User's Manual

5-21
z When a target changes its course, or when a new target
is acquired, its vector may not reach a given level of
accuracy until 3 minutes or more has passed after such
course change or target acquisition.
Even if 3 minutes or more has passed, the vector may
include an error depending upon the tracking
conditions.
5.2.3 Tracked Target Data Display [TGT DATA]
Type of Data Display (Target Information)
Target Data
Target identification (TT ID) ID number of the target
True bearing (BRG)
0.1° unit
Range 0.01 NM unit
Course
0.1° unit
Speed 0.1 knot unit
Closest point of approach (CPA) 0.01 NM unit
Time to CPA (TCPA) 0.1 min unit
Bow crossing range (BCR) 0.01 NM unit
Bow crossing time (BCT) 0.1 min unit
The target for which its numeric data is displayed is marked with a symbol " " to distinguish from
other targets.
If a target’s data is displayed, but without the symbol " " , such a target exists outside the currently
displayed radar display.
Method of Displaying Numeric Data [TGT DATA]
Procedures 1 Put the cursor on the tracked target for which numeric data is to be
displayed, and press the [TGT DATA] key.
Then, the data of the designated target will appear, it will be marked with a symbol
" ". The target data will remain on the radar display until the target is lost and
its vector disappears, or until another target is designated.
If a target with the mark " " is designated, only its true bearing and range will
appear until its vector appears.
Attention