Display & Interface Split Screen
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.