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Echosounder | NSO-II Operator Manual
Fish echoes
You can select how you want the echoes to appear on the echosounder image.
Traditional sh echoes Fish symbols and depth indication
StructureScan™ overlay
When a StructureScan unit is connected to your NSO-II system, you can
overlay a DownScan image on the regular echo image.
When activated as described below, the echosounder menu will expand to
include basic StructureScan options.
Gain for both images can be adjusted as described on “Adjusting color and
gain settings” on page 57.
For more information about StructureScan, see “StructureScan™” on page
62.
Echosounder settings panel
Echosounder source
If you have more than one echosounder on your network, you can select which sounder
to be the preferred source on this NSO-II unit.
Network echosounder
You can share the echosounder connected to this NSO-II unit on the network
For more information about how to setup echosounders, refer to the separate NSO-II
Installation manual.
Ping speed
The Ping Speed controls the rate the transducer transmits into the water. A high ping
speed will make the image move fast on the screen, while a low ping speed will present a
longer history on the screen. The reverberation potentially caused by too high ping speed
can cause interference on the screen.
TVG
Wave action, boat wakes and temperature inversion can cause on-screen clutter near the
surface.
The surface clarity option reduces surface clutter by decreasing the sensitivity of the
receiver near the surface.
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