UK Angler Matt Boast shows the TrackBack feature integrates with StructureScan 3D as he fishes the River Thames in London.
For more information on StructureScan 3D visit: http://www.lowrance.com/en-GB/Products/Sonar/StructureScan-3D-en-gb.aspx
Featured Lowrance HDS Gen 3 Series Fishfinders: http://www.lowrance.com/en-GB/Products/HDS-Gen3/