If you choose not to engage the autopilot, the autopilot can be set to navigation mode from
the pilot menu later on.
For more information about autopilot functionality, refer to
Navigation settings
Navigation method
Different methods are available for calculating the distance and bearing between any two
points on a chart.
The Great circle route is the shortest path between two points. However, if you are to travel
along such a route, it would be difficult to steer manually as the heading would constantly
be changing (except in the case of due north, south, or along the equator).
Rhumb lines are tracks of constant bearing. It is possible to travel between two locations
using Rhumb line computation, but the distance would usually be greater than if Great circle
is used.
Arrival radius
Sets an invisible circle around the destination waypoint.
The vessel is considered arrived at the waypoint when it is within this radius.
XTE limit
This setting defines how far the vessel can deviate from the selected route, if the vessel goes
beyond this limit, an alarm is activated.
Arrival alarm
When the arrival alarm is enabled, an alarm is activated when the vessel reaches the
waypoint or when it is within the specified arrival radius.
Magnetic variation
Magnetic variation is the difference between true bearings and magnetic bearings, caused
by different locations of the Geographic and the Magnetic north poles. Any local anomalies
such as iron deposits might also affect the magnetic bearings.
When set to Auto, the system automatically converts magnetic north to true north. Select
manual mode if you need to enter your own local magnetic variation.
Datum
Most paper charts are made in the WGS84 format, which also is used by the Zeus
2
.
If your paper charts are in a different format, you can change the datum settings accordingly
to match your paper charts.
Navigating
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Summary of Contents for Zeus2 series
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