Icom IC-7800 Instruction Manual - Page 172
Maintenance,
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MAINTENANCE Section 13 I Troubleshooting 13-2 D Transceiver power 13-2 D Transmit and receive 13-2 D Scanning 13-3 D Display 13-3 I Main dial brake adjustment 13-3 I Voice synthesizer operation 13-3 I SWR reading 13-4 I Screen type and font selections 13-4 I Frequency calibration (approximate 13-5 I Opening the transceiver's case 13-6 I Clock backup battery replacement 13-6 I Fuse replacement 13-7 I Resetting the CPU 13-7 I About protection indications 13-8 I Screen Saver Function 13-8 13-1
13-1
MAINTENANCE
Section
13
■
Troubleshooting
……………………………………………………… 13-2
D
Transceiver power ………………………………………………… 13-2
D
Transmit and receive ……………………………………………… 13-2
D
Scanning
…………………………………………………………… 13-3
D
Display ……………………………………………………………… 13-3
■
Main dial brake adjustment
………………………………………… 13-3
■
Voice synthesizer operation
………………………………………… 13-3
■
SWR reading …………………………………………………………… 13-4
■
Screen type and font selections
…………………………………… 13-4
■
Frequency calibration (approximate)
……………………………… 13-5
■
Opening the transceiver’s case ……………………………………… 13-6
■
Clock backup battery replacement
………………………………… 13-6
■
Fuse replacement
…………………………………………………… 13-7
■
Resetting the CPU …………………………………………………… 13-7
■
About protection indications ………………………………………… 13-8
■
Screen Saver Function
……………………………………………… 13-8