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The transducers horizontal beam is 1 degree wide.
T
R
A
N
S
D
U
C
E
R
To insure complete bottom coverage, out away from the fish, the vertical part of the narrow beam must be very
wide. The vertical part of the beam is 40 deg wide. The transducer is tilted (pointed) 10 deg down to insure that
the main impact of the beam will sweep across the bottom. The main power of the beam is in the dark shaded
area. The lightly shaded area shows the secondary area of the beam. It lacks the power of the main part of the
beam, but is part of the overall vertical beam pattern and does detect targets.
Fish
Tail
Total
Beam
Target #1
All of the targets shown above will be picked up and displayed as shown below. Drawing assumes targets are
in a straight line (water column factor not included - covered later).
Target #1
Right Main Beam (horizontal/top view)
4800 fps
Main Beam
Target #2
Right Channel Display
Print Head - Right Channel
Target #2
17
Target #3
Target #3
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