Simrad ME70 - REV C, Руководство оператора

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Simrad ME70
a
Pr (No TVG)
: Power.
b
Sv (20 log TVG)
: Volume backscattering strength.
c
Sp (40 log TVG)
: Point backscattering strength.
d
TS (40 log TVG)
: Target strength. Only signals accepted as single targets are
displayed. These values are beam compensated.
e
Sp & TS (40 log TVG)
: Point backscattering strength overlaid with target
strength data.
Note
The
TS (40 log TVG)
and
Sp & TS (40 log TVG)
values can not be selected using
the
TVG
button on the
Active
menu. To change to these settings, you must use the
Echogram
dialog.
Procedure
1
Click in one of the Echogram views to make it active.
2 Click the
Active
icon.
This icon is located under the
Main
menu. It is
used to open the
Active
menu.
3 Click
Echogram
to open the
Echogram
dialog box.
The
Echogram
dialog box allows you to set up the parameters controlling the
echogram presentation. The three tabs control the horizontal lines, the echogram
type with applied TVG, and how sample data are converted to pixel data.
Tip
You can also open this dialog box from the short-cut menu in the Echogram view.
4
On the
Echogram
tab, choose
Echogram Type
.
Note
The chosen echogram type will only apply to the currently selected “active”
echogram. If you wish the changes to apply to all similar echograms, click
Apply
To All
.
5
Click to choose
Reference
and
Backscatter
parameters to suit your preferences.
6 Click
OK
to save the current settings and close the dialog box.
Adding horizontal markers to the echogram
Purpose
This procedure explains how you can enable one or more horizontal markers in the
current echogram.
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