How To Check The Echogram Settings - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

The
Size Distribution
detected in the echogram. For an accurate x-axis value, place the cursor on a vertical
bar in the histogram, and read the value from the label. The abbreviation TS is
commonly used. It means "Target Strength", and this is a measure of how strong
echo the individual fishes in the current echogram generate. The echo strength
indicates the size of the fishes. The
a mathematical estimate of the sizes of all the chosen fish species in the echogram.
→ Size Distribution information pane on page 54
To change the fish species, use the
→ Fish Select on page 139
2 In the
Size Distribution
to open the
Size Distribution
The
Size Distribution
to your own requirements. You can set up the mode, the upper and lower limits,
the accuracy, and the vertical resolution.
→ Size Distribution on page 166
3 Click to save the settings and close the dialog.
OK
4 Click the
Fish Position
pane.
The
Fish Position
detected single echoes for the current ping (largest circles) and the three previous
ping (smaller circles). The colours indicate the echo strength.
→ Fish Position information pane on page 55

How to check the echogram settings

1 Observe the ES70 echogram.
If you have two or more channels (transducers/frequencies), observe the tabs on
the .
Taskbar
→ Display organisation on page 34
2 Click one of the transducer tabs. Observe that only the echogram from the selected
frequency channel is shown.
By default, two echograms are shown for each frequency channel. The top
echogram is surface related, while the bottom echogram is bottom related. Several
echogram types are provided.
338106/A
information pane shows a histogram of the single fish echoes
Size Distribution
Fish Select
information pane, click the
dialog.
dialog allows you to shape the size distribution histogram
icon on the
Title Bar
information pane shows the position within the beam of the
information pane thus provides
dialog opened on the
icon in the top right corner
Setup
to open the
Fish Position
Getting started
menu.
Setup
information
25