7. MAINTENANCE, TROUBLESHOOTING

......................................................7-1

7.1

Preventive Maintenance

....................... 7-1

7.2

Replacement

........................................7-1

 

7.2.1 Replacement of the battery

.......7-1

 

7.2.2 Replacement of the fuse

........... 7-2

 

7.2.3 Replacement of the magnetron

. 7-2

 

7.2.4 Replacement of the synchro belt

7-2

7.3

Trackball Maintenance

......................... 7-3

7.4

Simple Troubleshooting

........................ 7-4

 

7.4.1 General

..................................... 7-4

 

7.4.2 Radar

........................................ 7-4

 

7.4.3 Plotter

....................................... 7-5

 

7.4.4 Sounder

.................................... 7-6

7.5

Diagnostics

........................................ 7-7

 

7.5.1 Memory I/O test

........................ 7-7

 

7.5.2 Test pattern

............................. 7-10

 

7.5.3 Keyboard test of the control unit

7-11

7.6

GPS Status Display

............................ 7-12

7.7

Clearing Memories

............................. 7-13

7.8

Error Messages

..................................... 7-41

APPENDIX

.............................. AP-1

Menu Overview

....................................... AP1-

Geodetic Chart List

............................... AP-10

World Time Chart

.................................. AP-11

Icons

................................................... AP-12

What is WAAS?

.................................... AP-13

SPECIFICATIONS

................... SP-1

INDEX

..................................Index-1

vii

offered by Busse-Yachtshop.de

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Furuno 1933C-BB, FURUNO MARINE RADAR, 1953C-BB, 1943C-BB, 1823C-BB, 1833C-BB manual Vii, MAINTENANCE, Troubleshooting