Advanced StructureScan settings
TVG
Wave action, boat wakes and temperature inversions can cause onscreen clutter near the
surface. The TVG (Time Variable Gain) option reduces surface clutter by decreasing the
sensitivity of the receiver near the surface.
Ú
Note: For optimal image return and clarity in most conditions, the default value is set to
a low value.
Flipping the Structure image left/right
If required, the left/right SideScanning images can be flipped to match the direction of the
transducer installation.
Range Lines
Range lines can be added to the image to make it easier to estimate depth (Downscan) and
distance (SideScan).
Recording StructureScan data
You can record StructureScan data and save the file internally in the NSS evo2 unit, or onto
memory card as described in "Start Recording echosounder data" on page 79.
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StructureScan | NSS evo2 Operator Manual
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