INSTRUCTION MANUAL
20221529 / C v
Contents
1 SYSTEM OVERVIEW...........................................................1
1.1 Introduction.......................................................................2
1.2 Precaution in use................................................................3
1.3 System components............................................................4
1.4 Bearing repeaters ...............................................................4
2 USER INTERFACE ..............................................................5
2.1 GC80 Expanded Control unit ................................................6
3 OPERATION.......................................................................9
3.1 System Start-up and Shut-down......................................... 10
Start-Up .................................................................... 10
Turning the Gyro compass OFF...................................... 11
3.2 Selecting active compass ................................................... 12
3.3 Adjusting dimming level .................................................... 12
3.4 Displaying present settings ................................................ 13
3.5 Confirming present settings ............................................... 15
True bearing............................................................... 15
Latitude ..................................................................... 15
Speed........................................................................ 16
3.6 Pendulum function ............................................................ 18
3.7 Alarm messages ............................................................... 19
Acknowledging an alarm .............................................. 20
4 MAINTENANCE ................................................................21
4.1 General........................................................................... 22
4.2 Precautions...................................................................... 22
4.3 Cleaning the operator panels and the cabinet surface ............ 22
4.4 Checking the connectors.................................................... 22
4.5 Checking mechanical installation......................................... 22
4.6 Preventive maintenance intervals........................................ 23
4.7 Replacing the Sensitive element ......................................... 23
Mechanical installation ................................................. 23
Verifying the element’s tilt angle ................................... 27
Parameter updates ...................................................... 28
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