2. Radar Operation
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2.36 Temporary Chart Priority Display Control
The chart radar mode displays both the radar echo and chart symbols, with the radar echo having priority. If the
chart symbols become hidden in the radar picture, do one of the following to give temporary priority to the chart
symbols.
2.36.1 Chart priority
In the chart radar mode, select the Chart Priority box (bottom left-hand corner) and push and hold down the left
mouse button to give priority to the chart symbols (coastline, depth contours, navigation buoys, etc.). Release the
button to restore priority to the radar echo.
2.36.2 Coast line only
In the chart radar mode, select the Coast Line Only box (bottom left-hand corner) and hold down the left mouse
button to temporarily erase chart symbols and show the coastline together with radar echo, which has priority.
Release the button to show the chart symbols.
2.37 Chart Status Box
If, in the ECDIS mode, there is something wrong with a chart, a "permanent message for S57 charts" appears. For
details see section 7.1.3 Permanent messages for S57 charts.
For the chart radar mode, a "permanent message" cannot be displayed automatically. In this mode, when something
is wrong with a chart, the Chart Status box appears. Click the box to show the permanent message in the data
display area.
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