12-1
MAINTENANCE
Section
12
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Troubleshooting ……………………………………………………… 12-2
D
Receiver power …………………………………………………… 12-2
D
Receiving …………………………………………………………… 12-2
D
Scanning …………………………………………………………… 12-3
D
Display ……………………………………………………………… 12-3
D
Voice recorder ……………………………………………………… 12-3
D
Format memory media …………………………………………… 12-3
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Screen type selection ………………………………………………… 12-4
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Main dial brake adjustment ………………………………………… 12-4
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Frequency calibration (approximate) ……………………………… 12-5
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Opening the receiver’s case ………………………………………… 12-6
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Opening the shield case ……………………………………………… 12-6
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UT-122 installation …………………………………………………… 12-7
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Clock backup battery replacement ………………………………… 12-7
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Fuse replacement …………………………………………………… 12-8
D
AC power input fuse ……………………………………………… 12-8
D
DC output fuse ……………………………………………………… 12-8
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Resetting the CPU …………………………………………………… 12-9
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Screen Saver Function ……………………………………………… 12-9