I’m new to hummingbird and trying to get my settings dialed in. It seems as though I get a better picture for side imaging when my sensitivity is like -8. I’ve heard I should be around 10-15. I get a decent picture when sensitivity is around 10 or 11. Is that ok to have a negative number for sensitivity? Fishing a dirtier lake in the upper peninsula of Michigan (Lake Gogebic). Thanks
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