The most comprehensive, instructional, training Humminbird 700 Series: 798C, 798CI, 788C, 788CI, 778C Bennett Marine Instructional Training DVD teaches you all the features & functions & HOW TO USE your Humminbird 700 Series: 798C, 798CI, 788C, 788CI, 778C unit. This step-by-step training DVD walks you through the key features of the unit and gets you up and running in no time. Learn everything you need to know to begin using your new marine satellite navigator, from projecting way points to mapping fishing areas and setting up routes. 40 minutes