Model 831 and LxT support SLM Utility G4 software, which provides usability-optimized interface for sound level meter setup and data analysis. Software promotes work efficiency by supporting simultaneous control of multiple meters and allows consultants/engineers to share setups, download and display data, as well as export to Excel® files via USB or Internet connection. Standard version is 64-bit to support large data files, and another version is available for 32-bit computers.