Lowrance HDS Gen3 Operator's Manual page 114

114
The arrival circle (1) 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 when creating the route.
Y axis = Arrival circle, radius in 1/100 Nm
Example: With the speed of 20 knots you should use a waypoint
circle with radius 0.09 Nm.
Note:
Ú The distance between any waypoints in a route must
not be smaller than the radius of the waypoint arrival circle.
Start automatic navigating
1.
Start navigating a route, or start navigation to a waypoint or to
the cursor position from the Chart panel or from the Steer panel.
2.
Engage the autopilot in NAV mode when prompted.
Outboard motor autopilot
X axis = Boat speed in knots
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