NEC VT440K Installation Data

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NEC VT440K Installation Data Manual pdf 2 page image

Visual Systems DivisionTechnical BulletinMultiSync VT440/540 Installation DataDesktop and Ceiling Mount Rev. 1.5Page 2Projection Distance and Screen Size for DesktopThe 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.Desktop SetupCDαThrow DistanceScreen TopScreen CtrEProjector FeetPJ FeetScrn BottomDistance ChartNote:For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.C αα E DDiagonal Width Height wide - tele wide - tele40" 32" 24" 61.3" - 73.5" 8.93° - 7.46° 12.1" 0.1"60" 48" 36" 92.7" - 111.3" 8.85° - 7.39° 16.9" 1.3"67" 53.6" 40.2" 103.8" - 124.5" 8.83° - 7.38° 18.6" 1.8"72" 57.6" 43.2" 111.6" - 134.0" 8.82° - 7.37° 19.8" 2.1"84" 67.2" 50.4" 130.5" - 156.6" 8.80° - 7.35° 22.7" 2.9"90" 72" 54" 140.0" - 168.0" 8.79° - 7.35° 24.1" 3.2"100" 80" 60" 155.7" - 186.9" 8.78° - 7.34° 26.5" 3.9"120" 96" 72" 187.2" - 224.6" 8.77° - 7.32° 31.3" 5.1"150" 120" 90" 234.4" - 281.3" 8.75° - 7.31° 38.6" 7.1"180" 144" 108" 281.7" - 338.0" 8.74° - 7.30° 45.8" 9.0"210" 168" 126" 328.9" - 394.7" 8.73° - 7.30° 53.0" 10.9"240" 192" 144" 376.1" - 451.4" 8.73° - 7.29° 60.2" 12.8"270" 216" 162" 423.4" - 508.0" 8.72° - 7.29° 67.4" 14.7"300" 240" 180" 470.6" - 564.7" 8.72° - 7.28° 74.6" 16.6"Screen Size