Designed for the company's CTS-3000 and GTS-100N series total stations, TopField software meets your basic needs while delivering more features than a basic onboard system. Enter building plan data from paper plans or electronic files. It handles multiple job files and can measure in feet and tenths, meters, or feet and inches. Setup is quick and easy. In addition, you can upload or download coordinates with the company's Link or Tools software. www.topconpositioning.com