Videos The Lowrance Elite 4 DSI entry-level Imaging System October 26, 2012May 6, 2019 The Next Bite Lowrance Chris Meyer of Lowrance Electronics introduces us to a great little entry-level sonar/GPS unit, the Elite 4 DSI. Other Related Posts: Using Lowrance Side Imaging while Trolling How to Use Forward Facing Sonar Season 20 Episode 2: Winnebago System: Trolling the… Season 19 Episode 6: Forward Facing Sonar Master Class!