Visual SystemsVT45 Installation DataDesktop and Ceiling Mount Rev 1.3Page 1ContentsProduct Description, Lens Specs, Notes and Formulas Page 1Projection Distances and Screen SizesCeiling Mount Installation Page 2Desktop Setup Page 3Lens Shift Adjustable Range Page 4Cabinet DimensionsTop, Front and Right View Page 5Bottom, Back and Left View Page 6Ceiling Mount DimensionsTop, Front Left and Bottom View Page 7PC Control Codes Page 8Product DescriptionType: 3 panel, 0.7” p-Si TFT LCD projector Dimensions: 11.8”(W) x 3.5”(H) x 8.1”(D)Native Resolution: 800 x 600 Weight: 5.6 lbsBrightness: 1000 ANSI Lumens Manual Lens Shift/Manual Zoom/Manual FocusLens SpecificationsThrow Ratio: 1.82 - 2.01:1 Focal Length: 26.6mm – 29.3mmScreen Sizes: 25”-300” F/#: 2.0 – 2.2Distortion: 0.7% TV Dist. MTF(@40lp/mm Gr): Ctr>60% Crnr>50%Chrom. Aberration: Max 8 micronNotes For screen sizes not indicated on the projection tables, use the formulas below. If the figures on the tables do not match the results of formulas, use the figures in the table. The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any localbuilding codes.• All calculations are based on 4:3 aspect ratio.• Distances are in inches, for millimeters multiply by 25.4.• Distances may vary ±5%.FormulasUnits: Inches (for millimeters multiply final number by 25.4)D = Screen Diagonal (4:3)H = D x 0.8 H = Screen Width (4:3)V = D x 0.6 V = Screen Height (4:3)C = Throw distanceC (Wide) = 1.8487H – 1.237C (Tele) = 2.0349H – 1.298