Model B® with CSR... Offered exclusively by Da-Lite, the Controlled Screen Return (CSR) system adds an impressive feature to the ever-popular Model B design.
The CSR system ensures the quiet controlled return of the screen into the case providing optimal performance and smooth, consistent operation. Screens with the CSR feature must be fully extended. There are not intermediate stopping positions.
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