da-lite video spectra 1.5 deluxe model b manual screen - 50 x 67 video format
dl6669 features suitable for offices training and meeting rooms . built-in tensioning arm locks in place when screen is extended to provide a flat tensioned viewing surface . screen surface may be angled with included pull cord to eliminate keystoning when screen is mounted with extension wall brackets or suspended from the ceiling . 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