If Topcon's main site has archived it, authorized dealers often host these files. A simple Google search for "Topcon Compass Receiver Utility download" often leads to sites like Positioning Solutions or Terra-Sat .
: Connect the receiver (e.g., SinoGNSS T30 IMU ) to the PC using a 7-pin Lemo to USB cable. download compass receiver utility top
CRU software instruction-Blogs-Innovation Makes A Difference If Topcon's main site has archived it, authorized
CRU is professional Windows-based software for configuring receiver parameters, converting raw data to Rinex format, and monitoring satellite status. converting raw data to Rinex format