Northrop Grumman Sperry Marine VisionMaster FT, Руководство пользователя

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Radar/Chart Radar User Guide Charts
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Features
The selection of the display mode defines the
behaviour used by the chart engine when
rendering chart data.
VisionMaster FT includes the following four
types of chart display modes:
 Base
 Standard
 Other - includes all Standard and Other
display settings listed in the Custom Display
Settings list
 Custom - enables a customized selection of
display settings to be defined from the
Standard and Other settings lists.
The currently selected chart display mode (i.e.
`Base Chart Display' or `Standard Chart
Display') is shown as a permanent prompt, see
Prompts.
Base
The Base display mode is the minimum chart
content that cannot be removed from the
display. It is not intended to be sufficient for safe
navigation. Base display settings consist of:

Coastline (high water)

Own ship's safety contour, see Safety Checking

Isolated underwater dangers of depths less than the safety contour
which lie within the safe waters defined by the safety contour

Isolated dangers which lie within the safe water defined by the safety
contour such as fixed structures, overhead wires, etc.

Chart scale boundaries

Scale, range and north arrow

Units of depth and height

Display mode