Raster Chart material •
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• 181
Control of visible chart features
When you press CHART DISPLAY pushbutton, you get Chart details window, which have several sheets to control
visible chart features.
CHART DISPLAY
push button. Dialog
box which appears
after pressing chart
display push button.
Echo alarm depth:
User can set alarm limit for echosounder. If depth of water below transducer of the Echosounder is below the limit,
an alarm will be generated.
Speed Vectors:
User can set vector time and presentation type for speed vectors displayed on ECDIS screen. Selected presentation
type for speed vectors is indicated Upper right hand corner of ECDIS screen.
True Vectors = TrueVect
Relative Vectors = RelVect
TM reset margin:
In True motion your own ship moves until it reaches the true motion reset borderline. Then it will jump back to
opposite position on screen based on its course. User can set the limit for TM reset.
Scale:
This function determines the displayed scale of the electronic chart.
Palette:
Enable user to choose appropriate palette for display depending on brightness of the bridge.
Note!
Selections of Shallow contour, Safety depth, Safety contour, Deep Contour, Symbols,
Depths, Boundaries, Light sectors, Shallow pattern and Update highlight in Chart sheet are
used to control only visibility of manual updates
not
ARCS charts. Also STANDARD and
OTHER sheets are used to control only visibility of manual updates of the charts
not
ARCS
charts.
Shallow contour: (valid only for manual updates - not for ARCS)
User can set value of shallow water contour.
Safety depth: (valid only for manual updates- not for ARCS)
User can set the value of safety depth. Spot soundings below the Safety depth are displayed as highlighted.