How Sonars Work

deeper sonar shore fishing

Do you know your dual beam from your narrow beam? Or why there might be blind zones where your fish finder won’t show you what’s in that spot? Our detailed tutorial explains in detail how sonar technology works – all so you can make sense of the detailed data your Deeper Sonar gives you.

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How to read a fish finder

deeper sonar app

One great thing about using a fish finder is that there’s always more to learn. You can start simple, with a display that shows just depth and fish icons. Then as you get more confident you can switch to showing fish arches, and experiment with different sonar beams and sensitivity. Our detailed tutorial gives the basic skills you’ll need to identify fish and judge their size, locate different types of underwater features, and judge bottom type and hardness.

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