Section 4 Range and Bearing Measurement Methods  4-4 
4.3.2  Measuring the bearing and the range from the 
own ship’s position to the target by using the 
cross-hair cursor 
The measurement method is as follows. 
Memo 
When placing the cursor on the target, place the cursor on the front edge (towards the own ship of 
the echo) (CCRP side) of the echo.   
 
 
 
   
45.0°
180
0
 90270
6.00NM
Bearing and range from the own ship’s 
position to the target in this figure:
True bearing: 45.0°
Range:  6.00 NM
Cursor
(Should not place the cursor at the center 
of the echo, place the cursor at the front of 
the echo's edge)
Target
CCRP
(Should not place the cursor at the centre 
of the echo, place the cursor at the front 
of the echo’s edge)