Icom IC-M423 Instruction Manual page 6

TABLE OF CONTENTS (Continued)
Adjusting the volume level
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Adjusting the squelch level
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Adjusting the display backlight level
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AquaQuake water draining function
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5 SCAN OPERATION .................................................16−17
Scan types .................................................................16
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Setting Favorite channels
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Starting a scan ...........................................................17
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6 DUALWATCH/TRI-WATCH ............................................18
Description .................................................................18
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Operation ...................................................................18
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7 DSC OPERATION ...................................................19−65
DSC address ID
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Position and time programming
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Distress call ................................................................23
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Transmitting DSC calls
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Receiving DSC calls
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Received Call log
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Transmitted Call log
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DSC Settings .............................................................60
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Making an Individual call using an AIS transponder
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8 OTHER FUNCTIONS ...............................................66−68
Intercom operation
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RX Speaker function
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v
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PA (Public Address) function
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Horn function
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9 MENU SCREEN OPERATION ................................69−75
Menu screen operation
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Menu screen items
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Radio Settings items
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Configuration items
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10 CONNECTIONS AND MAINTENANCE ..................76−82
Connections
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Antenna ......................................................................78
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Fuse replacement
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Cleaning .....................................................................78
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Supplied accessories
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Mounting the transceiver
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MB-132 installation
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Microphone installation
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11 SPECIFICATIONS AND OPTIONS .........................83−84
Specifications
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Options .......................................................................84
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12 CHANNEL LIST .......................................................85−86
..64
13 TEMPLATE ..............................................................87−88
14 TROUBLESHOOTING ...................................................89
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