JRC JMR-5410-4X, Instruction Manual

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6-17 Section 6 Target Tracking and AIS
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6.4.3.1 Setting CPA limit
1
Click on the CPA limit value input box in the other ship information window.
Set the CPA limit in the unit of 0.1 NM within the range from 0.1 NM to 9.9 NM.
2
Enter the CPA limit.
6.4.3.2 Setting TCPA limit
1
Click on the TCPA limit value input box in the other ship information window.
Set the TCPA limit in the unit of 1 min within the range from 1 min to 99 min.
2
Enter the TCPA limit.
For the details on how to set up alerts based on the collision determination condition, refer to
"12.2 Collision Avoidance Alert Generation Conditions".
6.4.4 Showing the CPA ring
The CPA ring is rendered as a red circle with the own ship centred and the CPA limit set distance used
as the radius.
[Operation procedure]
Open the TT/AIS target setting screen by performing the following menu operations.
[Menu] button
→
View
→
Target
1
Check [CPA Ring (Only Relative mode)].
The CPA ring is shown.
Memo
When True is specified for the vector mode, [CPA Ring (Only Relative mode)] cannot be selected.
TCPA limit value input box
CPA limit value input box