About The ArtTesting test pattern, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off). Used since the earliest TV broadcasts, test cards were originally physical cards at which a television camera was pointed, and such cards are still often used for calibration, alignment, and matching of cameras and camcorders. Product DetailsFlex your custom design with our premium, wear-resistant Men's Hoodie. Its super soft and smooth fabric provides maximum comfort and durability.
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