Setting up the ForwardScan image
Source
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Note: Available only if multiple sources with the same capability are available.
Used to specify the source for the image in the active panel.
You can display different sources simultaneously, using a multi-panel page configuration.
Menu options for each panel are independent.
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Note: Using transducers at the same frequency can cause interference.
For source setup information, refer to the NSS evo3S Installation Manual.
Depth
Controls depth range. Depth range is set to auto mode by default.
Forward range
Controls the forward looking search range. Maximum Forward range is 91 meters (300 feet).
Noise rejection
Filters out signal interference and reduces on-screen clutter.
Show zones
Displays warning zones (yellow) and critical zones (red) on the screen. Refer to "Critical forward
range and Critical depth" on page 94.
More options
Pause
Pauses the image, allowing you to examine the image in detail.
The pause function stops the echosounder from pinging. The system is not collecting data
when paused in this manner.
Palettes
Used for selecting the image's color palette.
History ratio
Controls how much sounder history is shown behind the boat. The higher the ratio, the more
history will be shown.
Point data
By default, ForwardScan only shows the bottom. Select this option to specify to view no
sounder data points, all data points, or only points (objects) in the water column.
Depth lines
Displays lines on the screen that make it easier to quickly estimate depth and the underwater
objects.
Recording ForwardScan data
Displays the record dialog. ForwardScan log data can be recorded by selecting the correct
file format (sl3) in the record dialog. For more information, refer to "Recording log data" on page
70.
ForwardScan| NSS evo3S Operator Manual
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