Split bottom display provides a normal picture on the
right half and a selectable range over and below the
bottom line is expanded onto the left half of the screen.
This mode is useful for detecting bottom fishes.
• Use the
or keys to adjust the zoom range.
• Press
or
to change the range
• The VRM moves up and down to calculate the bottom
depth automatically.
This display shows echoes at each transmission with
amplitudes and colors proportional to their intensities; on
the right of the screen it is useful for estimating the kind of
fish schools and bottom nature.
Echo strength color code varies from weakest (blue) to
strongest (red).
① Echoes from fish and the bottom
② Unwanted noise echoes.
③ The strongest echo, usually from the bottom.
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