Northrop Grumman Sperry Marine VisionMaster FT, User Manual

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Charts Radar/Chart Radar User Guide
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Query Options
The Chart Query Options control allows you to set
the following query options:
 Filter - search by geometry type (points,
lines, areas, arcs and/or 3D and cluster
points)
 Area Size - search area as a factor of
scale (small, medium, large)
To include the basic geometry types in chart
queries tick their check box. At least one check
box must be ticked in order to receive query
results.
The Query Area Size control allows you to select
from three different sizes of query region, all three
of which are based on the current selected range scale of the video circle.
The default values for query area size are as follows:
 Small = 10% of the range scale
 Medium = 20% of the range scale
 Large = 30% of the range scale
Chart Query on AIO Data
When the AIO checkbox is ticked in Chart Settings Symbology, AIO objects
that are associated with one or more AVCS ENC chart in the current
display will be rendered when accessed from Chart Query. Chart filtering
modes will not affect the display of AIO objects.
AIO data is provided as temporary notices, preliminary notices or No
Information objects. Details of AIO data may be displayed in either a
secondary window, either as text or pictorial representation.
Displayed AIO data is listed in the Update tab of Chart Legend, providing
detail about the AIO objects that were added and removed during each
weekly update.
To display AIO data objects, do the following:
1. From the Chart Query window select the area on the chart where the
AIO data object resides. Preliminary Notice and Temporary Notice
AIO area objects are rendered with a solid red boundary line and red
dotted pattern fill. No Information AIO area object are rendered with
a solid grey boundary line and a grey dotted pattern fill.
2. When the AIO object is selected in the Results tab of Chart Query
the Show File button becomes enabled.