Automatic Tuning - Simrad AP50 Instruction Manual

SEATRIAL
ADJUST
CTS
340
340 . RUDDER
7
02
Gyro1
Next
SEATRIAL
ADJUST
COUNT RUDDER? 1.00
340
340.
RUDDER
7
02
Gyro1
Back
Counter rudder setting too
low = overshoot response
20221032B
While at cruising speed, adjust the Rudder value by turning the
course knob until the autopilot keeps the boat on a steady
course.
Counter Rudder
Press the (STBD) button to display the set course. Make a 90°
course change (CTS) by rotating the course knob and observe
the transition to the new set course.
Press the (STBD) button again to adjust the Counter rudder
value, if necessary, according to the following:
Counter rudder is the parameter that counteracts the effect of
the boat's turn rate and inertia. It is superimposed on the normal
rudder response as provided by the rudder parameter. It may
sometimes appear as if the autopilot tends to make the rudder
move in the opposite direction of the turn (counter rudder).
The figures illustrate the effects of various Counter rudder
settings.
Range: 0.05 to 8.00.
New course
Go back to previous screen by pressing the
make a new 90° course change by rotating the course knob and
observe the transition to the new set course. Press
button again to adjust the Counter rudder value if necessary
Proceed to Speed Response by pressing the
or return to STANDBY mode by pressing the
button.

Automatic tuning

If the boat steers satisfactorily, there is no need to perform the
Automatic tuning.
Automatic tuning is a feature that automatically sets the two
main steering parameters (Rudder and Counter Rudder) by
taking the boat through a number of S-turns.
Software Set-up Procedure
Counter rudder setting too high =
sluggish and creeping response
Correct setting of counter
rudder = ideal response
New course
New course
(PORT) button,
(STBD)
(STBD) button
(STBY)
S TB Y
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