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Past tracks,
Predictor ship,
Events & Positions,
ARPA targets,
Reference targets
and Radaroverlay
are non-chart
information. All the
selected items are
shown on top of
chart data.
Past Tracks
•
Ship System, if selected as Std or Other, own ship past track is displayed based on the position used by the
system
•
Ship Primary, if selected as Std or Other, own ship past track is displayed based on the primary position
sensor
•
Ship Secondary, if selected as Std or Other, own ship past track is displayed based on the secondary position
sensor.
•
ARPA targets, if selected as Std or Other, ARPA target past tracks are displayed.
Predictor ship, if selected as Std or Other, predicted own ship position is displayed.
Note: The Predictor is visible only, if the own ship true scale symbol is also displayed.
Events and Positions, if selected as Std or Other, Events and Positions are displayed.
Note MOB event is always visible.
ARPA targets, if selected as Std or Other, ARPA targets are displayed.
Radaroverlay, if selected as Std or Other, Radar Echo Overlay is displayed.
Note! Radar overlay has its own mode control. Radar echo overlay can be visible only if the selected mode
something else than ECDIS ONLY. For more information about radar echo overlay, see chapter "Radar Echo
Overlay".
Ship true symbol scale limit, own ship is displayed as true scale symbol, if the displayed chart scale is larger than
selected limit scale here and if the size of the true scale symbol is longer than 6 mm on the chart display.
124 • • • • Vector Chart material
"TRACKING" sheet
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