DVB-S2 test cards

DVB-S2 test cards are digital signals used during the setup and testing of satellite broadcasting systems. They contain specially designed data patterns that help engineers verify equipment functionality, signal quality, and transmission accuracy. These test cards do not display images like traditional TV test patterns but serve as standardized references for checking aspects such as data integrity, modulation accuracy, and signal stability in satellite communication links. In essence, they ensure the satellite system is operating correctly before delivering real TV broadcasts to viewers.