INSTRUCTION MANUAL
20221511 / D vii
7.3 Input specification ............................................................67
7.4 Output specification ..........................................................68
7.5 Physical Dimensions..........................................................69
GC80 Master Compass.................................................69
GC80 Compact Control Unit ..........................................69
GC80 Power Supply unit (option)...................................69
7.6 Power .............................................................................69
GC80/85 Master Compass ............................................69
GC80 Compact Control Unit ..........................................70
GC80 Power Supply unit (option)...................................70
7.7 Environmental Specification ...............................................70
GC80/85 Master Compass ............................................70
GC80 Compact Control unit ..........................................70
8 DRAWINGS .....................................................................71
8.1 Drawings included ............................................................72
9 SPARE PART LIST............................................................79
9.1 GC80 Compact Gyro system...............................................80
9.2 GC85 Compact Gyro system...............................................80
9.3 GC80/GC85 Optional equipment .........................................81
10 TERMINAL LAYOUT .........................................................83
10.1 ITERM board....................................................................84
TB1...........................................................................84
TB2...........................................................................85
TB3...........................................................................86
10.2 IOPT board......................................................................87
TB3...........................................................................87
TB4...........................................................................87
11 DIP SWITCH SETTINGS...................................................89
11.1 Compact control unit.........................................................90
ICIF board..................................................................91
IOPT board.................................................................94
ITERM board...............................................................96
12 ALARM MESSAGES AND CORRECTIVE ACTIONS...............97
12.1 The alarm system.............................................................98