TournamentSR version 7.2.0 works with a new free support program: MatchScorerSR.  The combination of a computer running TournamentSR, the same computer or another running AnnouncerSR, and a computer running MatchScorerSR at each mat eliminates the need for printed bout cards.  See the MatchScorerSR User guide for more information:

https://www.smartrunsys.com/TournamentSR/Documentation/MatchScorerSR.pdf

MatchScorerSR includes a "practice" mode that allows people to learn the program without the need of other computers/programs in days leading up to the tournament.