Onwa Marine Electronics KR-1338C v.2 - Manual (Page 7)

How to view your ships AIS information?
Press AIS menu, select 10. Own Ship Data then AIS detailed information
will appear as shown in Figure 7.
Setting vector length of time
This function is used to set your ship and target ships vector length. The
mark represents the vector in accordance with the present voyage. This value
is just an estimate and it will follow the ships movement. However it can
help simplify the radar operators intuitive navigation judgement.
Setting method:
Enter AIS menu, select 4. Vector length and press [ACQ/ENTER] key,
then use the direction key choose corresponding time, and press the
[ACQ/ENTER] key.
Figure 7 Own Ship data
COG (Course over ground)
SOG(Speed over ground)
Turning direction(ROT)
Heading line
(If there is no heading data, the
line points in direction of COG.)
Figure 8 Activated target
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