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Chapter 6
MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Using The Menu
This symbol appears when a target is plotted for more than two points
with its target number assigned. The target data is shown in the right
side of the screen.
Warning symbols
The following symbols are used in the EPA functions to notify the operator of a
high-risk target or invalid plotting. These symbols will blink when they are shown.
This is a CPA alarm symbol that appears when a plotted target is
predicted to infringe a predetermined CPA and/or TCPA range. The
symbol blinks at an interval of 0.5 seconds. The data can be
displayed by assigning the target number.
This is a CPA alarm symbol that appears when the relevant target
number is assigned. The rest of the features are the same as above.
This is an Unreliable Plot symbol that appears when a target is not
plotted over 10 minutes. The on-screen error message "UNRELIABLE
PLOT DATA" will also appear on the screen. In approximately 15
minutes from when the symbol is shown and no further plotting is made,
the symbol mark and audio-visual alarm will be turned off automatically.
6.6.8 WARNING LIMIT (Setting the Warning Limit of CPA and TCPA)
This function is used to set up the limit at which the warning alarm for CPA and TCPA
is activated. Use the RADAR/LIM CPA and LIM TCPA menu. Setting ranges for CPA
and TCPA are as follows:
CPA: 0.00 NM to 19.9 NM.
TCPA: 1 Minute to 63 Minutes
6.6.9 TARGET ALL CLEAR (Clearing all target plots)
Use the DISP/NAV/TARGET ALL CLR menu.
6.6.10 ID DISP (Displaying Target ID Number)
Using this function, the target ID number can be tagged on each displayed target. Use
the DISP/NAV/ID DISP menu.
6.6.11 Correcting the latest plotting position
In case you find a wrong plotting and need to correct it, carry out the following steps:
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Operation Manual
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