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User manual NEC LT100T INSTALLATION DATA

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Visual Systems Division Technical Bulletin MultiSync® LT100 Installation Data Desk Top and Ceiling Mount Contents Notes and Formulas Projection Distances and Screen Sizes Ceiling Mount Desktop Setup Cabinet Dimensions Ceiling Mount Dimensions Page 2 Page 3 Page 4 Page 5 Page 1 Notes § § § § § For Screen Sizes of 24 to 300 inches not indicated on the projection tables, use the formulas below. Set the projection distance based on the width of the screen. If the figures on the tables do not match the figures in the formulas, use the figures in the table. All dimensions are in inches. Multiply by 25.4 for millimeters. Distances may vary +/- 5%. Formulas Units: Inches A = C / COS B = 3.7H / 25.4 C (WIDE) = (H x 2.026) ­ 2.437 C (TELE) = C (WIDE) x 1.3 = TAN -1 ((W x 0.375) + B) / C H = Screen Width Screen Width (H) = Screen Diagonal (4:3) x 4 / 5 Screen Height = Screen Diagonal (4:3) x 3 / 5 A = Distance between lens center and screen center B = Vertical distance between lens center and screen bottom (screen top for ceiling mount) C = Horizontal throw distance between screen surface and projector lens = Offset Angle of image path center line with reference to desktop or ceiling Page1 Visual Systems Division Technical Bulletin MultiSync® LT100 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Ceiling Mount The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Ceiling Mount System C 5.85" Deluxe Mount 8.20" Screen Top B A Screen Center Horizontal Lens Offset 1.63" Distance Chart Screen Size Diagonal 40" 60" 67" 72" 84" 90" 100" 120" 150" 180" 210" 240" 270" 300" Width 32" 48" 53.6" 57.6" 67.2" 72" 80" 96" 120" 144" 168" 192" 216" 240" A wide - tele 65.2" - 84.4" 97.8" - 126.5" 109.8" - 140.8" 118.2" - 151.5" 138.2" - 177.3" 148.3" - 190.8" 164.8" - 212.8" 198.5" - 255.2" 248.7" - 319.6" 298.9" - 384.0" 349.0" - 448.0" 399.2" - 512.7" 449.4" - 577.2" 500.2" - No Tele B 4.7" 7.0" 7.8" 8.4" 9.8" 10.5" 11.7" 14.0" 17.5" 21.0" 24.5" 28.0" 31.5" 35.0" C wide - tele 63.0" - 82.7" 94.5" - 124.0" 106.2" - 138.0" 114.3" - 148.5" 133.7" - 173.8" 143.5" - 187.1" 159.4" - 208.7" 192.1" - 250.3" 240.7" - 313.4" 289.3" - 376.6" 337.9" - 439.3" 386.5" - 502.9" 435.1" - 566.1" 484.3" - No Tele wide - tele 14.8° - 11.4° 14.8° - 11.4° 14.8° - 11.4° 14.7° - 11.4° 14.7° - 11.4° 14.6° - 11.3° 14.6° - 11.3° 14.6° - 11.3° 14.6° - 11.3° 14.5° - 11.3° 14.5° - 11.3° 14.5° - 11.2° 14.5° - 11.2° 14.5° - No Tele Note: For screen sizes of 24 to 300 inches not indicated on the projection tables, use the formulas on page 1. Page2 Visual Systems Division Technical Bulletin MultiSync® LT100 Installation Data Desk Top and Ceiling Mount Projection Distance and Screen Size for Desktop The following diagram shows the relationship between projector position and the screen. Desktop System C Screen Center A Screen Bottom B Desk Top Level 3.80" Distance Chart Screen Size Diagonal 40" 60" 67" 72" 84" 90" 100" 120" 150" 180" 210" 240" 270" 300" Width 32" 48" 53.6" 57.6" 67.2" 72" 80" 96" 120" 144" 168" 192" 216" 240" A wide - tele 65.2" - 84.4" 97.8" - 126.5" 109.8" - 140.8" 118.2" - 151.5" 138.2" - 177.3" 148.3" - 190.8" 164.8" - 212.8" 198.5" - 255.2" 248.7" - 319.6" 298.9" - 384.0" 349.0" - 448.0" 399.2" - 512.7" 449.4" - 577.2" 500.2" - No Tele B 4.7" 7.0" 7.8" 8.4" 9.8" 10.5" 11.7" 14.0" 17.5" 21.0" 24.5" 28.0" 31.5" 35.0" C wide - tele 63.0" - 82.7" 94.5" - 124.0" 106.2" - 138.0" 114.3" - 148.5" 133.7" - 173.8" 143.5" - 187.1" 159.4" - 208.7" 192.1" - 250.3" 240.7" - 313.4" 289.3" - 376.6" 337.9" - 439.3" 386.5" - 502.9" 435.1" - 566.1" 484.3" - No Tele wide - tele 14.8° - 11.4° 14.8° - 11.4° 14.8° - 11.4° 14.7° - 11.4° 14.7° - 11.4° 14.6° - 11.3° 14.6° - 11.3° 14.6° - 11.3° 14.6° - 11.3° 14.5° - 11.3° 14.5° - 11.3° 14.5° - 11.2° 14.5° - 11.2° 14.5° - No Tele Note: For screen sizes of 24 to 300 inches not indicated on the projection tables, use the formulas on page 1. Page3 Visual Systems Division Technical Bulletin MultiSync® LT100 Installation Data Desk Top and Ceiling Mount Cabinet Dimensions The following drawings show the cabinet dimensions for the MultiSync LT100. Dimensions are in inches. For millimeters multiply by 25.4. Page4 Visual Systems Division Technical Bulletin MultiSync® LT100 Installation Data Desk Top and Ceiling Mount Ceiling Mount Dimensions The following drawings show the dimensions for the MultiSync LT100 Deluxe Ceiling Mount. Dimensions are in inches. For millimeters multiply by 25.4. Page5 ...
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