Why does AccuGrade GPS use three lightbars for guidance?
The lightbars provide 3D guidance to the operator. One of the lightbars is mounted horizontally in the center of the cab. Lights flash to indicate left or right, guiding the operator along a defined alignment. This alignment may be a road centerline, or edge of road, or any other line of interest. The other two lightbars are mounted vertically and correspond to the right and left edges of the blade. Based on an input design file, cut or fill is computed for the base of the blade, and the lightbars direct the operator to raise or lower each side of the blade accordingly.
