Appendix 1: Symbols and Abbreviations
AP-2
1.6 d
Path predictor
(Only for own ship)
1.7 a
Past track
System past track is indicated by thick
line. Raw sensor primary past track is
indicated by thin line. Raw sensor
secondary past track is indicated by grey
thin line.
1.7 b
Past track – time increments
Time increments are presented as single
lines perpendicular to the past track.
1.7 c
Past track – past positions
Past positions are drawn as small filled
circular symbols.
2.1 a
Radar targets in acquisition state
5 mm in diameter
2.2 a
Tracked radar targets
TT: Std or small user selection by
Symbol Display
3 mm in diameter
2.2 b
Tracked radar targets – alternative
TT: Std or small user selection by
Symbol Display
2 mm in diameter
2.2 c
Tracked radar targets – dangerous
target
Dangerous target symbol is red and it
flash until acknowledged
5 mm in diameter