Appendix
20 GHC 10 Owner’s Manual
No rudder position feedback sensor detected The autopilot can't detect a rudder feedback device or valid
rudder position.
• Alarm sounds for 5 seconds
• Drive unit is disabled
• Autopilot transitions to Standby
Rudder position data is invalid. The autopilot loses valid rudder position feedback data. • Alarm sounds for 5 seconds
• Drive unit is disabled
• Autopilot transitions to Standby
Autopilot is not receiving navigation data.
Autopilot placed in heading hold.
The autopilot is no longer receiving valid navigation data
while performing a Route-To.
This message will also be shown if navigation is stopped on a
chartplotter prior to disengaging the autopilot.
• Alarm sounds for 5 seconds
• Autopilot transitions to heading hold
Connection with autopilot lost The GHC lost connection with CCU. N/A
Lost wind data The autopilot is no longer receiving valid wind data. • Alarm sounds for 5 seconds
• Autopilot transitions to heading hold
Low GHC supply voltage The supply voltage level is below the value specied in the
low voltage alarm menu.
N/A
Rudder sensor is not calibrated. The drive unit rudder sensor has not been calibrated.
Calibrate the rudder.
• Alarm sounds for 5 seconds
• Drive unit is disabled
• Autopilot transitions to Standby
Rudder near limit. Center the rudder. The rudder remains near its limit (rudder stop) for more than
5 seconds.
• Sounds alarm
• Continues in normal operation
"Rudder near limit" ashes on the title bar The autopilot has driven the rudder near its limit (rudder stop).
The autopilot cannot drive the rudder further in this direction.
Continues in normal operation
Warning! A gybe has been initiated. Would you
like to continue?
The autopilot has detected that the user has attempted to
initiate a gybe.
• Sounds alarm
• GHC 10 prompts for user input. Selecting
initiates the gybe, and selecting
cancels the gybe.
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