Set rudder zero, Minimum rudder – Simrad AP25 User Manual

Page 117

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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.