NEC LCDMT850 Installation Data

Also see for LCDMT850: User manual Installation data Installation data

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NEC LCDMT850 Installation Data Manual pdf 2 page image

Visual Systems DivisionTechnical BulletinMT850 Installation Datawith Optional MT13ZL Zoom Lens (1.3 – 1.6:1) Rev. 1.6Page 2Projection Distance and Screen Size for Ceiling MountThe following shows the proper relative positions of the projector and screen. Refer to the table to determine the position ofinstallation.Distances are in inches. For millimeters multiply by 25.4.Ceiling Mount InstallationCαScreen CtrScrn BottomScreen TopLens Ctr Throw DistanceACIN•@ •`1.7"Lens Offset fromMounting PipeDB9.3"5.8"Distance ChartNote:For screen sizes of 40 to 200 inches not indicated on the projection tables, use the formulas on page 1.B C D αDiagonal Width Height wide - tele wide - tele40" 32" 24" 10.3" 39.6" - 49.2" 1.7" 14.6° - 11.8°60" 48" 36" 15.4" 60.6" - 75.0" 2.6" 14.3° - 11.6°67" 53.6" 40.2" 17.2" 67.9" - 84.0" 2.9" 14.3° - 11.6°72" 57.6" 43.2" 18.5" 73.1" - 90.5" 3.1" 14.2° - 11.6°84" 67.2" 50.4" 21.6" 85.7" - 106.0" 3.6" 14.2° - 11.5°90" 72" 54" 23.2" 92.0" - 113.7" 3.8" 14.1° - 11.5°100" 80" 60" 25.7" 102.5" - 126.6" 4.3" 14.1° - 11.5°120" 96" 72" 30.9" 123.4" - 152.4" 5.1" 14.1° - 11.5°150" 120" 90" 38.6" 154.9" - 191.0" 6.4" 14.0° - 11.4°180" 144" 108" 46.3" 186.3" - 229.7" 7.7" 14.0° - 11.4°Screen Size