About the echograms
An echogram will normally dominate each Channel view in the ME70 presentation. The echogram contains information about the acoustical values. The settings made in the Echogram dialog box specifies displayed information type, while the settings in the Colour Scale dialog box is used to control the presentation. You can add selection of markers to the echogram presentation to enhance and/or add information.
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Description
Tip
If you place the cursor inside the field, a small yellow label will appear to give you detailed read-out of certain information. The Tooltip dialog box controls which tooltips that are shown.
Right-click in the view to open the shortcut menu.
Supported echogram types
•  Surface
A Surface echogram is mainly used when you wish to look at the entire water column starting from the sea surface and down to the sea bottom.
•  Bottom
A Bottom echogram is mainly used when you want to examine the echoes from fish close to the sea bottom.
Selecting which echogram type to use
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Click once in the view that you wish to change. The view is activated. It is identified with a thick border. Select Echogram on the Active menu. In the Echogram dialog box select Echogram Type.
In each echogram view, you can also select from a number of markers, lines and annotations to enhance the echogram, or to provide additional information. These can be selected on the Lines page in the Echogram dialog box.
The different echograms can be opened using the Echogram shortcut menu.
Shortcut menus
Right-click in the view to open the shortcut menu.
Details
To activate a field and hence a channel, you must first click in the field. By doing so the menus and options available will adjust to the activated field and also apply to the active channel for this field. In this context , the phrase channel is used as a common term to identify the combination of transceiver, transducer and operating frequency.
You can easily change the physical size and shape of the fields. Click on the grey lines between the fields and drag to new size. Note that this will cause one field to increase in size and another to decrease.
Right-click in the active field and select Hide View from the shortcut menu to close the field.
Right-click in any of the fields in the active channel and select Configure Window to be able to reopen a field.Select the field(s) you want to re-open by ticking of the name in the Show Views listClick on the Apply button for the field to appear