Furuno CSH-83, CSH-84 manual Suitable tilt angle, Tilt angle and beam coverage

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			Range (m)
100	200	300	400	0°
(200)	(400)	(600)	(800)
20(40)				5°
40(80)
60(120)				10°
80(160)
100(200)				15°

Depth (m)

200(400)

Vertical width of sonar beam

300 m

200 m

100 m

12° 21 m

42 m 63 m

Figure 2-3 Tilt angle and beam coverage

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