11.7    TARGET  TRACKING  UNIT  (NCA-877A) 
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11.15  TARGET TRACKING UNIT (NCA-877A) 
 
Radar mode, synthesis mode 
1)  Acquisition    MANUAL/AUTO (by automatic acquisition/activation zone) 
 
2)  Tracking    30 target (Automatic tracking) 
Maximum tracking range: 32nm (Available all range scale) 
 
3)  Display    Tracking data: 2 at the same time. (Can be scroll.) 
Naming function: Possible to name by the alphabet up to 8 characters 
to each target. 
The range, bearing, CPA, TCPA, true course, true speed, BCR, BCT of 
target can be displayed. 
(When naming is displayed, BCR/BCT can’t be displayed.) 
Vector display: True/Relative 
Past position 
 
4)  Alarm    Automatic acquisition/activation zone 
Danger ship: CPA limit 0.1 to 9.9 nm, TCPA limit 1 to 99 min 
 
 
Synthesis mode 
5)  Another ship track  20 targets. 1500 point per one target can be displayed. 
(including AIS targets) 
Display color: 7 colors 
(The display color of each target can be set.) 
(The  display  color of  all  targets  can  be  set  by  the  batch.  In  this  case,  the 
display color is one color.) 
Interval of save: 3/5/10/30 sec, 1/3/5/10/130/160 min, 1/3/5/10 nm   
Possible to storage in memory card (Option).