4. HOW TO CONTROL CHART OBJECTS
4-5
Highlight Date Dependent: Put a highlight mark on
the chart object which carries a date dependent attri-
bute.
Highlight INFO, Highlight Document: Put a highlight
mark on a chart object that has information or docu-
ment attribute.
Standard page
The [Standard] page contains chart features defined by IMO that comprise a standard
display.
Other page
The [Standard] page contains chart features not contained in IMO standard display.
Text page
Show or hide text information on the chart.
NtoM page
Show or hide the Notice to Mariners data.
Note: To use the “pick report” feature, which provides information for cursor-chosen
chart feature, the associated chart feature must be turned on from the [General],
[Standard], [Other], [Text], or [NtoM] page.
4.2.4 Display base
A subset of chart features is called the “display base”. As required by IMO, these fea-
tures cannot be made invisible. To get the display base, click [STD DISP] on the Sta-
tus bar.
The display base consists of the following chart features:
• Coastline (high water)
• Own ship's safety contour, which is chosen by the user
• Indication of isolated underwater dangers of depths less than the safety contour that
lie within the safe waters defined by the safety contour
• Indication of isolated dangers that lie within the safe water defined by the safety con-
tour such as bridges, overhead wires, etc., and including buoys and beacons wheth-
er or not these are being used as aids to navigation.
• Traffic routine systems
• Scale, range, orientation and display mode
• Units of depth and height
Highlight mark
(date dependent)
Highlight mark
(document)
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