Icom IC-M423 Instruction Manual page 9

PA (Public Address) function
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Horn function ..............................................................74
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9 MENU SCREEN OPERATION ................................75−82
Menu screen operation
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Menu screen items .....................................................76
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Radio Settings items ..................................................77
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Configuration items ....................................................78
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10 CONNECTIONS AND MAINTENANCE ..................83−89
Connections ...............................................................83
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Antenna ......................................................................85
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Fuse replacement ......................................................85
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Cleaning .....................................................................85
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Supplied accessories .................................................85
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Mounting the transceiver
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MB-132 installation ....................................................87
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Microphone installation
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11 SPECIFICATIONS AND OPTIONS .........................90−91
Specifications .............................................................90
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Options .......................................................................91
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12 CHANNEL LIST .............................................................92
13 TROUBLESHOOTING ...................................................93
14 TEMPLATE ....................................................................94
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