Simrad AP26 and AP27 Autopilots
86 20222147A
Counter Rudder
is the parameter that counteracts the effect of
the boats turn rate and inertia. For a short time period it is
superimposed on the proportional rudder response as provided
by the heading error. It may sometimes appear as if it tends to
make the rudder move to the wrong side (counter rudder).
The best way of checking the value of the Counter Rudder
setting is when making turns. The figures illustrate the effects off
various Counter Rudder settings.
Autotrim
standard value is 40 sec. which should work well on
most boats.
Recall Autotuned?
To recall the parameter values
that were achieved during the
Automatic tuning procedure,
rotate the course knob
clockwise. When parameter
values are recalled, Confirmed
is displayed.
ew course
Counter rudder setting too high,
sluggish and creeping response
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