da-lite da-tex rear tensioned advantage electrol - hdtv format 184 diagonal
dl4596 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 da-tex flexible fabric screen a translucent neutral gray vinyl fabric that allows rear projection in applications where a rigid acrylic or glass screen are not possible . this specially designed gray vinyl surface offers the same high transmission and low reflectance values as a rigid rear projection screen for optimal viewing . it yields excellent color rendition image contrast and a moderately wide viewing angle . ideally suited for both lace and grommet and snap button type screens used in portable installations . this material requires tensioning due to its flexible nature . screen surface can be cleaned with mild soap and water . flame retardant and mildew resistant . viewing angle 30 gain 1.3