24 ST4000+ Wheel & Tiller Autopilots: Owner’s Handbook
3 Advanced Operation
Initiating a dodge maneuver
In Wind Vane mode, you can make a dodge maneuver by using the
course change keys (-1, +1, -10 or +10) to select the desired course
change. The autopilot will adjust both the locked heading and locked
apparent wind angle.
Cancelling a dodge maneuver
After you have avoided the hazard, you can reverse the previous
course change, or return to the previous wind angle (LAST WND?).
Wind shift alarm
If the autopilot detects a wind shift of more than 15° it will sound the
wind shift alarm and display the WINDSHIFT alarm message (see
page 9).
• To cancel the alarm and retain the existing wind angle and new
heading:
•press standby and auto together.
• Alternatively, to cancel the alarm and return to the previous
heading, either:
• adjust the locked wind angle using the -1, +1, -10 and
+10 keys
or
•press standby to return to hand steering, steer onto the
required heading, and press standby and auto together to
return to Wind Vane mode with the new apparent wind angle
Using AutoTack in Wind Vane mode
After using the AutoTack function (see page 8) to tack in Wind Vane
mode, you may need to adjust the locked heading until you achieve
the required apparent wind angle.
Note: Before you use the AutoTack function in Wind Vane mode, you
must make sure that the wind vane was centered accurately at
installation.
81131_7.book Page 24 Wednesday, March 17, 2004 3:59 PM
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