Section 6 Target Tracking and AIS 6-20
6.4.4 Showing the CPA ring (RADAR only)
The CPA ring is rendered as a red circle with the own ship centered and the CPA limit set distance used
as the radius.
1 Click on the [Menu] button on the left toolbar.
The menu is displayed.
2 Click on [View] - [Option] - [Target].
The [Target] dialog is displayed.
3 Select [CPA Ring (Only Relative mode)].
The CPA ring is shown.
Note:
When True is specified for the vector mode, [CPA Ring (Only Relative mode)] cannot be selected.
[CPA Ring (Only Relative mode)]