Display & Interface Split Screen

What it is and why it matters for anglers

Split screen is a display mode that divides your fish finder screen into two or more panels, each showing a different view simultaneously. Common splits include traditional sonar alongside down imaging, GPS mapping beside sonar, or a three-way view combining CHIRP, imaging, and chart in one display. This allows you to monitor multiple information sources without switching between full-screen modes.

Most modern fish finders support at least two-panel splits, and many mid-range to premium units offer three or four-panel options with adjustable panel sizes. You can typically drag the dividing line to give more screen space to the view you use most. Some units also support picture-in-picture, overlaying a small window of one view on top of another.

The effectiveness of split screen depends heavily on your screen size and resolution. A 7-inch display split two ways gives each panel about 3.5 inches of width, which is still usable. A 5-inch display split in half becomes cramped and difficult to read. This practical limitation is a major reason many anglers upgrade to 9-inch or larger screens — not for the physical size alone, but for the ability to run split views without sacrificing readability.

For live sonar users, split screen is essential. Running LiveScope or ActiveTarget alongside a traditional CHIRP view or GPS chart on the same display lets you track fish in real time while maintaining awareness of your position, depth, and surrounding structure. Dual-screen setups at the bow and console take this further by dedicating entire screens to individual views.

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Frequently Asked Questions

What screen size do I need for split screen?
A 7-inch display handles two-panel splits reasonably well. For three or more panels, a 9-inch or larger screen is recommended. If you plan to run live sonar alongside other views regularly, a 10-inch or 12-inch display provides the most comfortable split-screen experience.
What is the best split screen combination?
A popular setup is traditional CHIRP sonar on the left with down imaging on the right, giving you both water column coverage and structural detail. For navigation, try GPS chart paired with sonar. Live sonar users often split between FFS and a chart or traditional sonar view.