The HELIX 9 DI GPS shares plenty of similarities with the HELIX 7 DI GPS, only it offers several extra features, and of course, a wider screen. This unit actually replaces the old 959ci HD DI Combo unit, as it's one of the newest units for 2016. The HELIX 9 DI GPS features a 9-inch display, with the same 480V x 800H pixel matrix as the HELIX 7 series. However, this unit has … [Read more...] about Humminbird Fish Finder HELIX 9 DI GPS Review