Ping Speed
Ping speed controls the rate the transducer transmits the signal into the water. By default,
the ping speed is set to max. It may be necessary to adjust the ping speed to limit
interference.
Log sonar
Select to start and stop recording of echosounder log data. For more information, refer to
"Recording log data" on page 70.
More options
Split screens
Zoom
A Zoom level
B Zoom bars
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. You can select up to 8x zoom.
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 is reduced. You see this as reduced distance between
the zoom bars.
Move the zoom bars up/down on the image to view different depths of the water column.
Bottom lock
The bottom lock mode is useful when you want to view targets 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
are always shown on the left image, independent of the range scale. The scaling factor for
the image on the left side of the panel is adjusted as described for the Zoom option.
Palettes
Used for selecting the image's color palette.
Temperature graph
The temperature graph is used to illustrate changes in water temperature.
When toggled on, a colored line and temperature digits are shown on the image.
Echosounder | NSS evo3S Operator Manual
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