110 ST7001+ Autopilot Control Unit - Owner’s HandbookAppendixOff course warning angleThis screen determines the angle used by the OFF COURSE warning(see page 10). The OFF COURSE warning operates if the pilot strays offcourse by more than the specified angle for more than 20 seconds.AutoTrimThe AutoTrim setting determines the rate at which the autopilotapplies ‘standing helm’ to correct for trim changes caused by varyingwind loads on the sails or superstructure.You should set the defaultAutoTrim after commissioning the autopilot (see page 73).Power steerIf you have a joystick connected to your Type 100/300 autopilotsystem, use power steer to select the required joystick mode ofoperation (see table).Screen text RangeOFF COURSE 15° to 40° in 1° stepsSetting EffectAUTO TRIM OFF No trim correctionAUTO TRIM 1 Slow trim correctionAUTO TRIM 2 Medium trim correctionAUTO TRIM 3 Rapid trim correction (default)AUTO TRIM 4 Very rapid trim correctionOptionsPOWER STR OFF Power steer offPOWER STR 1 1 = Proportional power steerProportional power steer applies rudder in proportion tojoystick movement – the further the joystick is held over,the greater the applied rudder.POWER STR 2 2 = Bang-bang power steerBang-bang power steer applies continuous rudder in thedirection of the lever movement – to improve control, thespeed of rudder movement changes with the angle of thelever. For maximum speed, push the lever hardover. If youreturn the lever to the center position, the rudder willremain in its current position.
