Suitable Tilt Angle - Furuno FSV-24 Operator's Manual

2.4.6

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.
Tilt angle and beam coverage (vertical beamwidth 12
20(40)
40(80)
60(120)
80(160)
100(200)
200(400)
Vertical width of sonar beam
12
Tilt angle 0
Tilt angle 5-7
Figure 2-6 Tilt angle
100 200
(200) (400)
200 m
100 m 100 m
21 m
42 m
Figure 2-7 Tilt angle and beam coverage
2. HORIZONTAL MODE
Sea surface
12
Sea surface
12
)
at -6dB
400
300
(800)
(600)
300 m
63 m
Range (m)
0
5
10
15
2-7