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INSTRUCTION MANUAL

iM45A

VHF MARINE TRANSCEIVER

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Summary of Contents for IC-M45A

Page 1: ...INSTRUCTION MANUAL iM45A VHF MARINE TRANSCEIVER ...

Page 2: ...ons which allow you to monitor the dis tress channel ch 16 while receiving a channel of your choice dual watch or monitor the distress channel and another channel while receiving a channel of your choice tri watch Large easy to read LCD With dimensions of 20 H 60 W mm the IC M45A s function display is easy to read and shows operating con ditions at a glance Backlighting and contrast can be ad just...

Page 3: ...transceiver is transmitting the vessel s battery will soon be come exhausted KEEP the transceiver out of the reach of children KEEP the antenna cable and DC power cable as far away as possible from electrical pumps generators and other elec tronic instruments to prevent instrument malfunctions KEEP the transceiver and microphone at least 1 meter away from your vessel s magnetic navigation compass ...

Page 4: ...Channel selection 5 Receiving 7 Transmitting 8 Scan function 9 Call channel programming 10 Display backlighting 10 TABLE OF CONTENTS 4 SET MODE 11 12 Entering SET mode 11 SET mode items 11 5 CONNECTIONS AND MAINTENANCE 13 16 Unpacking 13 Antenna 13 Fuse replacement 13 Cleaning 13 Connections 14 Mounting the transceiver 15 Dimensions 16 6 TROUBLESHOOTING 17 7 VHF MARINE CHANNEL LIST 18 8 SPECIFICAT...

Page 5: ...dentification for radio purposes 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 near the transceiver or be kept with the operator Only a licensed radio operator may operate a transceiver However non licensed ind...

Page 6: ...g for the displayed channel p 9 e HIGH LOW POWER SWITCH H L DIM Toggles between high and low output powers p 8 While pushing push the UP DN switches to adjust the display backlighting p 10 While pushing push SCAN for 3 sec to clear all tag channels p 9 r CHANNEL SWITCH CH WX DUAL Push to toggle between regular channel mode and weather channel mode p 6 While in regular channel mode push H L CH WX t...

Page 7: ...eys ON OFF HI LO Push for 1 sec to start stop dual tri watch p 7 Use SET mode to select dual or tri watch in advance p 12 t CHANNEL 16 SWITCH 16 9 Push to select channel 16 p 5 Push for 1 sec to select the call channel channel 9 by default p 5 Each group can have it s own call channel pro grammed Push for 3 sec when a call channel is selected to enter call channel write mode p 10 Channel indicatio...

Page 8: ...peration p 7 u SCAN INDICATOR Appears and flashes during scan operation p 9 i DUPLEX INDICATOR Appears when the selected channel is a duplex channel p 6 o CALL CHANNEL INDICATOR Appears when the call channel is selected p 5 0 WEATHER ALERT INDICATOR ALT appears when a weather alert function is turned ON pgs 6 12 1 MODE INDICATORS p 5 6 USA shows that USA channels are selected CAN shows that Canadi...

Page 9: ... 16 is the distress channel It is used for establishing initial contact with another station and for emergency com munications Channel 16 is monitored during dual tri watch While standing by you are required to monitor channel 16 D Call channel The call channel is used to store your most often used chan nel for quick recall In addition the call channel is monitored during tri watch The default set...

Page 10: ...ence USA INT DUP CAN TAG U S A channels Push simultaneously International channels Canadian channels CH WX U H L I C D Weather channels There are 10 weather channels These are used for monitor ing NOAA National Oceanographic and Atmospheric Admin istration weather broadcasts CONVENIENT Weather alert function NOAA broadcast stations transmit a weather alert tone before important weather announcemen...

Page 11: ... of these channels the transceiver stops on the channel until the signal disappears Depending on your preference select dual watch or tri watch in advance in SET mode p 12 Dual watch is the default setting When dual watch is selected in SET mode Push CH WX DUAL for 1 sec to start dual watch When tri watch is selected in SET mode Push CH WX DUAL for 1 sec to start tri watch Push any switch to cance...

Page 12: ...l voice level MOMENTARY HIGH POWER On USA channels 13 15 and 67 transmission using high power is momentarily possible To use high power push and hold H L while transmitting TIME OUT TIMER USA version only The transceiver has a time out timer function to prevent continuous long transmissions Transmit is automatically inhibited after 5 min of continuous transmission CALL PROCEDURES You must identify...

Page 13: ...the selected channel group are released USA TAG Appears when the channel is specified as a tag channel D Scan operation Select the desired channel group USA CAN INT or WX channels with H L CH WX or CH WX only for weather channels When the weather alert function is in use select the desired WX channel in the display then perform the above step Push SCAN to start scanning SCAN appears and flashes in...

Page 14: ...d group CALL and the call channel number appear Push 16 9 for 3 sec to enter call channel write mode Call channel and channel group to be programmed flash Push UP or DN to select the desired channel USA CALL USA TAG CALL USA CALL USA Push any switch to automati cally program the selected channel The transceiver returns to normal operation Display backlighting The function display and switches can ...

Page 15: ...en ON again D To select an item There are 5 items in SET mode that may be adjusted to suit your operating needs Select SET mode as above Push 16 to select an item then push UP DN to set the condition for the item SET mode items Beep tones p 12 Normal priority scan p 12 1 2 Weather alert p 12 Scan timer p 12 Dual tri watch p 12 Select a SET mode item 2 Select a SET mode condition 1 16 U DN P 1 2 1 ...

Page 16: ...efault Scan timer ON Scan pauses on a signal and resumes 5 sec later Scan pauses on a signal until the signal disappears and resumes 3 sec after that Dual watch default Tri watch D BEEP TONES This item sets the transceiver s confirmation beep tones when pushing a switch ON or OFF D NORMAL PRIORITY SCAN This item sets the scan function to normal or priority oper ation See p 9 D DUAL TRI WATCH This ...

Page 17: ...antenna Ask your Dealer about antennas and the best places to mount them Fuse replacement Two fuses are 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 dam aged fuse with a new rated one Fuse rating 10 A Cleaning If the transceiver becomes dusty or dirty wipe it clean with a dry soft clot...

Page 18: ...source w ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connector to the transceiver CAUTION Transmitting without an antenna will damage the transceiver e EXTERNAL SPEAKER JACK Connects to an external speaker See OPTIONS on p 19 for available external speakers r MICROPHONE HANGER Rest the microphone on the hanger when not in use e w q r ...

Page 19: ... screws M5 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 naviga tion compass NOTE Check the installation angle the function display may not be easy to read at some ang...

Page 20: ...16 5 CONNECTIONS AND MAINTENANCE Dimensions 152 mm 6 in 178 mm 7 in 67 mm 2 5 8 in 51 mm 2 in 28 5 mm 1 1 8 in 86 5 mm 3 13 32 in 25 mm 1 in ...

Page 21: ... SQUELCH counterclockwise to a suitable position Check and if necessary replace the feedline or solder the antenna connector again p 7 p 14 Transmitting is impossible or high power cannot be selected Transmission is restricted on some channels Change channels p 18 Desired channel cannot be selected Different channel group is selected Push CH WX H L to select the appropriate channel group U S A INT...

Page 22: ...3 24 25 26 27 28 60 61 62 63 64 20A 157 000 157 000 1 Channel number 66A Frequency MHz 66A 1 USA CAN Transmit Receive 156 275 160 875 65A 65A 156 275 156 275 156 325 160 925 67 2 67 156 375 156 375 68 68 156 425 156 425 69 69 156 475 156 475 70 3 70 3 156 525 156 525 71 71 156 575 156 575 72 72 156 625 156 625 73 73 156 675 156 675 74 74 156 725 156 725 75 75 Guard Guard 76 76 Guard Guard 77 1 77 ...

Page 23: ...nce frequency modulation Max frequency deviation 5 kHz Spurious emissions Less than 70 dB Microphone impedance 600 Ω Receiver Receive system Double conversion superheterodyne Intermediate frequencies 1st 21 7 MHz 2nd 450 kHz Sensitivity 0 3 µV at 12 dB SINAD typ Intermodulation rejection Typical 70 dB Adjacent channel selectivity Typical 70 dB Spurious response rejection ratio Typical 70 dB Audio ...

Page 24: ...Count on us 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 5581D 1US q Printed in Japan 1999 Icom Inc ...

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