da-lite video spectra 1.5 model b manual screen - 84 x 84 av format
dl6652 features perfect for classroom and meeting room facilities . easy pull-down system locks at intervals to fit a variety of projection formats nylon bearings provide smooth quiet operation for the life of the screen . case design allows for hanging from a ceiling or flush mounting to a wall . pull cord included . screen material video spectra 1.5 this screen surface is specially designed with a reflective coating which provides an increased amount of brightness with a moderately reduced viewing angle . the increased gain of this surface makes it suitable for environments where ambient lighting is uncontrollable and a projector with moderate light output is utilized . flame retardant and mildew resistant . viewing angle 35 gain 1.5