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Target functions
Display of ARPA radar targets
Targets which are tracked by ARPA radar, can also be displayed on ECDIS screen. Select ARPA targets Std or
Other position on Tracking sheet of Chart Display dialog box. There are two kind of targets displayed on electronic
chart area:
•
normal targets
•
Reference targets
Targets from the radar can also be displayed on the Electronic chart area. NOTE that reference target has letter "R" in its
label.
Display of dangerous ARPA radar targets
A dangerous ARPA radar target is displayed as a blinking target symbols between colours green and red. The
ECDIS has its own definition for dangerous target limits. Thus ARPA radar may show a target as dangerous while
ECDIS shows it as safe and vice versa. You can set CPA and TCPA limits used by the ECDIS in Danger Targets
sheet of Voyage Recording. For more information, see chapter "How to set conditions of viewing and logging
Danger Targets" on page 342.
Display of lost ARPA radar targets
A Lost ARPA radar target is displayed as a blinking target symbols between colours green and dark yellow.
Target functions • • • • 319
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