Target functions •
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Display of ARPA target data
How to view ARPA target tracking data of normal targets
On the ECDIS display move cursor above desired ARPA radar target and press INFO/HELP push button.
Following Target display dialog box appears.
ARPA Radar target on ECDIS screen ARPA Target display dialog box.
Target display dialog for ARPA radar target consists following information:
• Targets number and its status
• Status can be Query, Tracking or Lost. State Query indicates a new target which
do not yet have long enough tracking history to have target speed, course, CPA and
TCPA available.
• Position
• CPA and TCPA
• Distance and true bearing from own ship
• True speed and true course of the target
User can set Closest Point of Arrival (CPA), and Time for CPA (TCPA) to define dangerous ARPA targets. CPA
and TCPA limits are common for ECDIS display and Danger target log function. On ECDIS display, a dangerous
ARPA target is blinking between green and red colour.
1. Press VOYAGE RECORD button.
2. Select Settings from the menu
3. Select Danger Targets sheet open.
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