110 ST7001+ Autopilot Control Unit - Owner’s Handbook
Appendix
Off course warning angle
This screen determines the angle used by the OFF COURSE warning
(see page 10). The
OFF COURSE warning operates if the pilot strays off
course by more than the specified angle for more than 20 seconds.
AutoTrim
The AutoTrim setting determines the rate at which the autopilot
applies ‘standing helm’ to correct for trim changes caused by varying
wind loads on the sails or superstructure.You should set the default
AutoTrim after commissioning the autopilot (see page 73).
Power steer
If you have a joystick connected to your Type 100/300 autopilot
system, use power steer to select the required joystick mode of
operation (see table).
Screen text Range
OFF COURSE 15° to 40° in 1° steps
Setting Effect
AUTO TRIM OFF No trim correction
AUTO TRIM 1 Slow trim correction
AUTO TRIM 2 Medium trim correction
AUTO TRIM 3 Rapid trim correction (default)
AUTO TRIM 4 Very rapid trim correction
Options
POWER STR OFF Power steer off
POWER STR 1 1 = Proportional power steer
Proportional power steer applies rudder in proportion to
joystick movement – the further the joystick is held over,
the greater the applied rudder.
POWER STR 2 2 = Bang-bang power steer
Bang-bang power steer applies continuous rudder in the
direction of the lever movement – to improve control, the
speed of rudder movement changes with the angle of the
lever. For maximum speed, push the lever hardover. If you
return the lever to the center position, the rudder will
remain in its current position.
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