Simrad GC80/85 Dual Gyro Compass
vi 20221537 / D
Speed........................................................................ 21
3.6 Pendulum function ............................................................ 24
3.7 Selecting active compass ................................................... 25
3.8 Alarm messages ............................................................... 26
Alarm messages on the compass control panels............... 26
Alarm messages on the change over panel...................... 27
Acknowledging an alarm .............................................. 27
4 MAINTENANCE ................................................................29
4.1 General........................................................................... 30
4.2 Precautions...................................................................... 30
4.3 Cleaning the operator panels and the cabinet surface ............ 30
4.4 Checking the connectors.................................................... 30
4.5 Checking mechanical installation......................................... 30
4.6 Preventive maintenance intervals........................................ 31
4.7 Replacing the Sensitive element ......................................... 31
Mechanical installation ................................................. 31
Verifying the element’s tilt angle ................................... 35
Parameter updates ...................................................... 36
Balancing the Horizontal ring ........................................ 37
4.8 Replacing the Fuses .......................................................... 38
Master Compass.......................................................... 38
Dual Control unit......................................................... 39
5 INSTALLATION................................................................
41
5.1 Unpacking and handling .................................................... 42
5.2 Mechanical installation ...................................................... 42
Control unit ................................................................ 43
Master compass .......................................................... 45
5.3 Cabling ........................................................................... 46
Power supply .............................................................. 47
5.4 Grounding the units .......................................................... 48
5.5 Dip-switch and jumper settings .......................................... 48
Activating the control unit for GC80 or GC85 system ........ 48
Activating an external heading sensor ............................ 50
Activating the pendulum function .................................. 53
5.6 Installing the Sensitive elements ........................................ 54
Verifying the element’s tilt angle ................................... 56
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