DVD GARMIN GPSMAP 192C/198C SOUNDER CHARTPLOTTER — The most comprehensive, instructional, training DVD to teach you all the features & functions & HOW TO USE your unit. This step-by-step training DVD walks you through the k... more »ey features of the unit and gets you up and running in no time. Learn everything you need to know to begin using your new satellite navigator. Teaches: Initializing the receiver & acquiring your position, Position & datums, Storing your position & saving it as a waypoint, Navigation principles & terms, Using the navigation display & features, Forming & navigating to waypoints, Forming & following routes, Editing waypoints & routes, Following previous tracks.