Simrad ME70 - REV C, Руководство оператора

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Operational procedures
4
TS (40 log TVG)
: Target strength. Only signals accepted as single targets are
displayed. These values are beam compensated.
5
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 the
Active
icon.
This icon is located under the
Main
menu. It is
used to open the
Active
menu.
2 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.
3
On the
Type
tab, observe the various TVG settings that can be applied.
4
Choose your TVG setting.
Tip
The changes made here will by default only be applied to the currently selected
“active” echogram (identified with a thick border). If you wish to apply the
changes to all the other echograms of the same type (for example all bottom related
echograms), use the
TVG
button on the
Active
menu.
5 Click
OK
to save the current settings and close the dialog box.
Making it easier to see the bottom using White Line or
Bottom Line
Purpose
The
Echogram
dialog box allows you to enable a Bottom line or a White line to easier
identify the bottom. This procedure explains how to enable these features.
Description
The marker lines enabled here are explained in section Echogram markers in chapter
Display view .
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