Course gyro
In order to operate correctly, the CS90 requires input from a course gyro. A course gyro is not a part of the CS90 delivery. When a course gyro is connected to the CS90, the vessel’s current heading can be presented in the user interface.
Note
Without the input from a course gyro, the CS90 will not be able to present correct navigational information.
In most cases a suitable course gyro is already installed on the vessel. A global positioning system (GPS) with a compatible output format can also be used.
The course gyro interface requirements are:
•  Serial line: Standard NMEA 0183 datagram formats
•  Ethernet (LAN) line: Standard NMEA 0183 datagram formats