Northrop Grumman Sperry Marine VisionMaster FT, Руководство пользователя

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Targets Radar/Chart Radar User Guide
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Using Test Targets as a Training Exercise
The following training exercise using movable test targets may be
undertaken.
1. In order to make the CPA/TCPA
calculations easier to visualize, it is
advisable to make own ship stationary.
To do this, right click on STW on the
Sensor Data Display, and click
Select
STW Source from the drop down list.
In the STW window select Man sensor
data source, fixed at 0.0.kn, and confirm selection.
2. Select Test Targets from the Targets menu and ensure the Fixed
Test Targets Display check box is unticked.
3. In Moveable Test Targets select Test Target 1 and tick the Target
Active check box.
4. Adjust the speed and true course of Test Target 1 so that it is
heading in an approximate direction towards own ship.
5. Select the test target on the screen by
clicking on the beginning of its video
trail. Click on the selected target again
to display the
Target Data tab for the
selected test target.
6. Note the target's range and other
attributes. Apart from Range and True
Bearing all other target data will be
displayed in amber. If the TCPA shows
as a negative value, go back to the
Test Targets window and re-adjust the
target's true course accordingly.
7. As the test target moves closer to own ship and the TCPA moves
towards zero, note how the range comes to match the calculated
CPA.