40 | Operation
Setting the waypoint arrival circle
For route navigation it is recommended to use automatic
waypoint shift at a set waypoint arrival circle.
The arrival circle should be adjusted according to boat
speed. The higher the speed, the wider the circle. The
intention is to make the autopilot start the heading
change in due time to make a smooth turn onto the next
leg.
The figure below may be used to select the appropriate
waypoint circle on the GPS/chart plotter.
Example: With the speed of 20 knots you should use a
waypoint circle with radius 0.09 nm.
The distance between any waypoints in a route must not
be smaller than the radius of the waypoint arrival circle
when using automatic waypoint shift.
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