9. Raster Chart Material
9-36
"Standard", "Other 1" and "Other 2" pages
The Standard page contains chart features defined by IMO that comprise a standard display. You can recall the
standard display at any time using a single action, by pressing the STD DSP key on the Control Unit RCU-018 or
displaying Chart Display/Info/Standard Display in the mouse function area and pushing the right mouse button.
The Other 1 and Other 2 pages contain chart features for which you can control visibility and that are not part of
IMO-defined standard display.
Note 1: To use the Info request feature, which provides information for cursor-selected chart feature, the associated
chart feature must be turned on from the Standard page.
Note 2: To navigate between the menus in the Chart Display dialog box, click the appropriate arrow tab with the left
mouse button.
9.14.6 Display base
A subset of chart features is called the Display Base. As required by IMO, these features cannot be made invisible.
The Display Base consists of the following chart features:
• Coastline (high water)
• Own ship's safety contour, which is selected by the operator
• 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 contour such as bridges,
overhead wires, etc., and including buoys and beacons whether or not these are being used as aids to navigation
• Traffic routine systems
• Scale, range, orientation and display mode
• Units of depth and height
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