5.8.2 Plotting Targets
Vectors are displayed when a target is plotted twice.
A course and speed are calculated from the two plotting positions, and the plotted target moves in the course
at the speed.
The plot can be modified.
The target ID number is not displayed while Display ID Number is set to off.
Procedures 1 Put the cursor on the target, and press the [ACQ] key to start the first
plotting.
2 Enter the plot number (target ID number), pressing [0] to [9].
3. Press [ENT] to finish the first plotting.
The symbol and plot number will be displayed at the plotting position.
4 When 30 seconds to 15 minutes has passed after the first plot, Put the
cursor on the current target position, and take steps 1 to 3 to perform
the second plotting.
When finishing the second plotting, the system clears the symbol and plot number that
were displayed at the end of the first plotting, and displays the symbol (vector) and
plot number at the second plotting position.
The plotted target (symbol and plot ID number) moves in a specified course at a
specified speed. The course and speed are calculated from the two plotting positions.
At this time, the CPA and TCPA at positions where the plotted target moves are
calculated, and an alarm is issued when the plotted target goes into the dangerous
judgment.
5.8.3 Modifying Plotted Target Data
The system modifies specified plotted target data.
It clears the specified data, and displays the plotted target immediately before it moves to the clear position
until re-acquiring a target.
Procedures 1 Press the [ACQ] key.
2 Enter the plot number (target ID number) for modification, pressing [0]
to [9].
3 Press the [CLR / INFO] key.
The previously updated status will be displayed. M is also displayed beside the
mark, indicating that modification is in progress.
4 Put the cursor on the modification position to re-acquire a target, and
plotting.
At this time, specify the plot number you entered in step 2.
([ACQ], [0]-[9], [ENT])
5-65
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