What is the difference between the 400hz and the 855hz frequencies and what applications would you use each in.This is on the Lowrance mark 5 di unit.
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What is the difference between the 400hz and the 855hz frequencies and what applications would you use each in.This is on the Lowrance mark 5 di unit.
Lower frequencies travel further in water, so you tend to use the 455kHz out at long distances and the 800kHz in closer. I'd probably switch at 120ft or so.
thanks catfan.