Simrad AP25 - Manual (Page 117)

Configuration and setup
20221495F
115
Select Seatrial by
pressing the STBD
button and confirm by
rotating the course knob
clock-wise.
Set Rudder zero
(Not applicable when configured for Virtual feedback)
This adjustment should be made in calm sea and side forces from
wind or current should be avoided.
• Bring the boat up to cruising speed, and head directly into the
wind.
• If the boat has twin engines, synchronize the engine RPM's.
• Set the trim tabs and stabilizers to have no effect on the boats
heading.
• Steer the boat manually on a steady course.
• Confirm the rudder ZERO position by rotating the course
knob clockwise.
Press STBD to proceed to next menu item.
Minimum rudder
Some vessels may have a tendency of not responding to small
rudder commands around the “course keeping” position because
of a small rudder, a rudder deadband or whirls/disturbance of the
water-stream passing the rudder.