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Surface Clutter
Settings: Low = 1 to High = 10; Default = 5
Surface Clutter adjusts the filter that removes surface clutter noise caused by
algae and aeration. The lower the setting, the less surface clutter will be
displayed.
TVG
Settings: On, Off; Default = On
TVG (Time Variable Gain) adjusts the sonar returns on the display to show less
clutter and more fish size accuracy. In other words, when TVG is On, a large
arch on the display means a large fish has been detected.
When TVG is off, the Fishfinder shows only the raw sonar returns on the
display. While the raw data may create more clutter on the display, it also
reveals more arches and better jig tracking on the screen.
Surface
Clutter
Surface Clutter
Sonar Menu Tab