B&G Zeus2 series, Operator'S Manual

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If you return to NoDrift mode within 60 seconds you can select to continue on previous set
bearing line.
If you do not respond, the dialog disappears and the autopilot goes to NoDrift mode with
current heading as set bearing line.
NAV mode
Warning:
NAV
mode should only be used in open waters.
You can use the autopilot to automatically steer the boat to a specific waypoint location, or
along a pre-defined route. The position information from the GPS is used to change the
course to steer to keep the boat on the track line and to the destination waypoint.
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Note:
To obtain satisfactory navigation steering, the Zeus
2
must have valid position input.
Autosteering must be tested and determined satisfactory prior to entering the NAV mode.
Start automatic navigating
When you start navigating a route or to a waypoint from the chart panel, you are prompted
to set the autopilot to NAV mode. If you reject this request, you can start NAV mode from the
autopilot mode menu.
When NAV mode is initiated, the autopilot automatically keeps the vessel on the leg.
When the vessel reaches the arrival circle for a routepoint, the autopilot gives an audible
warning and displays a dialog with the new course information. If the required course
change to the next waypoint is less than the Navigation change limit, the autopilot
automatically changes the course. If the required course change to next waypoint in a route
is more than the set limit, you are prompted to verify that the upcoming course change is
acceptable.
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Note:
For information about navigation settings, refer to
"Navigation settings"
on page 41.
Waypoint arrival circle
The Arrival radius defines the point at which a turn is initiated when you are navigating a
route.
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.
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Autopilot | Zeus2 Operator Manual