Lowrance Chartplotter 330C, LMS-335CDF, 480M, 480MDF, 7000C, 6000C, 5000C, 4000M, 3200 Sonar/Chartplotters (DVD)

Sonar Operation Step-By-Step Instructions Include: How Sonar Works Interpreting the Signals Locating Fish and Structure Adjusting the Sensitivity Using the Zoom Modes & Setting the Zoom Range Frequencies and Area of Coverage Manually Adjusting the Depth Range Setting Fish and Depth Alarms  Clearing Unwanted Signals and Interference  Customizing the Unit Chartplotter Operation Step-By-Step Instructions Include: Initializing the Receiver & Acquiring Your Position Position & Datum's 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