Radar/Chart Radar User Guide
Targets
65900010 10-35
Filter Settings
Filter Settings enables different types of AIS targets and AIS Nav symbols
to be displayed (ticked) or not displayed (unticked).
The system prioritises AIS targets into class A and class B vessels. The
distinction is made based on the type of message received via the AIS
transponder
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installed on the originating vessel. For a description of Class
A and Class B targets see `
Classes and
Types of AIS
’.
Class A
- only class A targets are displayed (default setting).
Class B
- only class B targets are displayed.
Filter settings will only remove sleeping targets from the screen. Selected
and activated class A and B targets will continue to be displayed.
Filter settings also enables the display of the following AIS Nav symbols (if
enabled in the system):
AtoN
- will display Aid to Navigation objects
AtoN Virtual
– will display virtual AtoNs with GPS co-ordinates
SAR Craft
- will display Search and Rescue Craft
Base Station
- will display Base Station objects
For a more detailed description of the AIS types listed above refer to
`
Classes and Types of AIS’
.
If the operator attempts to untick the Class A
or Class B check boxes when the
Activate on
CPA/TCPA/BCR
setting is disabled an `Action
Required’ prompt appears informing that
filtering out the deselected class will
automatically enable Auto-Activation.
To proceed with target filtering click the
Yes
button. The sleeping targets for the selected
filter class are removed from the screen and
Activate on CPA/TCPA/BCR
is enabled.
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An AIS transponder is a short range data radio unit which automatically transmits and
receives vessel information.
Summary of Contents for VisionMaster FT
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