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The DA-LITE - LEGRAND 89979L is a contour-style tensioned motorized projection screen designed for commercial AV installations. The tensioned surface maintains a flat, warp-free viewing plane across the full 159-inch diagonal, which is critical for high-definition image accuracy. The HDC 1.1 screen material is engineered to deliver consistent gain and wide viewing angles suited to demanding presentation environments. This unit is typically specified and installed by AV integrators and commercial contractors working in boardrooms, auditoriums, lecture halls, and large conference spaces.
The 89979L fits commercial projection environments where screen flatness and image uniformity are non-negotiable. The contour housing provides a finished architectural look suitable for ceiling or wall mounting in permanent installations. The HDC 1.1 surface is compatible with standard and short-throw projectors commonly deployed in commercial settings. This screen is sold as a single unit and is intended for professional installation rather than temporary or portable use.
Designed as an OEM-style replacement or direct specification unit for commercial motorized projection screen applications in permanent AV installations.
Installation should be performed by a qualified AV integrator or licensed contractor familiar with commercial projection screen mounting requirements. De-energize all low-voltage control circuits before making wiring connections to the motor drive. Mounting hardware and structural blocking must be rated to support the weight and span of the screen assembly. Verify ceiling or wall substrate load capacity before installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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