How easy-to-use is the revolutionary new HDS Gen 3 Fishfinder/Chartplotter? Product Manager, Jeremiah Clark says, “Gen 3 was built with simplicity in mind”. HDS Gen3 has zero learning curve and effortless access to all your favorite Lowrance® technologies like StructureScan® HD, Broadband Radar®, CHIRP sonar, chart navigation and the most popular user settings.