The honest answer is I have never used a fish finder, well with the exception of my own eyes. I have seen Guddler, an old member on here, using a finder attached to his radio control boat at Suffolk Water Park use one to work out the lakebed.
That is he got the features mapped out for him on the screen, brilliant, could save a lot of time if you are not marker float and lead orientated. However, it does not tell you where the fish will come in to feed, or even the exact feeding spots๐
I have also had the pleasure of being able to go out in a boat to find features and map a lake, rowing over fish, watching their (occasional non) reaction, even lowering baits in from the boat.
For years, pike anglers have been using fish finders on boats, discovering large shapes, fish in midwater, and it can give an idea where the fish are, although a pike resting midwater, it can take a lot of bait finding what it wants, or even watching it ignore everything.
Your eyes can tell you so much, from slight swirls, to shows like rolling, coloured water, or even real jumping. Technology is brilliant, but the Mark l eyeball is more brillianter๐๐๐
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