B&G Zeus 12 - Manual (Page 44)

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Setting Up the Sounder Display
The echosounder panel can be setup as a single view, or with split view where the left
and the right side presents different images.
Split screen options
Zoom
The Zoom mode presents a magnified view of the sounder image on the left side of the
panel. By default the zoom level is set to 2x.
The range zoom bars on the right side of the display shows the range that is magnified.
If you increase the zooming factor the range will be reduced. You will see this as reduced
distance between the zoom bars.
ZOOM
BARS
ZOOM
LEVEL
When Zoom mode is selected, the context menu will expand to include a drop down
menu from where you can select the zoom factor.
Bottom lock
The bottom lock mode is useful when you want to view echoes close to the bottom.
In this mode the left side of the panel shows an image where the bottom is flattened.
The range scale is changed to measure from the seabed (0) and upwards. The bottom
and the zero line will always be shown on the left image, independent on range scale.
The scaling factor for the image on the left side of the panel is adjusted as described for
Zoom mode.
MENU WIN
ZERO LINE