C-NaviGator IV Control Display Unit is the next generation of Control Display Unit providing real-time system accuracy and performance indicators for multiple GNSS receivers; with options for various NMEA inputs and outputs. Improvements over the previous generation include a larger higher resolution display, multiple display port output for remote display expansion, AC/DC power options, double the USB ports and a move to Microsoft Windows platform. It is fully compliant with the latest guidelines for GNSS positioning within the oil and gas industry, as per IMCA standards.