Quote Originally Posted by shortdraw View Post
sorry for the slow response...got busy with windows and siding on house. yes it does have the filter in in the cord. talked to humminbird they said there was a way to go into the settings and fix that now I forgot how they said to do it so Ill call them again. That is unles someone knows how or what humminbird was talking about.
There is a "Noise Filter" under the Sonar tab ...

But one must realize a filter is "indiscriminate" ... meaning it can also filter weaker echoes you may want to see ...

It's always best to track down the interference culprit instead of using unit filters to cover it up ...

Rickie