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Simrad SN90 Reference Manual
logarithm of the reflected intensity (I
) at one metre from the fish, divided by the
R
intensity which strikes the fish, i.e. the incident intensity (I
), i.e. 10 log I
/I
.
1
R
1
Tip
Use the
page to define the properties for the histogram shown in the
Size Distribution
Size Distribution information pane. Select
in the information pane to open the
Setup
page. The
page is located in the
Size Distribution
Size Distribution
Information Pane
dialog box.
Options
The target strength from fish varies from one specie to another. The
dialog box
Fish Select
allows you to select the fish species you expect to catch. You can then manually adjust
the size distribution. The
dialog box is located on the
menu.
Fish Select
Setup
Once you are able to assess your catch, you can use the
page to
Fish Size Adjustment
change the average size of the various species. The page is opened in the
Information
dialog box.
Pane Options
The
dialog box is located on the
menu. The
Information Pane Options
Active
Information
dialog box is only available when an Inspection view is active.
Pane Options
Each Inspection view can be regarded as an "echo sounder" with an adjustable direction.
In the SN90 system we use the phrase echogram to describe the information provided
by the views. The information pane provides information about the source of the
information. The following sources can be shown:
• Source: Lower Echogram
• Source: Upper Echogram
You can easily change the physical size and shape of each information pane. Click in its
lower right corner, and drag to a new size.
To reset the information pane to its default size, select the
button in its top
Reset size
right corner.
The
function allows you to adjust how much you are able to see "through"
Transparency
the information panes you have opened. You can adjust the setting from 0% (no
transparency) to 90% (almost full transparency) in steps of 10%.
Details
Close
370
381294/E
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