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Simrad EK15
Example 21 Bottom slopes
The edge of the beam (A) hits the
bottom first, and starts to give an
echo. The bottom detector in the
EK15 measures the strongest echo,
detects what it thinks is the bottom,
and starts the white line.
The area above the bottom detection
(B) will be masked off, and even
though it may contain fish these will
not be visible because the echo from
the bottom is stronger than those
from the fish. The estimated depth
(C) will be shown.
On the EK15 the phenomenon
will cause the bottom line (E) to be
distorted.
274
Bottom slopes
(CD010217-002)
351718/C
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