hc da-mat tensioned advantage electrol - av format 50 x 50
87862 size 50 x 50 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 da-mat with a special gray surface this screen material is designed for use with today s high output lcd dlp and d-ila projectors . by lowering the black levels of the projected video image this surface creates a more film-like image and is a good choice when video is the main source of projected information . this screen surface is best used when there is good control of ambient lighting and a moderately wide viewing angle is desired . screen surface can be cleaned with mild soap and water . flame retardant and mildew resistant . viewing angle 45 gain 0.8