Epa Operation - JRC JMA-5312-6 Instruction Manual

5.8

EPA OPERATION

The EPA function is available when a target tracking unit (option) is not connected.
Note: ARPA Process Unit (NCA-877WA) or ATA Process Unit (NCA-877A) must be fitted on ships
compliant to IMO.
This section explains how to use the EPA function.
The EPA function displays vectors as the courses and speeds of target ships.
The data of up to 10 target ships (plot/ID numbers 0-9) can be specified.
The EPA function calculates CPA/TCPA, and issues an alarm.
The data of plotted target ships is erased from memory when the power is turned off or transmission standby
state.
The EPA function does not display any past plot data.
The past position function is not available.
The EPA function does not calculate BCR or BCT.
The target ID name function is not available.
The automatic acquisition function is not available. (The radar alarm is available.)
The Target Track Function is not available.
The reference target function is not available.
The Trial Maneuver is not available.
* The setting procedure for target tracking applies to the following:
1. Vector Time
2. CPA Limit
3. TCPA Limit
4. CPA Ring
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