Videos Fishing Tip – Using Structure Scan to find walleyes on rocks S11E11 March 23, 2015December 10, 2017 The Next Bite Chase Parsons, Lowrance, Structure Scan, Trolling, Videos, Walleye Chase Parsons demonstrates why its beneficial to use Lowrance’s Structure Scan technology and not just sonar to locate walleyes relating to rocky structure. Other Related Posts: Season 19 Episode 6: Forward Facing Sonar Master Class! How to read fish finder for 150 feet deep lake trout. Using a Lowrance GPS in a Duck Boat can Really Help in the… Lowrance HDS Unit Basic Set Up #Lowrance #HDS