1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
A-6301H-1EXPrinted in Japan© 2003 Icom Inc.
Page 1: ...INSTRUCTION MANUAL iM502A VHF MARINE TRANSCEIVER...
Page 2: ...TCM 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...
Page 3: ...ght 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 chang...
Page 4: ...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...
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...
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 t...
Page 7: ...adio 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 Restr...
Page 8: ...ceiver 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...
Page 9: ...nel 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...
Page 10: ...d 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...
Page 11: ...nnel 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 i...
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 c...
Page 13: ...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 Administ...
Page 14: ...AL 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 shor...
Page 15: ...el 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 alphanumeri...
Page 16: ...at 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...
Page 17: ...ch 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...
Page 18: ...n 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 un...
Page 19: ...shing 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 s...
Page 20: ...t 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 c...
Page 21: ...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 Del...
Page 22: ...y 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...
Page 23: ...ual 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...
Page 24: ...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 cro...
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 appear...
Page 26: ...ture 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 acknowledgem...
Page 27: ...e 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 sele...
Page 28: ...dual 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...
Page 29: ...tion 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 Af...
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...
Page 31: ...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...
Page 32: ...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...
Page 33: ...NT 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...
Page 34: ...he 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 Transmi...
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 appea...
Page 36: ...pleted 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 R...
Page 37: ...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...
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...
Page 39: ...tate 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 cle...
Page 40: ...TC 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...
Page 41: ...NT 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 P...
Page 42: ...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 r...
Page 43: ...n 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 und...
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 le...
Page 45: ...OAA 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 in...
Page 46: ...urning 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 spea...
Page 47: ...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 acknowl...
Page 48: ...mance 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 o...
Page 49: ...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 sui...
Page 50: ...re 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 microphon...
Page 51: ...e 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...
Page 52: ...e 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 uni...
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: ...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 T...
Page 55: ...quency 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 15...
Page 56: ...H 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 DRece...
Page 57: ...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 P...
Page 58: ...gs 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 c...
Page 59: ...com 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...
Page 60: ...s 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...
Page 61: ...ivated 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 p...
Page 62: ...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 cha...
Page 63: ...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 s...
Page 64: ...n 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 conditio...
Page 65: ...nnel 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...
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...
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...
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 mo...
Page 69: ...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...
Page 70: ...27 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...
Page 71: ...nnecting 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 bel...
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...