https://www.youtube.com/watch?v=1J1M_bcol68 Steps 1. Start on the field edge 30 metres from the corner. 2. Press Start Boundary then Offset. 3. Enter distance from the antenna to field edge. 4. When ready press Start. 5. Drive around the field edge...back to where you started. 6. When the starting point is reached... the map auto closes and is displayed.

https://www.youtube.com/watch?v=28_XzfZ-LXE Steps 1. At the start of a run press the screen once. 2. This sets the A point. 3. Continue to drive along the run. 4. Before reaching the end of the run. 5. Press the screen again. 6. This sets the AB line ready to use.