
Simrad GC80/GC85 Compact Gyro Compass
vi 20221511 / C
Balancing the Horizontal ring ........................................ 29
4.8 Replacing the Fuses .......................................................... 30
Master Compass.......................................................... 30
Compact Control unit ................................................... 30
Power Supply Unit (Option) .......................................... 32
5 INSTALLATION................................................................33
5.1 Unpacking and handling .................................................... 34
5.2 Mechanical installation ...................................................... 34
Control unit ................................................................ 35
Power supply unit (Option) ........................................... 37
Master compass .......................................................... 38
5.3 Cabling ........................................................................... 39
5.4 Grounding the units .......................................................... 40
5.5 Dip-switch settings ........................................................... 40
Configuring the Control unit.......................................... 41
Activating an external heading sensor ............................ 42
Activating the pendulum function .................................. 42
5.6 Installing the Sensitive element .......................................... 43
Verifying the element’s tilt angle ................................... 45
5.7 System start-up and software configuration ......................... 47
System Start-up ......................................................... 47
Configuring the gyro system ......................................... 48
Setting the Latitude input system .................................. 50
Setting the Speed input system..................................... 51
5.8 Balancing the Horizontal ring.............................................. 52
Adjusting True heading ................................................ 52
6 ADVANCED SETTINGS .....................................................55
6.1 General........................................................................... 56
6.2 Using the Extension menu ................................................. 56
6.3 The Extension menu overview ............................................ 57
7 TECHNICAL SPECIFICATION ...........................................63
7.1 Accuracy ......................................................................... 64
7.2 General specification ......................................................... 64
7.3 Input specification ............................................................ 65
7.4 Output specification .......................................................... 66
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