Furuno CSH-53 - Manual (Page 22)

2-6
Suitable tilt angle
The figure below illustrates the relationship among tilt angle,
depth and detection range. Refer to it to find out the suitable tilt
angle for a given depth/detection range.
100
(200)
200
(400)
300
(600)
400
(800)
Range (m)
0°
5°
10°
15°
20(40)
40(80)
60(120)
80(160)
100(200)
200(400)
Vertical width of sonar beam
15° 26 m
100 m 100 m
300 m
78 m
200 m
Depth (m)
52 m
Tilt angle and beam coverage
Figure 2-3 Tilt angle and beam coverage