Simrad NSO-II Operator's Manual page 61

Pausing the echosounder
Refer page 58.
Overlay downscan
When a StructureScan unit is connected to your NSO-II system, you can overlay DownScan
images on the regular echo image.
When activated, the echosounder menu will expand to include basic StructureScan
options. See "StructureScan™ overlay" described previously.
Recording and viewing the echosounder data
See page 58.
Search depth
Noise may cause the echosounder to search for unrealistic depths.
By adjusting the search depth you can avoid that such conditions interfere normal
echosounder operation.
Echosounder | NSO-II Operator Manual
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