Instruction manual

Simrad AP26 and AP27 Autopilots
124 20221586F
Init NAV
Sets a firm or soft approach to the track line when entering the
NAV mode at the first leg. The approach angle is dependant
(adaptive) on the distance (XTE) from the track line and the boat
speed.
Select firm or soft approach to
the track line by rotating the
course knob.
Range: Soft - Firm
Default: Soft
NAV change limit
In NAV mode, when the
required course change at the
approaching waypoint is bigger
than the set limit, you are prompt
to verify that the upcoming
course change is acceptable. The
limit can be set to 10°, 20° or
30°.
Default: 10°
Rudder play compensation
(Only applicable when configured for Virtual feedback)
Notes!
1. To obtain the best possible steering performance the said
procedures must be performed in the following order:
- Perform an autotune at 6-8 knots in calm sea.
- If necessary fine tune the Counter Rudder parameter (see
page
127) at cruising speed (LO value) and at slow speed
(HI value)
- Use the response control to obtain the best possible course
keeping (page
59).
2. If the autopilot performance is found satisfactory when the
above has been completed, skip the following rudder play
compensation procedure. The rudder play compensation
procedure is only necessary if the steering gear is sloppy.
Using this procedure when not required may interfere with