The TSI-4000 collects information from signal routing and processing equipment to operate displays and tallies as directed by its internal configuration information. At the heart of the Ross Video Tally System is the TSI-4000 Tally System Interface. The TSI-4000 collects information from signal routing and processing equipment to operate displays and tallies as directed by its internal configuration information. Users can configure the TSI-4000 from a Windows PC running the Tally System Console 3 program. Once configured, the TSI-4000 continues to operate the tally system with or without the PC connected.