The DD-660RS incorporates many of the steadfast features provided by previous models with some state-of-the-art enhancements. Chief among these enhancements is a new micro-processor control system with a touch screen display. This system allows the operator to fine tune the drilling capacity to the specifications of the product being installed. The state-of-the-art design provides better response time than previous systems and is utilized to display all gauges, read outs, diagnostics, instruction manuals and service contact information.