Using special instruments and software, HT3550 is tested and adjusted for precise D65 color temperature, gamma, black level, white level, neutral grey, RGBCMY color tracking, hue, saturation, brightness and output based on ITU-R Rec.709. All data from multiple interfaces is compiled for individual factory calibration reports, guaranteeing 100% Rec.709 with Delta E<3*, also implement an optimal DCI-P3 color table by BenQ exclusive CinematicColor technology to reproduce authentic colors of Hollywood films.