Chart Settings; Range Rings - Simrad GO XSE Operator's Manual

Chart settings

Settings and display options made in the Chart settings page are
common for all chart panels.
3D boat selection
Determines which icon to use on 3D charts.
Boat settings
The boat settings are used when calculating an automatic route.
The boat's draught, width and height must be input to use the
autorouting and easy routing features.

Range Rings

The range rings can be used to present the distance from your
vessel to other chart objects.
The range scale is set automatically by the system to suit the chart
scale.
Extension lines
A: Heading
B: Course Over Ground (COG)
The lengths of the extension lines are either set as a fixed distance,
or to indicate the distance the vessel moves in the selected time
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Charts | GO XSE Operator Manual