User's Manual Part 2

Operator Manual
Raytheon Marine GmbH
Germany
R
NSC 18
RADAR
273
3748DOC020102Edition: 14.JAN.2005
2.4.4.1 Determining the CPA/TCPA radius
The CPA/TCPA radius can quickly be adjusted to the desired situation as shown
in Figure: 235.
Procedure:
Step 1 Open the ARPA menu
Step 2 Show or hide the radius in the radar video
Step 3 Edit and apply individual values for CPA and TCPA
Step 4 Complete the input
Step 1
Figure: 235 CPA/TCPA ZONE
Step 3
Step 2
Left
Step 4
ARPA
symbols
Collision
conditions
Sequence of actions
Result:
If a tracked target moves inside the set limits, a “Dangerous Target Alarm”
is triggered.