Videos Lowrance HDS-2 and StructureMap October 26, 2012May 6, 2019 The Next Bite Lowrance Chris Meyer with Lowrance explains how to use the feature StructureMap on the Lowrance HDS Generation 2 units. Other Related Posts: Lowrance HDS Unit Basic Set Up #Lowrance #HDS How to Make your Own Lake Contours Casting at Individual Walleyes with Lowrance Active… Using a Lowrance GPS in a Duck Boat can Really Help…