Learn omni sonar

Eight short lessons, real Furuno screens, hands-on tools and a trainer. Free.

Work through the lessons in order, or jump to what you need. Your progress is saved in this browser.

Why a full circle every half second changes how you fish.

Where your beam really is, and why the seabed shows up as a ring.

Colors, gain, clutter, target lock and marks.

What roll does to a 6-degree beam, on real screens.

Bait, schools, single fish, bottom, wrecks and noise.

What tournament captains who run omni actually do.

Tank, travel, venting, sea trial and the haul-out checklist.

Practice tilt and target lock, then take the marlin challenge.

Ten questions with explanations. See how you'd do on a tournament bridge.

Every omni term in plain English, from AGC to travel.

Owners, captains and installers answer questions the lessons don't cover.

Furuno's eight-part CSH-10 operator course and real fishing footage.