da-lite hc cinema vision tensioned advantage electrol - av format 8 x 8 diagonal
dl4677 features same great design as our advantage electrol except screen is tensioned for an extra flat surface for optimum image quality when using video or data projection . tab guide cable system maintains even lateral tension to hold surface flat while custom slat bar with added weight maintains vertical tension . front projection surfaces standard with black backing for opacity . standard with a decora style three position wall switch . for easy installation the tensioned advantage is available with scb-100 and scb-200 rs-232 serial control board low voltage control unit silent motor or silent motor with low voltage control built into the case . ul plenum rated case . contains a 2 wide slot on the bottom of the case that the screen drops out of . screen material high contrast cinema vision designed for today s moderate output dlp and lcd projectors this screen surface is a great choice when video images are the main source of information being projected and where ambient lighting is moderately controlled . with its specially designed gray base surface and a reflective top surface this screen material is able to provide very good black levels without sacrificing the white level output . with its enhanced black levels and brilliant white levels this screen surface provides deep life-like colors and greater detail and sharpness to the image . screen surface can be cleaned with mild soap and water . flame retardant and mildew resistant . viewing angle 50 gain 1.1