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Chapter 2: SPX system settings
WindTrim (sail boat only)
WindTrim controls how quickly the SPX system responds to changes in the wind
direction. Higher wind trim settings will result in a system that is more responsive to
wind changes.
Screen Text
WIND TRIM
Response level
This sets the default SPX system response level. The response level controls the
relationship between course keeping accuracy and the amount of helm/drive activity.
You can make temporary changes to response during normal operation, as described
in the Pilot Controller Operating Guide.
Screen Text
RESPONSE
2.4 Dealer calibration
For information on how to access Dealer calibration, see Accessing the Calibration
modes, page 22 .
WARNING: Dealer calibration
Changing the Dealer calibration values can have a significant
affect on the SPX system steering characteristics and therefore
on the safety of your boat.
Some Dealer calibration values are adjusted during the commissioning process (see
Chapter 1: Commissioning & setup ), and once the SPX system has been
commissioned you should not normally need to change Dealer calibration values.
However if you decide you want to change Dealer calibration values, be aware that
many of these have a significant impact on the SPX system operation and can
affect your boat's safety.
Options
Range = 1 to 9
1 to 3 - Least responsive to wind changes (less system activity)
4 to 6 - Moderate response to wind changes
7 to 9 - Most responsive to wind changes (more system activity)
Options
Range = 1 to 9
Levels1 to 3 minimize the amount of pilot activity. This conserves
power, but may compromise short-term course-keeping accuracy
Levels 4 to 6 should give good course keeping with crisp, well con-
trolled turns under normal operating conditions
Levels7 to 9 give the tightest course keeping and greatest rudder
activity (and power consumption). This can lead to a rough passage
in open waters as the SPX system may 'fight' the sea.
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