Simrad ES70 Operator's Manual page 65

•
Lower Echogram
echogram for the chosen channel. By default, this is a bottom echogram.
The data is calculated based on the selection you have made in the
dialog.
Interval
If you have selected only a small vertical range close to bottom, the histogram
may be empty. This because the fish volume is small due to the limited range
selected, and because the target strength algorithm must take into consideration
other bottom echoes than fish.
• : This histogram is created based on fish echoes from the currently zoomed
Zoom
area.
3 : The large number above each histogram is the mean value from the
Mean value
tallest bar. The unit reflects the mode chosen in the
To change the settings in the histogram, click
The
Size Distribution
histogram in the
Size Distribution
your own requirements. You can set up the mode, the
upper and lower limits, the accuracy, and the vertical resolution.
Related topics
• How to monitor the fish size distribution on page 93
343539/B
: This histogram is created based on fish echoes from the bottom
dialog allows you to shape the
information panel to
Size Distribution
on the
Size Distribution
Display views
Calculation
dialog.
menu.
Active
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