110 |
Tracking |
Argus Radar Operator Manual
In order to properly operate with tracking data association, the operator has to fill in three
values in the above window:
•
Max Delta Range (0.07 NM in the Figure)
•
Max Delta Speed (2.5 KT in the Figure)
•
Max Delta Course (11.2° in the Figure).
The association between two tracks will occur only when:
•
The data association is On
•
The radar tracked target is steady
•
The distance between them is less than the set Max Delta Range, the difference between
their speed is lower than the set Max Delta Speed, and the difference between their course is
less than the set Max Delta Course.
The association is not possible when and if:
•
Just one of the above conditions is not realized
•
The AIS target has an invalid course and/or speed information (Gyro and/or Log Failure).
In case two targets were incorrectly fused, the two targets will be split again and the radar
tracked target will be drawn with its original symbol again, once one of the above conditions
has changed.
¼
Note:
If more than one radar tracked target is in the above mentioned thresholds, only the
closer one will be fused.
The data from the AIS button is used to change the source of data presented on the target
data window when a fused target is selected. A symbol will be displayed in the lower part of
own ship window indicating the fused data origin:
•
An enlarged circumscribed thin circle with thick isosceles triangle inside for AIS data origin.
•
A thick circle with inscribed small isosceles triangle inside for TT data origin.
AIS On/O
ff
This button toggles the AIS interface On or Off. Switching it off, all the AIS NMEA sentences
received will not be processed and all the actually displayed ones will be cancelled.
AIS list
Pressing the “AIS List” labelled button, the “AIS List Menu” will be displayed. This window lists all
the AIS targets being processed and the list can be sorted by range, ship name or id number.
¼
Note:
Targets will be given an ID number in the order they are received. Switching the AIS
interface off and on again, or looking at another radar display, this number can therefore be
different for the same target.
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