User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
Page 71 of 149
3.6.4
How to acquire target data
To get speed and course data of a target:
Click [ACQ TGT] to activate the acquiring function (blue shadowed)
Mark and click the desired target
The regarding target will be marked with a dashed circle and a number (no. 4 of
example). After a short acquiring time, the course and speed data are calculated and the circle gets smaller
and full lined (no. 1). If a vector time is set, an ahead vector is shown. (Vectors can be set to Relative or to
True Mode. Following example shows Relative Mode
.
Selected tracked targets
To get detailed information about a tracked target, activate button [SEL TGT] and mark the regarding
tracked target. The target gets a square frame. Then click menu button [TT] to open the window with
regarding navigation data.
Target ID number on screen
Name
: Name of vessel if
AIS too
BRG
: Bearing to target
RNG
: Distance to target
COG*
: COG of target
SOG*
: SOG of target
CPA
: CPA of target
TCPA
: Time to CPA of
target
BCR
: Bow Crossing
Range
BCT
: Time of Bow
Crossing
LAT
: Target position
LON
: Target position
ID
: Target ID on
screen
AIS
: MMSI if AIS
STATUS
: Tracking ok, or lost
REF TGT : selected by user
* See regarding notes in chapter 3.6.9
Target with collision warning:
If the result of target speed and course data will under run the user set CPA and TCPA values of own ship, a
regarding acoustic and visual warning is activated. The target sign with vector and the word ALARM in the
regarding button get red and blinking.
Click [ALARM] button to open alarm list with notice of alarming target. Click that notice, to stop alarm signal
and blinking. Blinking will stop and the red blinking changes to steady red indication. If in the meantime
alarm is gone, when clicking the blinking alarm, the message will be deleted.