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Icom IC-M502A Instruction Manual Download Page 29

23

6

DSC OPERATION

6

r

Rotate 

[

[

CHANNEL

CHANNEL

]

]

to select an acknowledgement

“

Able

” or “

Unable

,” push 

[

[

DSC/ENT

DSC/ENT

]

]

.

t

If you select “

Unable

,” select the reason by rotating

[

[

CHANNEL

CHANNEL

]

]

, push 

[

[

DSC/ENT

DSC/ENT

]

]

.

• ‘No reason given,’ ‘Congestion,’ ‘Busy,’ ‘Queue indication,’ ‘Sta-

tion Barred,’ ‘No operator,’ ‘Operator Unavailable,’ ‘Equipment
Disable,’ ‘Channel Unable’ and ‘Mode Unable’ are available.

y

Push 

[

[

DSC/ENT

DSC/ENT

]

]

to transmit the acknowledgement to the

selected station.

u

After the Individual acknowledgement has been transmit-
ted, the display changes to the channel specified by the
calling station, automatically.

INDV ACK
Completed

To Call,

To Cancel
[other]

[DSC/ENT]

Sel Reason

 Congestion
 Busy

˘No Reason

Comply

 Unable

˘Able

Summary of Contents for IC-M502A

Page 1: ...INSTRUCTION MANUAL iM502A VHF MARINE TRANSCEIVER ...

Page 2: ...RTCM SC101 require ment Rugged waterproof construction NMEA Input Output Optional COMMANDMIC is connectable Icom Icom Inc and the logo are registered trademarks of Icom Incorporated Japan in the United states the United Kingdom Germany France Spain Russia and or other coun tries COMMANDMIC is a registered trademark of Icom Incorporated Japan in the United states IMPORTANT READ THIS INSTRUCTION MAN...

Page 3: ...ight facilitate the rescue USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE 1 While lifting up the switch cover push and hold DISTRESS 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 automatically selected 3 Push and hold PTT PTT then transmit the appropriate information as at above NOTE A WARNING ...

Page 4: ...a 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 MP...

Page 5: ... FUNCTIONS 36 37 Intercom operation 36 Microphone lock function 37 8 SET MODE 38 41 Set mode programming 38 Set mode items 39 9 CONNECTIONS AND MAINTENANCE 42 47 Supplied accessories 42 Antenna 42 Fuse replacement 42 Cleaning 42 Connections 43 Mounting the transceiver 44 Optional unit installation 46 Dimensions 47 10 TROUBLESHOOTING 48 11 CHANNEL LIST 49 12 SPECIFICATIONS AND OPTIONS 50 51 Specifi...

Page 6: ... 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...

Page 7: ...radio purposes 2 OPERATOR S LICENSE A Restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is not required for safety purposes 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...

Page 8: ...sceiver power ON or OFF e SQUELCH CONTROL SQL SQL p 8 Sets the squelch threshold level r TRANSMIT POWER KEY HI LO HI LO Toggles power high or low when pushed p 8 Some channels are set to low power only While pushing this key some keys perform secondary functions t CHANNEL SELECTOR CHANNEL CHANNEL Rotate CHANNEL CHANNEL to select the operating channels Set mode settings etc pgs 8 38 While pushing H...

Page 9: ...nnel comments pro gramming condition p 9 Enters Set mode when pushed while turning power ON p 38 i DISTRESS KEY DISTRESS DISTRESS Transmits Distress call when pushed for 5 sec p 18 o CHANNEL DUALWATCH TRI WATCH KEY CH WX CH WX U I C U I C Selects and toggles the regular channels and weather channel when pushed momentarily p 7 While pushing HI LO HI LO selects one of 3 regular chan nels in sequence...

Page 10: ...ed e TAG CHANNEL INDICATOR p 13 Appears when a tag channel is selected r CHANNEL COMMENT INDICATOR Channel comment appears if programmed p 9 Low Battery blinks when the battery voltage drops to approx 10 V DC or below DUAL appears during Dualwatch TRI appears dur ing Tri watch p 11 t SCRAMBLER INDICATOR p 10 Appears when an optional Voice scrambler is activated INT CALL BUSY 25W TAG SC DUP CALLING...

Page 11: ...annel is se lected o CALL CHANNEL INDICATOR CALL appears when call channel is selected p 6 SP OFF appears when the internal speaker is turned OFF in Set mode p 40 LOCAL appears when the Attenuator is in use p 8 The order of indication precedence is SP OFF LOCAL and CALL Microphone q PTT SWITCH PTT PTT p 8 Push and hold to transmit release to receive w CHANNEL UP DOWN KEYS Y Y Y Y Z Z Z Z pgs 8 38 ...

Page 12: ... Call channel is monitored during Tri watch 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 9 9 for 1 sec to select call channel of the selected channel group CALL and call channel number appear Each channel group may have an independent call channel after programming a call channel Push CH WX CH WX to return to th...

Page 13: ...y channel for a Canadian channel group is se lected D DWeather 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 that channel during standby on a regular channel or while scanning See Weather alert...

Page 14: ...CAL appears when the receive Attenuator is in use y Push HI LO 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 for short range communications choose high power for longer distance communications Some channels are for selecting low power only u Push and hold PTT PTT to transmit then speak into Mi crophone TX appears C...

Page 15: ...nel t Push 9 9 to program the displayed channel as call channel Push CH WX CH WX U I C U I C to cancel The channel number stops blinking Channel comments Memory channels can be labeled with alphanumeric com ments of up to 10 characters each Capital letters small letters numerals some symbols and space can be used q Select the desired channel Cancel dualwatch Tri watch or scan in advance w While pu...

Page 16: ...eat step w SC disappears D DProgramming 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 q Turn power OFF w While pushing 9 9 turn power ON to enter Set...

Page 17: ...tch push CH WX CH WX U I C U I C again DW DW Example Operating Tri watch on INT Channel 25 DUALWATCH TRI WATCH SIMULATION If a signal is received on Channel 16 Dualwatch Tri watch pauses on Channel 16 until the signal disappears If a signal is received on call channel during Tri watch Tri watch becomes Dualwatch until the signal disappears To transmit on the selected channel during Dualwatch Tri w...

Page 18: ...on use Choose Priority or Normal scan in Set mode p 39 NORMAL SCAN Normal scan like Priority scan searches through all tag channels in sequence However unlike Priority scan Channel 16 is not checked unless Channel 16 is set as a tag channel CH 01 CH 02 CH 06 CH 05 CH 04 CH 03 PRIORITY SCAN Priority scan searches through all tag channels in se quence while monitoring Channel 16 When a signal is de ...

Page 19: ...ushing HI LO HI LO push SCAN SCAN for 3 sec until a long beep changes to 2 short beeps to clear all tag channels setting in the channel group Repeat above procedure to set all tag channels Starting a scan Set scan type Priority or Normal scan and scan resume timer in advance using Set mode p 39 q Set tag channels as described at left w Make sure the squelch is closed to start a scan e While pushin...

Page 20: ...it the specific MMSI code by rotating CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN to move the cursor forward or back ward respectively t Input the 9 digit codes then push DSC ENT DSC ENT to set the code Returns to the normal operation DSC individual ID A total of 40 DSC address IDs can be programmed and named with up to 10 characters D DProgramming Address ID Group ID q Push DSC ENT DSC ENT to e...

Page 21: ...o the normal operation D DDeleting Address ID Group ID q Push DSC ENT DSC ENT to enter the DSC menu w Rotate CHANNEL CHANNEL to select Set up push DSC ENT DSC ENT e Rotate CHANNEL CHANNEL to select Delete ID push DSC ENT DSC ENT When no address ID is programmed the transceiver exits the DSC menu automatically r Rotate CHANNEL CHANNEL to select the desired ID name for deleting t The delete confirma...

Page 22: ...ly After editing latitude data select N North latitude or S South latitude Push HI LO HI LO to clear the position data r Edit the digit of your longitude data by using CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN for cursor movement After editing longitude data select E East longitude or W West longitude Push HI LO HI LO to clear the position data t Push DSC ENT DSC ENT to set the position and ad...

Page 23: ...nual appears instead of the GPS indication when no GPS is connected and the position time data is entered man ually When connecting GPS receiver is compatible several sentence formatteres the order of input precedence is RMC GGA GNS and GLL When sentence formatter RMC is received time indi cation includes a date and UTC time only may blink instead of position and time indications when the GPS data...

Page 24: ...g the call the transceiver waits for an ac knowledgment call on Ch 70 The Distress call is automatically transmitted every 3 5 to 4 5 minutes r After receiving the acknowledgment reply using the mi crophone A distress alert contains default Kind of distress Undesignated distress Position data GPS or manual input position data held for 23 5 hrs or until the power is turned OFF The Distress call is ...

Page 25: ... next steps r t Current position time program ming do not appear Go to step y next page Sel Nature Explosion Undesign Flooding Sel Item POS Report RCV Calls DTRS Set 6 r The position information appears Set the current posi tion push DSC ENT DSC ENT Edit the digit of your position data by using CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN for cursor movement After editing latitude data select N N...

Page 26: ...ature of the distress Position data GPS or manual input 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 re ceiving an acknowledgement Push DISTRESS DISTRESS to transmit a renewed Distress call if required Push any key except DISTRESS DISTRESS to cancel the Call repeat mode may blink instead of position and time indications when...

Page 27: ...he individual you wish to call by using CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN for cursor movement After 9 digit is input push DSC ENT DSC ENT to set the ID code r Rotate CHANNEL CHANNEL to select a desired intership channel or Manual Input push DSC ENT DSC ENT When Manual Input is selected rotate CHANNEL CHANNEL to select the desired channel other than Channel 70 push DSC ENT DSC ENT t Pus...

Page 28: ...idual acknowledgement Transmit an acknowledgement able to comply or unable to comply when an Individual call for you is received q Push DSC ENT DSC ENT to enter the DSC menu w Rotate CHANNEL CHANNEL to select INDV ACK push DSC ENT DSC ENT INDV ACK item appears after an Individual call is received e Rotate CHANNEL CHANNEL to select the desired individual ad dress or ID code push DSC ENT DSC ENT Sel...

Page 29: ...ation Sta tion Barred No operator Operator Unavailable Equipment Disable Channel Unable and Mode Unable are available y Push DSC ENT DSC ENT to transmit the acknowledgement to the selected station u After the Individual acknowledgement has been transmit ted the display changes to the channel specified by the calling station automatically INDV ACK Completed To Call To Cancel other DSC ENT Sel Reaso...

Page 30: ... After 9 digit is input push DSC ENT DSC ENT to set the ID code r Rotate CHANNEL CHANNEL to select a desired intership channel or Manual Input push DSC ENT DSC ENT When Manual Input is selected rotate CHANNEL CHANNEL to se lect the desired channel other than Channel 70 push DSC ENT DSC ENT t Push DSC ENT DSC ENT to transmit the Group call If Channel 70 is busy the transceiver stands by until the c...

Page 31: ...L to select All Ships push DSC ENT DSC ENT e Push DSC ENT DSC ENT to transmit the All Ships call Channel 70 is selected and the All Ships call is transmitted Routine category only is available r After the All Ships call has been transmitted the display changes to Channel 16 automatically t Push any key to exit the condition and the display returns to the normal operation All Ships Completed To Cal...

Page 32: ...e set in advance p 14 When Manual Input is selected set the 9 digit ID code 1st digit must not be 0 for the individual you wish to call by using CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN for cursor movement After 9 digit is input push DSC ENT DSC ENT to set the ID code r Push DSC ENT DSC ENT to transmit the Position Request call t After the Position Request call has been transmitted the follow...

Page 33: ...ENT to set the ID code When a GPS receiver NMEA0183 ver 2 0 or 3 01 is con nected next steps r t Current position time program ming do not appear Go to step y next page Sel Address Ricky Manual Set Tom Sel Item All ships POS Request POS Report r The position information appears Set the current posi tion push DSC ENT DSC ENT Edit the digit of your position data by using CHANNEL CHANNEL Push CH WX C...

Page 34: ...the following in dication is displayed w Push DSC ENT DSC ENT to reply to the Position Request call push other key to ignore the Position Request call D DTransmitting Position Report Reply call Transmit a Position Report Reply call when a Position Report call is received q When a Position Report call is received the following in dication is displayed w Push DSC ENT DSC ENT to reply to the Position...

Page 35: ... selected D DReceiving an Individual call While monitoring Channel 70 and an Individual call is re ceived The emergency alarm or beeps sound depending on the received category Received Individual appears in the display Push DSC ENT DSC ENT to change to the channel specified by the calling station for voice communication push other key to ignore the Individual call D DReceiving a Group call While m...

Page 36: ...mpleted D DReceiving a Distress Relay acknowledgement While monitoring Channel 70 and a Distress Relay acknowl edgement is received Emergency alarm sounds for 2 minutes Push any key to stop the alarm Received DTRS RLY ACK appears in the display then Channel 16 is automatically selected D DReceiving a Geographical Area call While monitoring Channel 70 and a Geographical Area call for the area you a...

Page 37: ...d Received POS appears in the display D DReceiving a Position Report call While monitoring Channel 70 and a Position Report call is re ceived Received POS Report appears in the display Push DSC ENT DSC ENT to reply to the call push other key to ig nore the Position Report call D DReceiving a Position Report Reply call While monitoring Channel 70 and a Position Report Reply call is received Receive...

Page 38: ... DSC ENT w Rotate CHANNEL CHANNEL to scroll to the desired message push DSC ENT DSC ENT When some messages are blinking the messages have not been read e Rotate CHANNEL CHANNEL to scroll the message r Push DSC ENT DSC ENT to exit the DSC menu or push HI LO HI LO to clear the displayed message and returns to the normal operation To Clear This Data No DSC ENT Yes H L Distress 123123123 Explosion UTC...

Page 39: ...otate CHANNEL CHANNEL to scroll the message The stored message has various information and depending on the type of distress calls r Push DSC ENT DSC ENT to exit the DSC menu or push HI LO HI LO to clear the displayed message and returns to the normal operation To Clear This Data No DSC ENT Yes H L All Ships Tom Routine F3E Simplex CH08 To Clear This Data No DSC ENT Yes H L Sel Messege All Ships P...

Page 40: ...UTC Universal Time Coordi nated time Edit the digit of offset time by using CHANNEL CHANNEL Push CH WX CH WX or SCAN SCAN for cursor movement Push DSC ENT DSC ENT to set the offset time Rotate CHANNEL CHANNEL to edit or delete when the cursor is on the first digit t Push DSC ENT DSC ENT to program and to exit the DSC menu The local time indication is not available when a GPS re ceiver sentence for...

Page 41: ...ENT to enter the DSC menu w Rotate CHANNEL CHANNEL to select Set up push DSC ENT DSC ENT e Rotate CHANNEL CHANNEL to select MMSI Check push DSC ENT DSC ENT r Check the 9 digit MMSI DSC self ID code t Push DSC ENT DSC ENT to exit the DSC menu MMSI Check 123456789 Set up Delete ID Offset Time MMSI Check Sel Item RCV Calls DTRS Set Set up ...

Page 42: ...y To adjust the IC M502A s speaker output level rotate VOL VOL To adjust the HM 127 s speaker output level push after VOL VOL pushing Y Y Y Y Z Z Z Z r After releasing the PTT switch you can hear the response through the speaker t To return to the normal operation push LO DX LO DX SCR SCR momentarily Other keys also turn the function OFF however the correspond ing function is then activated e g pu...

Page 43: ...on access While pushing 16 9 16 9 on supplied microphone turn power ON to toggle the Lock function ON or OFF Display backlighting The function display and keys can be backlit for better visibil ity under low light conditions While pushing HI LO HI LO rotate CHANNEL CHANNEL to adjust the brightness of the LCD and key backlight The backlight level is adjustable in 7 levels No backlight level indicat...

Page 44: ... or Priority scan re sume timer weather alert Dualwatch Tri watch selection DSC watch transceiver s beep tone transceiver or HM 127 internal speaker LCD contrast transceiver or HM 127 RF attenuation level scrambler code scrambler type and auto matic acknowledgement Available functions may differ depending on dealer set ting The optional HM 127 has it s own settings for the beep tone and LCD contra...

Page 45: ...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 tone then blinks the WX ALT indicator and sounds beep tones until the transceiver is operated The previously selected used weather channel is checked any time during standby or while scanning WX ALT appears instead of WEATHER ind...

Page 46: ...turning beep tones ON The optional HM 127 has its own setting for the beep tone D DInternal speaker When an external speaker is connected and the transceiver s internal speaker is not required the speaker on the trans ceiver 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 SP OFF LOCAL and CALL D ...

Page 47: ...t is installed When an optional scrambler unit is installed the scrambler type can be selected in Set mode depending on dealer set ting D DAutomatic acknowledgement This item sets the Automatic acknowledgement function ON or OFF When Position Request or Position Report call is received transceiver automatically transmits Position Reply or Position Report Reply respectively Set Mode AUTO ACK Auto A...

Page 48: ...rmance of any communication sys tem is an 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...

Page 49: ...T White JACKS Connects to a GPS receiver for position and time indica tions An NMEA0183 ver 2 0 or 3 01 sentence formatters RMC GGA GNS GLL compatible GPS receiver is required Ask your dealer about suitable GPS receivers Connects to a PC or navigation equipment NMEA0183 ver 3 01 sentence formatters DSC DSE compatible for plotting received other ships position data t EXTERNAL SPEAKER JACK Connects ...

Page 50: ...ore 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 These screws are shown as mounting...

Page 51: ...he transceiver w Slide the transceiver through the hole as shown below e Attach the 2 supplied bolts M5 8 mm on either side of the IC M502A r Attach the clamps on either side of the IC M502A Make sure that the clamps align parallel to the IC M502A s body t Tighten the end bolts on the clamps rotate clockwise so that the clamps press firmly against the inside of the in strument control panel y Tigh...

Page 52: ...ve the 4 screws from the shielding plate then lift up the shielding plate e Plug an optional unit UT 98 or UT 112 to J3 on the MAIN unit as shown below r Return the shielding plate and assemble the units to their original positions CAUTION When re assembling the case and tightening the screws you must keep the specified torque 0 7 0 1 N m Oth erwise the transceiver may be damaged torque too high o...

Page 53: ...47 9 CONNECTIONS AND MAINTENANCE Dimensions 145 0 5 23 32 165 0 6 1 2 31 4 1 1 4 53 0 2 3 32 Unit mm inch 110 0 4 11 32 109 4 4 5 16 9 ...

Page 54: ...r low power or re ceive only The output power is set to low Change channels Push HI LO to select high power pgs 6 49 p 8 Scan does not start TAG channel is not prog rammed Set the desired channels as TAG chan nels p 13 No beep sounds Beep tone is turned OFF The squelch is open Turn the beep tone ON in Set mode Set squelch to the threshold point p 40 p 8 Receive signal cannot be understood Optional...

Page 55: ...equency MHz 66A USA CAN Transmit Receive 64A 64A 156 225 156 225 65A 65A 156 275 156 275 156 325 160 925 67 67 156 375 156 375 68 68 156 425 156 425 69 69 156 475 156 475 70 70 156 525 156 525 71 71 156 575 156 575 72 72 156 625 156 625 73 73 156 675 156 675 74 74 156 725 156 725 77 77 156 875 156 875 156 925 161 525 78A 78A 156 925 156 925 156 975 161 575 79A 79A 156 975 156 975 157 025 161 625 8...

Page 56: ... 45 16 D in Weight approx 1130 g 2 lb 8 oz D DTransmitter Output power 25 W 1 W Modulation system Variable reactance phase modulation Max frequency deviation 5 0 kHz Spurious emissions 70 dBc D DReceiver Receive system Double conversion superheterodyne Sensitivity 12 dB SINAD 0 22 µV typical Squelch sensitivity 0 22 µV typical Intermodulation rejection ratio More than 75 dB Spurious response More ...

Page 57: ...T pgs 10 41 Ensures private communications 128 for UT 98 or 32 for UT 112 codes are available Not available in some countries HM 127 REMOTE CONTROL MICROPHONE p 52 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 ...

Page 58: ...pgs 8 57 Push either key to adjust the brightness of the LCD and key backlight after VOL VOL is pushed for 1 sec p 58 In Set mode changes setting of the selected item pgs 38 62 Checks tag channels or changes scanning direction dur ing scan pgs 13 61 e CHANNEL 16 CALL CHANNEL KEY 9 9 Selects Channel 16 when pushed pgs 6 56 Selects call channel when pushed for 1 sec pgs 6 56 CALL appears when call c...

Page 59: ...rcom mode pgs 36 63 While pushing H L H L activates an optional Voice scram bler function pgs 10 60 The optional Voice scrambler function cannot be used on Channel 16 and 70 y SQUELCH MONITOR LOCK KEY SQL SQL L L Y Y Y Y Z Z Z Z sets the squelch threshold level after pushing SQL SQL p 57 Push SQL SQL L L for 1 sec to turn the monitor func tion ON p 59 While pushing H L H L push SQL SQL L L to togg...

Page 60: ...ls are set to low power only While pushing this key other keys perform secondary functions Toggles the All key lock function ON or OFF when pushed while turning power ON p 58 T blinks while the All key lock function is in use Only PWR PWR and PTT PTT function when the All key lock func tion is in use Function display q CHANNEL GROUP INDICATOR pgs 7 56 Indicates whether an International INT U S A U...

Page 61: ...tivated o SCAN INDICATOR pgs 13 61 SCAN appears during Normal scan P SCAN appears during Priority scan 0 PRIORITY CHANNEL INDICATOR Indicates a priority channel during Priority scan or Dual Tri watch pgs 11 13 60 61 IC appears during Intercom mode pgs 36 63 1 DUAL TRI WATCH INDICATOR pgs 11 60 DUAL appears during Dualwatch TRI during Tri watch 2 WEATHER CHANNEL INDICATOR pgs 7 56 WX appears when a...

Page 62: ...q Push CH WX CH WX once or twice to select the weather channel group w Push Y Y Y Y or Z Z Z Z to select a weather channel e Push CH WX CH WX to return to the condition before selecting the weather channel group D DU S A International and Canadian channels q Push CH WX CH WX U I C U I C to select a regular channel Push CH WX CH WX U I C U I C again if a weather channel appears w While pushing H L ...

Page 63: ...s selected Choose low power for short range communications choose high power for longer distance communications Some channels are for selecting low power only t Push and hold PTT PTT to transmit then speak into the mi crophone appears Channel 70 cannot be used for transmission other than DSC Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in U S A waters y...

Page 64: ...on ON or OFF blinks Only PWR PWR and PTT PTT are functional Display backlighting The function display and keys can be backlit for better visibil ity under low light conditions The backlighting condition can also be adjusted independently from the transceiver q Push VOL VOL for 1 sec to enter Backlight adjusting mode with the number of the backlight level appears in the channel comment indicator w ...

Page 65: ...annel of the selected chan nel group CALL and call channel number ap pear e Push 9 9 again for 3 sec until a long beep changes to 2 short beeps to enter call channel pro gramming condition The channel number and channel group to be programmed blinks r Push Y Y Y Y Z Z Z Z to select the desired channel t Push 9 9 to program the dis played channel as call channel The channel number and channel group...

Page 66: ... same scram bler unit The scrambler code is programmed in Set mode See pgs 10 41 for details Dualwatch Tri watch operation q Push Y Y Y Y Z Z Z Z to select the desired channel Push CH WX CH WX U I C U I C several times while pushing H L H L to select the channel group USA INT CAN if desired w Push CH WX CH WX U I C U I C for 1 sec to start Dualwatch or Tri watch DUAL appears during Dual watch TRI ...

Page 67: ... Y Y Y Z Z Z Z to check the scanning tag channels to change the scanning direction or resume the scan manually e To stop the scan push SCAN SCAN SCAN disappears Pushing PTT PTT 9 9 or CH WX CH WX also stops the scan Setting tag channels q While pushing H L H L push CH WX CH WX U I C U I C several times to select the channel group USA INT CAN if de sired w Push Y Y Y Y Z Z Z Z to select the desired...

Page 68: ... In this section instructions are for the microphone s own func tions only Refer to pgs 38 41 for the setting of the other functions Some functions cannot be selected from the HM 127 D DEntering Set mode q Turn power OFF w While pushing 9 9 turn power ON After a beep emission a Set mode item in the channel comment in dicator and the condition in the channel number readout is displayed e Push 9 9 t...

Page 69: ...m beep function Push LO DX LO DX SCR SCR for more than 1 sec Emits the Intercom beep while holding Channel comments q Push Y Y Y Y Z Z Z Z to select a channel to program a channel comment Push CH WX CH WX U I C U I C several times while pushing H L H L to select the channel group USA INT CAN if desired w While pushing H L H L push 9 9 The 1st character of the currently programmed comment blinks e ...

Page 70: ...127 REMOTE CONTROL MICROPHONE HM 127 supplied accessories Accessories included with the HM 127 Qty q Connection cable OPC 1000 6 m 20 ft 1 w Mounting base 1 e Microphone hanger 1 r Screws M3 16 tapping 5 q w e r ...

Page 71: ...onnecting between transceiver and the connection cable is available and up to 2 OPC 999 can be added q Insert the supplied cable into the external microphone jack and tighten the cable nut as shown below w To use the supplied cable as a wall socket follow the below steps e Using the mounting base carefully mark off the 2 spots where the cable and screws will be fastened r Drill holes at these mark...

Page 72: ...66 13 HM 127 REMOTE CONTROL MICROPHONE 50 d mm 1 31 32 23 d mm 29 32 24 to 27 d mm 15 16 to 1 1 16 5 mm 3 16 Gasket Mounting base Cap Nut 2 mm 3 32 ...

Page 73: ...TEMPLATE 149 mm 57 8 in 165 mm 61 2 in 92 mm 3 5 8 in 110 mm 4 11 32 in 4 R11 24 to 27 d mm 15 16 to 11 16 in 2 mm 3 32 in MB 75 HM 127 Cut here ...

Page 74: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6301H 1EX Printed in Japan 2003 Icom Inc ...

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