This is most often because they dont understand how their fishing reel drag system works and what its capable of
When I hopped on Brandon Coulters boat, he had it on a drop shot
Thinking maybe a I got a dud I bought another from a different store and the second reel had identical symptoms
Once you have tuned in to the communication channel, you would once again acknowledge the other vessel to ensure youre both on the correct channel and then commence with your conversation
As Angelo mentioned in the Tools of the Trade video above, fishfinders work by transmitting a signal down through the water, via a transducer, and when that signal hits an object that has more density than the surrounding water (like a fish, fallen tree, weed bed, and, of course, bottom), it bounces back, gets processed, and is displayed as an image on the units screen