Suitable Tilt Angle; Finding Range And Bearing To A Target - Furuno CSH-5L Operator's Manual

1. OPERATIONAL OVERVIEW
1.4.6

Suitable tilt angle

The table below shows the estimated detection range for tilt angles of 0, 5, 10
and 15 degrees. Refer to the table to find suitable tilt angle from depth and
detection range.
Tilt angle setting
20(40)
40(80)
60(120)
80(160)
100(200)
200(400)
Vertical width of sonar beam
15
13
1.5

Finding Range and Bearing to a Target

Operate the trackball to place the trackball mark on the target you want to
measure the range and bearing. The slant range, horizontal range, bearing and
depth to the target appear at the upper left corner of the sonar display.
TRACKBALL DATA
Slant range from own ship to trackball mark
î
Horizontal range from own ship to trackball mark
è
Depth to trackball mark
ê
B Relative from own ship to trackball mark*
* = Relative bearing format may be selected with
OTHER MARKS on the MARKS menu.
1-14
100 200
(200) (400)
200 m
100 m
26 m
200 m
100 m
23 m
Depth, detection range and tilt angle
Location of trackball data
300
(600)
300 m
CSH-5L
78 m
52 m
300 m
CSH-8L
68 m
46 m
î
è
ê
B
Detection range (m)
400
0
(800)
5
10
15
Trackball mark
Own ship mark