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ST600R Autopilot Control Unit
Operating Sense
The operating sense defines the direction the helm will be applied
when a course change key is pressed or the vessel goes off course.
Check the operating sense as follows:
1. Press AUTO.
2. Press the +10 key. The helm should move to produce a turn to
starboard.
+10
Operating Sense
STDBY
3. If the helm produces a turn to port, reverse the motor connections at
the course computer.
4. If the helm overshoots and has to drive back or starts to hunt back
and forth, you need to increase the Rudder Damping option in
Dealer Setup (see Chapter 5).
Navigation Interface (GPS, Decca, Loran)
If the course computer is interfaced to a navigator, via an NMEA
data port, the interface can be checked by displaying the Data Pages.
Press to display the first chapter heading. After 2 seconds, the
first data page in this chapter is displayed. Press to check each
successive page.
If dashes are displayed instead of data values, the cause could be one
or more of the following:
• A cabling error. Check for an open circuit, short circuit or reversed
wires.
• The navigator is not configured to transmit the required data format.
• The signals being received by the navigator are too weak for reliable
navigation. Refer to the navigator handbook for further action.
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