and toggles the regular
5. Sat mone speaker Inema speaker OH fault on of Irena speaker OFF LCD contrast This item adjusts the contrast of the LCD in 8 steps Set more Lp contrast contrast d ide fault ill The optional HM 127 has it s own setting for the LCD con trast Attenuation level This item sets the receive attenuation level for the attenuator function from 3 levels radon level 1 45584414 SET MODE 8 Scrambler code When an optional scrambler unit is connected the scrambler code can be set depending on dealer setting When the UT 98 or UT 112 is installed 128 or 32 codes 0 to 127 or 1 to 32 can be selected respectively more code trum Ber code 0 UT default code 127 Scrambler type When an optional scrambler unit is connected the scrambler type can be selected in set mode depending on dealer set ting Set more Soran Let UT S2 scram unit UT 112 scrambler unii CONNECTIONS AND MAINTENANCE Supplied accessories The following accessories are supplied Qty D Mounting bracket 1 2 Microphone hanger 562 1 3 Mic hanger screws 16 2 4 Mounting screws 5 X 20 2 5 Flat washers M5
6. e Push SCAN TAG for 1 sec to set the paused channel as a tag channel 8 To stop the scan push SCAN Example Starting a normal scan Fus 8 03 gU Eeg Scan start When a signal iz received 13 DSC OPERATION MMSI code programming The 9 digit MMSI DSC self ID code can be programmed at power ON This function is not available when the MMSI code has been programmed by the dealer This code programming can be performed only 2 times D Turn power OFF While pushing DSC ENT turn power ON to enter MMSI code programming condition 3 After the display appears release DSC ENT Sat PPSI PEMET 4 Select the desired number by rotating the channel selector 5 Push CH WX to advance the cursor Push SCAN to move the cursor backward 6 Repeat steps 4 and to input 9 digit code 7 Push DSC ENT to input and set the code The previously selected channel appears 14 Position and time programming A distress call should include the ship s position and time If no GPS is connected your position and UTC Universal Time Coordinated time should be input They are included auto matically when a GPS receiver NMEAO0183 ver 2 0 is con nected This function is not available when an optional GPS re ceiver 0183 ver 2 0 is connected D Push DSC ENT twice to enter the position programming condition an
7. watch operation Push A W to select the desired channel e Push CH WXeU I C several times while pushing H L to select the channel group USA INT CAN if desired 2 Push CH WX DWI for 1 sec to start dualwatch or tri watch DUAL appears during dualwatch TRI appears during tri watch Beep tone sounds when a signal is re ceived on channel 16 e Tri watch becomes dualwatch when re ceiving a signal on the call channel 3 To cancel dualwatch tri watch push CH WX DW again Set mode programming Set mode is used to change the condition of the transceiver s functions and the microphone s own functions Transceiver s functions scan mode normal or priority scan resume timer weather alert dualwatch tri watch selection DSC watch transceiver s beep tone internal speaker transceiver LCD contrast transceiver RF attenuation level scrambler code and scrambler type Microphone s own functions beep tone function microphone and LCD contrast micro phone In this section instructions are for the microphone s own func tions only Refer pgs 30 33 for the setting of the other func tions Some functions may not be selected from the micro phone Entering set mode D Turn power OFF While pushing 16 9 turn power ON After beep emission a set mode item in the channel name indi cator and condition in the channel number readout is displayed 3 Push 16 9 to select t
8. x4 1 2 H x 49Ae D in 1130 g 21b 8 oz 25 W and 1 W Variable reactance phase modulation 5 0 kHz 70 dB Receiver e Receive system Double conversion superheterodyne e Sensitivity 12 dB SINAD Less than 0 25 pV typical e Squelch sensitivity Less than 0 3 uV e Intermodulation rejection ratio More than 80 dB typical e Spurious response More than 80 dB typical rejection ratio e Adjacent channel selectivity More than 80 dB typical e Audio output power More than 3 5 W at 10 distor tion with a 4 Q load All stated specifications are subject to change without notice or obligation SPECIFICATION AND OPTIONS 12 Options MB 75 FLUSH MOUNT For mounting the transceiver to a panel SP 5 EXTERNAL SPEAKER A large external speaker for superior audio output SP 10 EXTERNAL SPEAKER A compact external speaker Features easy installation UT 98 VOICE SCRAMBLER UNIT pgs 10 33 UT 112 VOICE SCRAMBLER UNIT Ensures private communications 128 or 32 codes are avail able Not available in some countries HM 127 REMOTE CONTROL MICROPHONE p 44 External microphone type controller Provides optional inter com operation 6 m 20 feet microphone cable and mount ing base included Black and white colors are available OPC 999 MICROPHONE EXTENSION CABLE 6 m 20 feet microphone extension cable for optional HM 127 Up to 2 OPC 999 can be connected 18 m 60 feet maximum 44
9. 39 Channel names i a d 19 40 TROUBLESHOOTING 40 TEMPLATE 6 DSC OPERATION 11 88 11 CHANNEL LIST 41 E MMSI code programming 14 CAUTIONS Z 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 If an incorrect connection is made after cutting the transceiver may be damaged NEVER place the transceiver where normal operation of the vehicle may be hindered or where it could cause bodily injury KEEP the transceiver at least 3 3 ft 1 m away from the ship s navigation compass DO NOT use or place the transceiver in areas with temper atures below 4 F 20 or above 140 F 60 C 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 i
10. I C Selects and toggles the regular channels and weather channel when pushed momentarily pgs 6 7 While pushing HI LO selects one of regular channels in sequence when pushed pgs 6 7 International U S A and Canadian channels are available for regular channels Starts dualwatch or tri watch when pushed for 1 sec p 11 Stops dualwatch or tri watch when either is activated SCAN SWITCH SCAN TAG p 13 Starts and stops normal or priority scan when tag chan nels are programmed Push SCAN TAG for 1 sec to set the displayed chan nel as a tag scanned channel While pushing HI LO push for sec to clear all tag channels DSC POSITION SWITCH DSC ENT POS Selects the DSC menu when pushed p 14 Shows current position and time from an optional GPS receiver etc when pushed for 1 sec p 15 2 PANEL DESCRIPTION Function display BUSY T E 0 25 TRE oc 9 64 CRLLIMEN BUSY TRANSMIT INDICATOR 8 BUSY appears when receiving a signal or when the squelch opens TX appears while transmitting POWER INDICATOR p 8 25W appears when high power is selected 1W appears when low power is selected TAG CHANNEL INDICATOR p 13 Appears when a tag channel is selected CHANNEL NAME INDICATOR Channel comment appears if programmed 9 Low battery flashes when the battery voltage dro
11. LOHI E F fu 2 Rotate the channel selector to select the digit of your posi tion Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to clear the position data 4 Push DSC ENT to set the position and advance to time setting condition Push LO DX to abandon the setting and exit the condition mrs iT PH 5 Rotate the channel selector to select the digit of current UTC time 6 Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to clear the time 7 Push DSC ENT to set the time Push LO DX to abandon the setting and exit the condition DSC OPERATION 6 Position indication When an optional GPS receiver 0183 ver 2 0 is con nected the transceiver can display the current position and time When no GPS receiver is connected the transceiver displays the manually entered position and time A GPS receiver appropriate for the IC M502 is not supplied from Icom An 0183 ver 2 0 is required for position in dication Ask your dealer about the GPS receiver Push DSC ENT POS for 1 sec to display the current po sition and time MNL manual appears instead of the GPS indication when the position data is entered manually LAT S4 S H LH BPS 17012174 b CALLING 6 DSC OPERATION B Distress call A distress call should be transmitted
12. Push SQL while pushing H L to turn the lock function ON and OFF appears eOnly PWR PTT H L SQLeMONI VOL A W and SQL 4 V are functional Activating the all key lock function Turn the power ON by pushing PWR while pushing H L to turn the all key lock function ON and OFF flashes Only PWR and PTT are func tional d CORN Appears when locke Tunctien is in use wien all look Tunctimn in use B Display backlighting The function display and switches can be backlit for better visibility under low light conditions And the backlighting con dition can be adjusted independently from the transceiver D Push VOL DIM for 1 sec to enter backlight adjusting mode with number of backlight level appears the channel name indicator 2 Push AT W to adjust the backlight level backlight level is adjustable between 0 lights OFF and 7 brightest For your reference Pushing AT W while is pushed also adjusts backlight level No backlight level indication is available B Monitor function The monitor function releases the noise squelch mute of the microphone only An independent noise squelch system is employed Push SQLeMONI for 1 sec to activate the monitor func tion flashes and audio is emitted e Any key except cancels the monitor function HM 127 REMOT
13. and speak at a normal voice level Call channel programming The call channel is used to select channel 9 however you can program your most often used channels in each channel group for quick recall D While pushing HI LO push CH WX DWeU I C one or more times to select the desired channel group U S A In ternational Canada to be programmed 2 Push 16 9 for 1 sec to select the call channel of the se lected channel group CALL and call channel number appear order of indication precedence is LOCAL SP OFF and CALL 3 Push 16 9 again for 3 sec until long beep changes to 2 short beeps to enter call channel programming con dition Channel number starts flash ing 4 Rotate the channel selector to select the desired chan nel 8 Push 16 9 to program the displayed channel as the call channel Push CH WX to cancel channel number stops flashing BASIC OPERATION 3 B Channel names Memory channels can be tagged with names of up to 10 characters each Capital letters small letters numerals some symbols 96 amp gt and spaces can be used D Select the desired memory channel Cancel dual watch tri watch or scan in advance 2 While pushing HI LO push 1699 to edit memory chan nel name cursor appears and blinks IHT 1 3 Select the desired character b
14. channels and weather channel when pushed momentarily pgs 6 7 50 w While pushing H L selects one of 3 regular channels in sequence when pushed pgs 6 7 50 International U S A and Canadian channels are available for regular channels w Starts dualwatch or tri watch when pushed for 1 sec pgs 11 54 Stops dualwatch or tri watch when either is activated Q ATTENUATOR INTERCOM SCRAMBLER SWITCH LO DX IC SCR Toggles the attenuator function ON and OFF when pushed momentarily pgs 8 51 LOCAL appears when the attenuator is in use Activates the intercom function when pushed for 1 sec pgs 29 56 Calls the IC M502 when pushed and held while in inter com mode pgs 29 56 While pushing H L activates an optional voice scram bler function pgs 10 53 The optional voice scrambler function cannot be used on channel 16 and 70 SGUELCH MONITOR LOCK SWITCH SQL MONI L we A W sets the squelch threshold level after pushing SQL p 51 Push SQLeMONI for 1 sec to turn the monitor function ON p 52 While pushing push SQLeMONI L to toggle the microphone key lock function ON or OFF p 52 W appears while key lock function is in use HM 127 REMOTE CONTROL MICROPHONE 13 PWR PTT VOL SQL and H L still function when the microphone key lock function is turned ON Advance the cursor while in memory name program ming condition pgs 9 56 VOLU
15. if in the opinion of the Master the ship or a person is in distress and requires imme diate assistance NEVER USE THE DISTRESS CALL WHEN YOUR SHIP IS NOT IN AN EMERGENCY A DISTRESS CALL CAN BE USED ONLY WHEN IMMEDIATE HELP IS NEEDED D Confirm any distress call is not being received 2 While lifting up the switch cover push the DISTRESS Switch for 5 sec to transmit the distress call An emergency channel Ch 70 is automatically selected and the distress call is transmitted e If no GPS is connected input your position and UTC time if pos Distress TX sible Asma Wi HJ 3 After transmitting the call the transceiver waits for an ac knowledgment call on Ch70 The distress call is automatically transmitted every 3 5 to 4 5 minutes 01 Con 1614 Wait for ACK U When receiving the acknowledgment reply to the con nected station via the microphone Received Distress ACK f Toksa 3 Ib Distress alert contains default Kinds of distress Undesignated distress Position data GPS or manual input position data held for 23 5 hrs or until the power is turned OFF 4 The distress call is repeated every 3 5 4 5 min until re ceiving an acknowledgement 2 Push DISTRESS to transmit a renewed distress call if desired Push 16 9 to cancel the Call repeat mode 27 may blink instead of position and time indications when the
16. menu 3 Rotate the channel selector to select All ships and push C 4 Push DSC ENT to transmit the all ships call Channel 70 is selected and the all ships call is transmitted Routine category only is available Sal itan dividual HDU ACK S411 ships DSC OPERATION 6 5 The all ships call has been transmitted ALI ships IU Cont leted Push PTT or rotate the channel selector to exit the condi tion 6 DSC OPERATION Transmitting position request call Transmit a position request call when you want to know your friend s current position etc D Select a desired channel other than channel 70 2 Push DSC ENT to select the DSC menu 3 Rotate the channel selector to select POS request and push DSC ENT Sal itan Push DSC ENT to transmit the position request call Channel 70 is selected and the position request call is transmit ted 5 The position request call has been transmitted POS Con leted Wait for ACK IU 6 Push PTT or rotate the channel selector to exit the condi tion Transmitting position reply call Transmit a position reply call when a position request call is received D When a position request call is received the function dis play shows as follows Received n POS retest Iccm Ans DSC ENT 1 Push DSC ENT to reply the position request call push HI LO to ignore the position request
17. select the number Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to cancel and exit the condition Offset Line 12 hours ime default 8 Push DSC ENT to program and to exit the condition MMSI code check The 9 digit MMSI DSC self ID code can be checked in set mode D Push DSC ENT to select the DSC menu 2 Rotate the channel selector to select Set up and push DSC ENT 581 ites al 15 H 3 Rotate the channel selector to select MMSI check then push DSC ENT elete ID Offset tine MIS check Check the 9 digit MMSI DSC self ID code 5 Push DSC ENT to exit the condition DSC OPERATION 6 6 DSC OPERATION Receive messages The transceiver automatically stores up to 20 distress mes sages and 20 other messages The messages can be used as an assistance to the logbook D Push DSC ENT to select the DSC menu Rotate the channel selector to select RCV calls and push DSC ENT RCV calls does not appear until a distress call is received us al 3 Rotate the channel selector to select distress messages or other messages then push DSC ENT we QU 4 Rotate the channel selector to select the desired message then push DSC ENT 8 Rotate the channel selector to scroll the message stored message has several inform
18. the distress is stored for 10 minutes 22 6 DSC OPERATION B DSC individual ID A total of 40 DSC address ID s be programmed and named with up to 10 characters Programming address ID D Push DSC ENT to select the DSC menu 2 Rotate the channel selector to select Set up and push DSC ENT 3 Rotate the channel selector to select Add ID then push DSC ENT 581 itan 15 Hidd 10 3 time CU Delete D 4 Set the distress ID and ID name then push DSC ENT Rotate the channel selector to select the character Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to cancel and exit the condition 5 Push DSC ENT to program and to exit the condition Deleting address ID D Push DSC ENT to select the DSC menu 2 Rotate the channel selector to select Set up and push DSC ENT 3 Rotate the channel selector to select Delete ID then push DSC ENT When no address ID is programmed the transceiver exits the condition automatically 581 itan all ls Add 10 Er time CU PDeleta D 4 Select the desired ID name with the channel selector then push DSC ENT Delete ID corz m OU 5 Push DSC ENT to delete the address ID push other Switch to exit the condition DSC OPERATION 6 Receiving DSC calls Receiving a distress call While monitoring channe
19. 27 REMOTE CONTROL MICROPHONE Starting a scan Push CH WXeU I C several times while pushing H L to select the channel group USA INT CAN if desired When the weather alert function is in use select the desired weather channel with CH WX 2 Push SCN to start priority or normal scan SCAN appears during normal scan The priority channel readout indicates 16 and and SCAN indicators ap pear during priority scan When a signal is received scan pauses until the signal disappears or resumes after pausing 5 sec according to set mode setting Channel 16 is still moni tored during priority scan Push to check the scanning tag channels to change the scanning direc tion or resume the scan manually 3 To stop the scan push SCN SCAN disappears Pushing PTT 1699 or CH WX also stops the scan Setting tag channels D Push CH WXeU I C several times while pushing H L to select the channel group USA INT CAN if desired Push A W to select the desired channel to set as a tag channel 3 Push SCNeTAG for 1 sec to set the displayed channel as a tag channel ml appears 4 To cancel the tag channel setting push SCNeTAG for 1 sec GH disappears Clearing all tag channels in the selected channel group Push SCNeTAG while pushing for 3 sec until long beep changes to 2 short beeps E Dualwatch Tri
20. 4 Push 16 9 one or more times to select the scrambler code item Scrambler code appears 8 Rotate the channel selector to select the desired scram bler code Turn power OFF then ON again to exit set mode Example Programming scrambler code 127 gt po Set rei ret Line ar mode 3 Sc rambler cade jen 95507 DUAL WATCH TRI WATCH 4 Description Dualwatch monitors channel 16 while you are receiving an other channel tri watch monitors channel 16 and the call channel while receiving another channel 5 bing BB 88 D ualwatch Tri urat ch elf a signal is received on channel 16 dualwatch tri watch pauses on channel 16 until the signal disappears elf a signal is received on the call channel during tri watch tri watch becomes dualwatch until the signal disappears transmit on the selected channel during dualwatch tri watch push and hold PTT Operation D Select the desired operating channel 2 Select dualwatch or tri watch in set mode p 31 3 Push CH WXeDWeU I C for 1 sec to start dualwatch or tri watch DUAL appears during dualwatch TRI appears during tri watch Beep tone sounds when a signal is received on channel 16 To cancel dualwatch tri watch push CH WX DWeU I C Example Operating tri watch on INT channel 25 starts B
21. CATOR pgs 8 51 52 Appears when receiving a signal or when the squelch opens TRANSMIT INDICATOR pgs 8 51 Appears while transmitting HM 127 REMOTE CONTROL MICROPHONE 13 HM 127 supplied accessories Accessories included with the HM 127 Qty D Connection cable 1000 6 m 20 ft 1 2 Mounting base ete 1 3 Microphone hanger 1 Screws x 16 tapping 5 13 HM 127 REMOTE CONTROL MICROPHONE B installation The optional HM 127 can be connected to the transceiver di rectly as well as via the supplied connection cable for longer distance remote operation The connector of the connection cable can be installed into a cabinet wall etc as a built in plug For longer distance remote operation the optional extension cable OPC 999 6 m 20 ft Connecting between transceiver and the connection cable is available and up to 2 OPC 999 can be added D Insert the supplied cable into the external microphone jack and tighten the cable nut as shown below To use the supplied cable as a wall socket follow the fol lowing steps 3 Using the mounting base carefully mark off the 2 spots where the cable and screws will be fastened 4 Drill holes at these marks 5 Install the mounting base using screws as shown below Hu
22. E CONTROL MICROPHONE 13 Call channel programming D Push CH WX U I C several times while pushing H L to select the desired channel group USA INT CAN to be programmed 2 Push 16 9 for 1 sec to select the call channel of the selected chan nel group CALL and call channel number ap pear 3 Push 16 9 again for 3 sec until long beep changes to 2 short beeps to enter call channel pro gramming condition Call channel number and channel group to be programmed flashes 4 Push to select the desired channel 5 Push 16 9 to program the dis played channel as the call channel The call channel number and channel group stop flashing OR Optional voice scrambler operation Activating the scrambler D Select an operating channel except channel 16 or weather channels 2 Push LO DX IC SCR while pushing H L to turn the In voice scrambler function ON SCRM appears 3 To turn the scrambler func Appears when Tie tion OFF repeat step 2 SCRM disappears Scramble runcton is in use Programming scramble codes There are 128 codes 00 to 127 available with UT 98 or 32 codes 01 to 32 available with the UT 112 for programming In order to understand one another all transceivers in your group must have the same scrambler code as well as the same scrambler unit The scrambler code is programmed in set mode See pgs 10 33 55 for details 13 HM 1
23. EY n Signal iz received on cal chanrrel TRI I5 U Signal received on channel 16 take priority reame TRE Br after the gral TRI disappears 11 12 5 SCAN OPERATIONS 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 in use the selected weather channel is checked while scanning p 31 Set the tag channels scanned channel before scanning Clear the tag channels which inconveniently stop scanning such as digital communication use Choose priority or normal scan set mode 31 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 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 tag channels for unwanted channels Chan nels set as non tag channels will be skipped during scanning Tag channels can be assigned t
24. FF then ON again to exit set mode SET MODE CONSTRUCTION San mode Sqn resum tpa er t Baam Wer type Saam bler code Weather alert Scan mode Scan tiner 9 Walert P DUARI P 5 watch level poranb ler Scrambler iom Fite quation dem Dualit watch watch M tore Baer LC D contat 3 LCD 14 1 contrast ape E Set mode items Scan mode The transceiver has 2 scan modes 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 Set morle fj Priority zcan Scan Boral scm Scan resume timer The scan resume timer can be selected as a pause OFF or timer scan ON When OFF is selected the scan pauses until the signal disappears When ON is selected the scan pauses 5 sec and resumes even if a signal is being received on channels except for channel 16 Set mane QF on Scan tm er D FF Scar timer OM SETMODE 8 Weather alert An 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 flashes the WX ALT indicator until the transceiver is oper ated The previously selected used weather channel is checked any time during standby or while scanning
25. GPS data is invalid or 4 hours after the time data is input manually Transmitting DSC calls Transmitting individual call The individual call function allows you to transmit a DSC sig nal to a specific party only D Select a desired channel other than channel 70 2 Push DSC ENT to select the DSC menu uw n an chive 3 Rotate the channel selector to select individual and push DSC ENT Rotate the channel selector to select the desired grammed individual address or push DSC ENT while Manual is displayed to set the ID code for the indi vidual you wish to call The ID code for the individual call can be set in advance p 22 581 address set cu DSC OPERATION 6 5 Push DSC ENT to transmit the individual call Channel 70 is selected and the individual call is transmitted to the selected station channel 70 is busy the transceiver standbys until the channel becomes clear Routine category only is available Individual is BEN To cancel Enther Push D EC EM T to trae it When Chr buy Standby on channel 70 until an acknowledgement is Individual ceived Cont leted Wait for IU 7 When the acknowledgement is received the display changes to the previously selected user channel with beeps Push and hold PTT to communicate your message to the responding party 6 DSC OPERATI
26. ME DIMMER SWITCH VOL DIM we AT W adjusts the audio level after pushing VOL Push VOL DIM for 1 sec to adjust the brightness of the LCD and switch backlight p 52 Move the cursor backward while in memory name pro gramming condition pgs 9 56 TRANSMIT POWER SWITCH H L Toggles high and low power when pushed pgs 8 51 e Some channels are set to low power only While pushing this switch other switches perform sec ondary functions Toggles the all key lock function ON or OFF when pushed while turning power ON p 52 18 flashes while the all key lock function is in use Only PWR and PTT function when the all key lock function IS In use SCAN SWITCH SCN TAG pgs 13 54 Starts and stops normal or priority scan when tag chan nels are programmed Push SCNeTAG for 1 sec to set the displayed channel as a tag scanned channel While pushing H L push for 3 sec to clear all tag chan nels 13 HM 127 REMOTE CONTROL MICROPHONE Function display CHANNEL GROUP INDICATOR pgs 6 50 Indicates whether an International INT U S A USA or Canadian CAN channel is selected KEY LOCK INDICATOR p 52 Appears while the key lock function is in use Flashes while the all key lock function is use CHANNEL NUMBER READOUT Indicates the selected operating channel number A appears when a simplex channel is selected pgs 6 50 e n set mode indi
27. ON Transmitting individual acknowledgement Transmit an acknowledgement able to comply or unable to comply when an individual call for you is received D Select a desired channel other than channel 70 2 Push DSC ENT to select the DSC menu 3 Rotate the channel selector to select INDV and push DSC ENT INDV ACK appears after an individual call is received uw ndividual 4 Rotate the channel selector to select the desired individ ual address or ID code then push DSC ENT ALL ships 581 acras John 5 Rotate the channel selector to select an acknowledgement Able or Unable then push DSC ENT on If you select Unable select the reason by rotating the channel selector then push DSC ENT reason given Congestion Busy Queue indication Barred Station barred No operator No Equip Equipment disable No channel Unable channel and No mode Unable mode are available Push DSC ENT to transmit the acknowledgement to the selected station The individual acknowledgement has been transmitted Transmitting all ships call Large ships use channel 70 as their listening channel When you want to announce a message to these ships use the all ships call function D Select a desired channel other than channel 70 2 Push DSC ENT to select the DSC
28. WX ALT appears instead of WEATHER indication when the func tion is set ON Weather Weather FF default Dual tri watch This item sets the CH WX DW switch function as dual watch or tri watch See the section Dual watch Tri watch for details Dua watch ide fulh 77 Tivath 8 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 oF DSL wabch DSC watch default 0532 watch OFF This function may not be available for some channel groups depending on dealer setting Beep tone You can select silent operation by turning beep tones OFF or you can have confirmation beeps sound at the push of a switch by turning beep tones ON The optional 127 has it s own setting for the beep tone Set mane oF Beep tone OH default tone OFF Internal speaker When an optional external speaker is connected and the transceiver s internal speaker is not required the speakers on the transceiver and microphone can be deactivated SP OFF appears on the function display when the internal speaker is turned OFF The order of indication precedence is LOCAL SP OFF and CALL
29. ation and depends on the distress call types Pal Parse shira Vedi 225 DU amp Bill n Mese CHLI 6 Push DSC ENT to exit the condition or push HI LO to clear the displayed messages Clear Intercom operation The optional intercom function allows you to talk to the deck from the cabin The optional HM 127 REMOTE CONTROL MI CROPHONE is required for intercom operation Connect an optional HM 127 as described on p 35 e Transmitting is impossible during intercom operation The received signal is muted during intercom operation D Push LO DXeICeSCR for 1 sec to enter intercom mode The HM 127 power is automatically turned ON even if the power is OFF n 127 Mae 2 Push and hold LO DX ICeSCR again to call up The transceiver and microphone emit call beeps 3 Push and hold the PTT switch and speak at a normal voice level into the microphone TALK or LSTN appears on the caller or listener function dis play respectively adjust the IC M502 s speaker output level rotate VOL INTERCOM OPERATION 7 adjust the HM 127 s speaker output level push A W after pushing VOL LSIN K Moe caller 1 7 listener 4 After releasing the PTT switch you can hear the response through the speaker 5 To return to normal operation push LO DX ICeSCR mo mentarily Other switc
30. call Setting the distress information The nature of the distress call should be included in the dis tress call D Push DSC ENT to select the DSC menu 2 Rotate the channel selector to select set and push DSC ENT 3 Rotate the channel selector to select the nature of the dis tress then push DSC ENT Undesign Undesigned Explosion Flooding Collision Grounding Capsizing Sinking Adrift Disable adrift Aban doning Abandoning ship Piracy Piracy attack Man overboard and EPIRB EPIRB emission are available 581 itan anl ls Sel ma Flondin DSC OPERATION 6 4 The position information appears Set the current position then push DSC ENT e Rotate the channel selector to select the character Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to clear the position data 905 T PPP 5 The time information appears Set the current time then push DSC ENT e Rotate the channel selector to select the numeral Push CH WX to advance the cursor Push SCAN to move the cursor backward Push HI LO to clear the time data SHOES en Bloc U 6 Push DISTRESS for 5 sec to transmit the distress call Push DSC ENT to exit the condition The selected nature of
31. cates the selected condition pgs 30 55 VOLUME INDICATOR p 51 Appears while audio output level is adjusted SQUELCH INDICATOR p 51 Appears while noise squelch level is adjusted Q CHANNEL NAME INDICATOR Channel comment appears and scrolls if programmed pgs 9 56 n set mode indicates or scrolls the selected set mode item pgs 30 55 ATTENUATOR INDICATOR pgs 8 51 Appears when the RF attenuator is in use SCRAMBLER INDICATOR pgs 10 53 Appears when an optional voice scrambler is activated SCAN INDICATOR pgs 13 54 SCAN appears during normal scan SCAN appears during priority scan PRIORITY CHANNEL INDICATOR Indicates a priority channel during priority scan or dual tri watch pgs 12 54 IC appears during intercom mode pgs 29 56 DUAL TRI WATCH INDICATOR pgs 11 54 DUAL appears during dualwatch TRI during tri watch WEATHER CHANNEL INDICATOR pgs 7 50 WX appears when a weather channel is selected ALT appears when the weather alert function is in use flashes when an alert tone is received P LOW POWER INDICATOR pgs 8 51 Appears when low power is selected CALL CHANNEL INDICATOR pgs 6 50 Appears when the call channel is selected DUPLEX INDICATOR pgs 6 50 Appears when a duplex channel is selected TAG CHANNEL INDICATOR pgs 13 54 Appears when a tag channel is selected BUSY INDI
32. coda is not set correctly Reset the scramble coda Distress call cannot 057 salf ID is not pro Program tha MMSI 057 self ID coda p 14 tens mitted grammed REN cHANNELLIST 11 NB TESTE Fe eo ea eo isse pner n pese Fre 75 users 51 8 88 5 88 8 8 pra os as 55 ERE EE TREE ep peshes pe pampe exc eee 1381 terze ex e 161 775 Lew oniy only NOTE Simplex channels 3 21 23 61 64 81 82 83 CANNOT be lawfully used by the general public in U S A waters UTE 42 1 2 SPECIFICATIONS AND OPTIONS General Frequency coverage Transmit Receive Mode Channel spacing Current drain at 13 8 V Power supply requirement Frequency stability Dimensions Projection not included Weight Transmitter Output power e Modulation system Max frequency deviation e Spurious emissions Specifications 156 025 157 425 MHz 156 050 163 275 MHz FM 16 DSC 16K0G2B 25 kHz TX high 6 0 A max audio 1 2 A max 13 8 V DC 15 10 ppm 20 C to 60 C 4 to 140 F 165 W x 110 H x 109 4 D mm 6 12 W
33. e category is Distress or Urgency 3 beeps sound for other categories All ships Distress All ships Safety or ships Urgency appears in the display then the channel specified by the calling station is automatically selected for voice communi cation Monitor the selected channel for an announcement from the calling vessel Receiving an individual call While monitoring channel 70 and an individual call is re ceived Emergency alarm or beeps sound depending on the re ceived category w Individual Distress Individual Safety Individual Ur or Individual Routine appears in the display w The channel specified by the calling station is automatically selected for checking the channel condition Received Individual Receiving a geographical area call While monitoring channel 70 and a geographical area call for the area you are in is received Emergency alarm or beeps sound depending on the re ceived category w Geographic Distress Geographic Safety Geographic Urgency or Geographic Routine appears in the display then the channel specified by the calling station is auto matically selected for voice communications Monitor the selected channel for an announcement from the calling ship Recelwad Routine Tokun Ch lem with the connected receiver all geographical area ca
34. ects to an optional GPS receiver to input the position data and time data 0183 ver 2 0 is required for position or time indication etc Ask your dealer about the GPS receiver REA 41 E tHMEA e EXTERNAL SPEAKER JACK Connects to an external speaker See Options on p 43 for available external speakers MICROPHONE HANGER Rest the supplied microphone on the hanger when not in use CAUTION After connecting the DC power cable GPS receiver jack and external speaker jack cover the connec tor and jacks with an adhesion tape as shown below to prevent water seeping into the transceiver Q CONNECTIONS AND MAINTENANCE 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 M5 x 20 to a surface which is more than 10 mm thick 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 CAUTION KEEP the transceiver and microphone at least 1 meter away from your vessel s magnetic navigation compass NOTE Check the installation angle the function display may not be easy to read at some angles OVERHEAD MOUNTING CONNECTIONS AND MAINTENANCE 9 Using the optional mounting bracket 4 Attach the clamps on either side of the IC M502 An
35. esired channel When receiving a signal appears and audio is emitted from the speaker Further adjustment of audio level may be necessary at this point Use the optional voice scrambler function for privacy pgs 10 53 4 Push H L to select the output power if necessary LOW appears when low power is selected Choose low power for shorter high power for longer distance communications Some channels are low power only HM 127 REMOTE CONTROL MICROPHONE 13 8 Push and hold PTT to transmit then speak into the mi crophone appears Channel 70 cannot be used for transmission for GMDSS use NOT be lawfully used by the general public in U S A wa Simplex channels 3 21 23 61 64 81 82 and 83 CAN ters 6 Release PTT to receive IMPORTANT To maximize the readability of your trans mitted signal voice pause a few sec after pushing PTT hold the microphone 10 to 15 cm 4 to 6 inches from your mouth and speak at a normal voice level B RF attenuator function w Push LO DX to turn the RF attenuator function ON and OFF NT IU CNN Appears unen te RF attenuatiorincton is i use 13 HM 127 REMOTE CONTROL MICROPHONE B Lock functions The lock function electronically locks keys and switches to prevent accidental changes and function access from the mi crophone keys switches and controllers on the transceiver are functional Activating the lock function
36. h 169 The 1st character of the currently programmed comment flashes Push AT W to select a character Push SQL to move to right then push A W to select a character Push VOL to move to the left 8 Continue until the desired characters have been selected the push 16 9 to return to normal operation Available characters e o tmr pre e fo see o e 1 gro Sepe Tn e o Hv To e m Les MN Be 5s Te po um 11125485 em ce d srt are Po e Cut here 5 MB 75 127 A 24 to 27 19 mm 154640 11481 S o TEMPLATE Se 35 Unit finch Count on us A 5663H 1EX kom inc Printed in Japan FE NETS 2000 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
37. he desired item if necessary Push AT W to select the desired condition of the item 8 Turn power OFF then ON to exit set mode HM 127 REMOTE CONTROL MICROPHONE 13 Beep tone BEEP Push A to turn ON W to turn OFF the beep output LCD contrast LCD CONTRAST Push AT W to adjust to a suitable LCD contrast MW LEJ LET 13 HM 127 REMOTE CONTROL MICROPHONE Intercom operation D Push LO DXeIC for 1 sec to ac tivate the intercom function C appears in the priority channel readout H if channel name disappears 2 Push PTT to talk appears in the channel Appearswhen he iner name indicator cam inciden is in use 3 Release PTT to listen L3TW appears in the channel name indicator when the trans ceiver is in talking 4 Push LO DX IC to cancel the intercom function Pushing 16 SCN TAG CH WX is also cancels the inter com function For your reference In case the intercom mode is selected with the transceiver during microphone power OFF the microphone power is au tomatically turned ON and the intercom mode is selected Intercom beep function Push LO DXeIC for more than 1 sec Emits intercom beep while holding B Channel names D Push AT W to select a channel to program e Push CH WXeU I C several times while pushing to select the channel group USA INT CAN if desired While pushing pus
38. hes also turn the function OFF however the corre sponding function is then activated e g pushing 16 9 selects channel 16 While in the intercom mode the transceiver functions transmit and receive are interrupted If the transceiver is in transmit condition the intercom function is not avail able a When a DSC call is received DSC received appears and the last received DSC message is displayed after the intercom use is finished When a WX alert is received WX ALT flashes and a beep sounds The WX alert sounds after the intercom use is finished SET MODE 8 Set mode programming Set mode is used to change the conditions of the trans ceiver s functions scan mode normal or priority scan re sume timer weather alert dualwatch tri watch selection DSC watch transceiver s beep tone internal speaker transceiver or HM 127 LCD contrast transceiver or HM 127 RF atten uation level scrambler code and scrambler type Available functions may differ depending on dealer set ting The optional HM 127 has it s own settings for the beep tone and LCD contrast D Turn power OFF 2 While pushing 1699 turn power ON to enter set mode 3 After the display appears release 16 9 4 Push 16 9 to select the desired item if necessary 5 Rotate the channel selector to select the desired condition of the item Use A W when using an optional HM 127 Turn power O
39. ically selected 3 Push and hold PTT then transmit the appropriate information as at left TABLE OF CONTENTS IMPORTANT W Position and time programming 14 12 SPECIFICATIONS AND IN CASE OF EMERGENCY zd W Position indication 15 OPTIONS 42 43 TABLE OF CONTENTS W Distress call 16 Specifications 42 CAUTIONS iii Transmitting DSC calls 17 WB Options 43 W Setting the distress information 21 1 OPERATING RULES 1 DSC individual ID 22 13 HM 127 REMOTE CONTROL 2 PANEL DESCRIPTION 2 5 li Receiving DSC calls 23 MICROPHONE 44 56 E Panel description E DSC set mode Panel description 44 E Function display W Receive messages 28 B Function display seen 46 Microphone 127 supplied accessories 47 GM NL QE 7 INTERCOM OPERATION 29 Wi Installation 48 3 BASIC OPERATION 6 10 W Intercom operation Channel selection 50 m AAT 5 SET MODE Suo W Receiving and transmitting 51 Set mode programming
40. l 70 and a distress call is received w Emergency alarm sounds for 2 minutes Push any switch to stop the alarm Received Distress appears in the display then channel 16 is automatically selected Continue monitoring channel 16 as a coast station may re quire assistance Receiving a distress acknowledgement While monitoring channel 70 and a distress acknowledge ment to other ship is received w Emergency alarm sounds for 2 minutes Push any switch to stop the alarm Received Distress ACK appears in the display then channel 16 is automatically selected 24 6 DSC OPERATION Receiving a distress relay acknowledgement While monitoring channel 70 and a distress relay acknowl edgement is received Emergency alarm sounds for 2 minutes Push any switch to stop the alarm Received DTRS RLY appears in the display then channel 16 is automatically selected Receiving a distress relay call While monitoring channel 70 and a distress relay call is re ceived Emergency alarm sounds for 2 minutes Push any switch to stop the alarm Received Distress RLY appears in the display then channel 16 is automatically selected Monitor channel 16 until the emergency communication has been completed Received Distress RLY n Toon gt Tokun Receiving an all ships call While monitoring channel 70 and an all ships call is received Emergency alarm sounds when th
41. lls When no GPS receiver is connected or if there is a prob are received regardless of your position DSC OPERATION 6 Receiving a position reply call While monitoring channel 70 and a position reply call for the area you are in is received Received POS appears in the display Received POS amp TOW wemwr no GPS receiver is connected or if there is a prob lem with the connected receiver all geographical area calls are received regardless of your position Receiving a position request call While monitoring channel 70 and a position request call for the area you are in is received POS request appears in the display Push DSC ENT to reply to the call Received n POS reussi Aen no GPS receiver is connected or if there is a prob lem with the connected receiver all geographical area calls are received regardless of your position 6 DSC OPERATION DSC set mode Offset time This item sets the offset time from the UTC Universal Time Coordinated time D Push DSC ENT to select the DSC menu 2 Rotate the channel selector to select Set up and push DSC ENT 3 Rotate the channel selector to select Offset time then push DSC ENT 581 itan 15 Add 10 Er time CU Delete D 4 Set the offset time from the UTC Universal Time Coordi nated time then push DSC ENT e Rotate the channel selector to
42. nadvertent use by children BE CAREFUL The transceiver and optional HM 127 em ploy waterproof construction which corresponds to JIS wa terproof specification grade 7 1 m 30 min However once the transceiver or microphone has been dropped water proofing cannot be guaranteed due to the fact that the case may be cracked or the waterproof seal damaged etc CLEAN THE TRANSCEIVER AND MICROPHONE THOROUGHLY WITH FRESH WATER after exposure to water including fresh water otherwise the keys and 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 e 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 Inquire 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 1 2 OPERATOR S LICENSE A Restricted Radiotelephone O
43. ndary functions CHANNEL SELECTOR CHANNEL Rotate CHANNEL to select the operating channels set mode contents etc p 8 While pushing HI LO rotate CHANNEL to adjust the brightness of the LCD and switch backlight Q ATTENUATOR INTERCOM SCRAMBLER SWITCH LO DX IC SCR Toggles the attenuator function ON and OFF when pushed momentarily p 8 LOCAL appears when the attenuator is in use The order of indication precedence is LOCAL SP OFF and CALL Activates an optional intercom function when pushed for 1 sec p 29 Calls optional HM 127 REMOTE CONTROL MICROPHONE when pushed and held while in intercom mode p 29 w While pushing HI LO activates an optional voice scrambler function p 10 The optional voice scrambler function cannot be used on channel 16 and 70 CHANNEL 16 CALL CHANNEL SWITCH 1699 Selects channel 16 when pushed p 6 Selects call channel when pushed for 1 sec p 6 CALL appears when call channel is selected LOCAL and SP OFF indications have priority Push for sec to enter call channel programming con dition when call channel is selected p 9 While pushing HI LO enters memory name program ming condition p 9 Enters set mode when pushed while turning power ON p 30 PANEL DESCRIPTION 2 Q DISTRESS SWITCH DISTRESS Transmits distress call when pushed for 5 sec p 16 CHANNEL DUALWATCH TRI WATCH SWITCH CH WX DW U
44. o each channel group U S A International Canada independently D While pushing HI LO push CH WX DWeU I C one or more times to select the desired channel group if desired 2 Select the desired channel to set as a tag channel 3 Push SCAN TAG for 1 sec to set the displayed channel as a tag channel TAG appears in the function display 4 To cancel the tag channel setting repeat 3 TAG disappears Clearing all tag channels in the selected channel group While pushing HI LO push SCANeTAG for sec to clear all tag channels in the channel group SCAN OPERATION 5 Starting scan Set scan type priority or normal scan and scan resume timer in advance using set mode p 31 D Set tag channels as described at left 2 Make sure the squelch is closed to start a scan While pushing HI LO push CH WX DWeU I C one or more times to select the desired channel group if desired 4 Push SCAN to start priority or normal scan Pri scan 16 or Normal scan appears in the function display When a signal is detected scan pauses until the signal disap pears or resumes after pausing 5 sec according to set mode set ting Channel 16 is still monitored during priority scan e Rotate the channel selector to check the scanning tag channels to change the scanning direction or resume the scan manually 16 flashes and a beep tone sounds when a signal is received on channel 16 during priority scan
45. optional MB 75 FLUSH MOUNT is available for mounting Make sure that the clamps align parallel to the IC M502 s body the transceiver to a flat surface such as an instrument panel CAUTION KEEP the transceiver and microphone at least 1 meter away from your vessel s magnetic navigation compass D Using the template on the last page carefully cut a hole into the instrument panel or wherever you plan to mount the controller 2 Slide the transceiver through the hole as shown below 5 Tighten the end bolts on the clamps rotate clockwise so that the clamps press firmly against the inside of the in strument control panel 6 Tighten the locking nuts rotate counterclockwise so that the IC M502 is securely mounted in position as below 7 Connect the antenna and control cable then return the in strument control panel to its original place 3 Attach the 2 supplied bolts M5 x 8 mm on either side of the IC M502 CONNECTIONS AND MAINTENANCE Optional unit installation CAUTION DISCONNECT the DC power cable from the transceiver before performing any work on the transceiver Otherwise there is danger of electric shock and or equip ment damage Follow the case opening procedure shown here when you want to install an optional unit etc D Remove the 6 screws as shown below and open the trans ceiver 2 Remove the 4 screws from the shielding plate then lift up the shielding plate 3 Plug an o
46. perator 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 terminal or required to carry a marine radio under any other regula tion must still carry an FCC ship station license For further information see the FCC Ship Radio Stations Fact Sheet 2 PANEL DESCRIPTION Panel description POWER SWITCH POWER Push to toggle the transceiver power ON and OFF VOLUME CONTROL VOL Adjusts the audio level p 8 SQUELCH CONTROL SQL Sets the squelch threshold level p 8 TRANSMIT POWER SWITCH HI LO Toggles high and low power when pushed 8 Some channels are set to low power only While pushing this switch other switches perform sec o
47. ps to approx 10 V DC or below we DUAL appears during dualwatch TRI appears dur ing tri watch p 11 SCRAMBLER INDICATOR p 10 Appears when an optional voice scrambler is activated Q DUPLEX INDICATOR p 6 Appears when a duplex channel is selected CHANNEL NUMBER READOUT Indicates the selected operating channel number appears when a simplex channel is selected p 6 set mode indicates the selected condition p 30 CHANNEL GROUP INDICATOR p 6 Indicates whether an International INT U S A USA Canadian CANADA or weather WX channel is selected CALL CHANNEL INDICATOR CALL appears when the call channel is selected 6 SP OFF appears when the internal speaker is turned OFF in set mode p 32 LOCAL appears when the attenuator is in use p 8 order of indication precedence is LOCAL SP OFF and Microphone Q PTT SWITCH PTT Push and hold to transmit release to receive p 8 CHANNEL UP DOWN SWITCHES AY V Push either switch to change the operating memory chan nel set mode contents etc p 8 TRANSMIT POWER SWITCH HI LO Same as the HI LO switch on the front panel p 8 While pushing HI LO on the supplied microphone turn power ON to toggle the lock function ON and OFF p PANEL DESCRIPTION 2 6 3 B Channel selection Channel 16 Channel 16 is the distress and safet
48. ptional unit to J6 on the MAIN unit as shown below Return the shielding plate and assemble the units to their original positions B Dimensions 165 0 amp 17 v ur a 8 110 0 4 1342 CONNECTIONS AND MAINTENANCE 9 1 TROUBLESHOOTING PROBLEM POSSIBLE C AUSE SOLUTION Mo power comes ON connection tha power supply Check the connection the sound comesa from Squalk h level is deep Set aqueich the threshold point the a pea ker Volume is toc Set VOL to suitable level Speaker has been ex posed water Drain water tom the speaker mernal HE ig turned OFF Turn the internal speaker inset moda Sere ow ston OFF pe imposai Some channel are for low power or re Changa c hannabb or high power carr caws nat selec id Tha output power is to low Push to select high power Scancdoes not start channel is not programmed Set tha des irad c hanna TAG chan nah sounds tone is turned OFF Turn the ON inset moda p 32 The aquelh is open Set aqueich tha threshold point p 8 Receive signal cannot Optional voice scrambler is OFF Turn tha optional voice scrambler 10 understood Sc ambe
49. sh POWER 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 To change the channel group push CH WX DWeU I C while pushing HI LO p 6 2 Rotate the channel selector or push A W on the micro phone to select the desired channel When receiving a signal BUSY appears and audio is emitted from the speaker Further adjustment of VOL may be necessary at this point Use the optional voice scrambler function for privacy p 10 5 Push LO DX to turn the receive attenuator ON or OFF if necessary LOCAL appears when the receive attenuator is in use 6 Push HI LO to select the output power if necessary 25W or 1W appears when high or low power is selected re spectively Choose low power to conserve power choose high power for longer distance communications Some channels are for low power only 7 Push and hold PTT to transmit then speak into the mi crophone TX appears Channel 70 cannot be used for transmission for GMDSS use Simplex channels 3 21 23 61 64 81 82 and 83 CAN NOT be lawfully used by the general public in U S A wa ters Release PTT to receive IMPORTANT To maximize the readability of your trans mitted signal pause a few sec after pushing PTT hold the microphone 4 to 6 inches 10 to 15 cm from your mouth
50. t approx 2 di mm 562 6 The installation is finished when it is completed 2 2 HM 127 REMOTE CONTROL MICROPHONE 13 e 3 Rut p Z m 13 HM 127 REMOTE CONTROL MICROPHONE B Channel selection Channel 16 D Push 16 to select channel 16 ma 2 Push CH WX to return to the condition before selecting chan nel 16 or push A or V to se lect operating channel A CALL Call channel D Push 1699 for 1 sec to select call channel 2 Push CH WX to return to the condition before selecting call channel or push A or V to se lect operating channel Weather channels D Push CH WX once or twice to E select weather channel group 2 Push A or V to select weather channel Push CH WX to return to the condition before selecting the Push me weather channel group U S A International and Canadian channels D Push CH WX to select regular channel Push CH WX again if weather channel appears 2 Push CH WXeU I C while pushing to select chan nel group U S A International and Canadian channels can be selected in um e f Lm Iremiatioral Receiving and transmitting D Push PWR to turn power ON 2 Push VOL then AT W to adjust audio output level e Push SQL then to mute any audio nose if necessary Push to select the d
51. tional INT and Canadian channels can be se lected in sequence 3 Rotate the channel selector to select a channel DUP appears for duplex channels A appears for simplex channels L n USA channels c Be BY Canadian channels channels Weather channels There are 10 weather channels Used for monitoring weather channels from the NOAA National Oceanographic and At mospheric Administration broadcasts The transceiver can detect a weather alert tone on the se lected weather channel while receiving the channel during standby on a regular channel or while scanning See BASIC OPERATION 3 Weather alert on p 31 1 Push CH WX once or twice to select a weather channel WEATHER appears when a weather channel is selected WX ALT appears when the weather alert function is in use p 31 2 Rotate the channel selector to select a channel Channels are memorized separately for each channel group WEATHER nr IU When weather alertis OFF Wt ALT ifi Iu When weater alert is Ot Push ore ar twice Microphone lock function The microphone lock function electrically locks the AT W and HI LO switches on the supplied microphone This pre vents accidental channel changes and accidental function ac cess 3 BASIC OPERATION Receiving and transmitting CAUTION Transmitting without an antenna may dam age the transceiver D Pu
52. y channel It is used for establishing initial contact with another station and for emer gency communications Channel 16 is monitored during both dualwatch and tri watch While standing by you must monitor channel 16 Push 16 9 momentarily to select channel 16 Push CH WX to return to the condition before selecting channel 16 or rotate CHANNEL to select operating chan nel BASIC OPERATION 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 9 and are used to store your most often used channels in each channel group for quick recall Push 16 9 for 1 sec to select the call channel of the se lected channel group CALL and call channel number appear Each channel group may have an independent call channel after changing a call channel w Push CH WX to return to the condition before selecting call channel or rotate CHANNEL to select operating channel cd CALL CALLING Li U S A Canadian and international channels There are 57 U S A 61 Canadian and 57 international chan nels These channel groups may be specified for the operat ing area D Push CH WX to select a regular channel weather channel appears push CH WX again Push CH WXeU I C while pushing HI LO to change the channel group if necessary U S A Interna
53. y rotating the channel selec tor or by pushing A W on the microphone Push SCAN or CH WX for cursor movement 4 Push 16 9 to input and set the name Push HI LO to cancel cursor disappears 5 Repeat steps 1 to 4 to program other memory channel names if desired BASIC OPERATION Optional voice scrambler operation Activating the scrambler The optional voice scrambler provides private communica tions In order to receive or send scrambled transmissions you must first activate the scrambler function To activate the function an optional UT 98 or UT 112 is necessary See p 33 for selecting the unit Ask your dealer for details The scrambler function automatically turns OFF when channel 16 or 70 is selected D Select an operating channel other than channel 16 and 70 While pushing HI LO push LO DX IC SCR to toggle an optional scrambler function ON or OFF SC appears 3 To turn the scrambler function OFF repeat step 2 SC disappears Programming scrambler codes There are 128 or 32 codes 0 to 127 or 1 to 32 available for programming when the optional UT 98 or UT 112 is installed In order to understand one another all transceivers in your group must have the same scramble code This function may not be available depending on dealer setting D Turn power OFF 2 While pushing 1699 turn power ON to enter set mode 3 After the display appears release 16 9
Download Pdf Manuals
Related Search