B&G Vulcan, Руководство оператора

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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 Vulcan
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 55.
Waypoint arrival circle
The Arrival radius defines the point at which a turn is initiated when
you are navigating a route.
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Autopilot | Vulcan Operator Manual