Simrad GC80/85 Dual Gyro Compass
iv 20221537 / D
This manual is divided in the following sections:
1. System overview
An overview of the GC80/GC85 Dual gyro system and it’s components.
2. User interface
Overview of GC80 Dual Control unit and the user interface.
3. Operation
Main operating procedures for using the GC80/GC85 Dual Gyro compass.
4. Maintenance
Simple maintenance procedures that should be performed by the system operator,
together with a complete procedure for how to replace the sensitive element and fuses.
5. Installation
Mechanical installation, cable connection, and software configuration for the
GC80/GC85 Dual gyro system.
6. Advanced settings
A description of parameters that can be entered or changed in the Extension menu.
7. Technical specifications
Specifications for the system and for all separate units in the GC80/GC85 Dual gyro
system.
8. Drawings
Outline drawings and wiring diagrams for the GC80/GC85 Dual gyro system.
9. Spare part list
List of all standard and optional units that are used in the GC80 and GC85 Dual gyro
systems.
10. Terminal layout
List of all terminal pins and terminal labelling with details on GTERM and DTERM
boards in the GC80 Control unit.
11. Dip switch settings
Drawings and references of jumpers and dip switches for the different printed circuits
boards in the Dual Control unit.
12. Alarm listing
A listing of alarm codes, a short description, and the possible cause for the alarm
message.