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Software Set-up Procedure
20221032B 141
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
02
340
.
7
Gyro1
340
SEATRIAL
RUDDER
Next
CTS
ADJUST
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:
02
340.7
Gyro1
SEATRIAL
ADJUST
COUNT RUDDER? 1.00
340
RUDDER
Back
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.
Go back to previous screen by pressing the
(PORT) button,
make a new 90° course change by rotating the course knob and
observe the transition to the new set course. Press
(STBD)
button again to adjust the Counter rudder value if necessary
Proceed to Speed Response by pressing the (STBD) button
or return to STANDBY mode by pressing the
STBY
(STBY)
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.
New course
New course
New course
Counter rudder setting too
low = overshoot response
Counter rudder setting too high =
sluggish and creeping response
Correct setting of counter
rudder = ideal response