JRC JMR-5410-6X - Tracked Target Information Display

Section 6 Target Tracking and AIS 6-22
6.5.3 Tracked target information display
Memo
When a target or own ship 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.
1 Set the cursor mode to the AUTO mode.
2 Click on the target of tracking whose numerical value is to be displayed.
Numeric data for the specified target is displayed in the information monitoring window.
The symbol display is changed to " ". 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 appear until its
vector appears.
Cancellation of numeric data display
1 Set the cursor mode to the AUTO mode.
2 Place the cursor on the tracked target to cancel numeric value display and then click
on.
The numeric value disappears.
Details on tracked target information
Item Explanation
TT ID ID No. of tracked target being displayed
BRG True bearing
Range Distance
CTW (Course Through the Water stabilisation mode)/
COG (Course Over the Ground stabilisation mode)
Course
STW (Speed Through the Water stabilisation mode) /
SOG (Speed Over the Ground stabilisation mode)
Speed
CPA Closest approach distance
TCPA Time up to closest approach distance
BCR Bow crossing distance
BCT Bow crossing time