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 NSS evo3.
If your paper charts are in a different format, you can change the datum settings accordingly
to match your paper charts.
Coordinate system
Several coordinate systems can be used to control the format for latitude and longitude
coordinates displayed on the chart panel.
Phantom Loran
Enables use of Phantom Loran positioning system.
Loran settings
Defines Loran chains (GRI) and preferred station for waypoint entry, cursor position and
position panel.
The graphic example shows a cursor position window with Loran position information.
For more information refer to your Loran system documentation.
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