BenQ PE8700 User Manual - Page 11

Floor Installation Wall BenQ PE8700 User's Manual Offet Height Center of the lens Lower edge of the screen Distance Height- Offet Floor Distance : Projection distance (the distance between the projection lens and the screen. ) Height : The vertical height of the screen lower edge. Offset : The difference in height between the center of the projection lens and the lower edge of the projection image at zoom tele. (The projector should be installed horizontally.) 1. Choose the screen width you desire from the chart below, installing the projector at a distance from the screen between the Minimum and Maximum Distance. (Minimum Distance = 1.36 x Screen Width, Maximum Distance = 1.66 x Screen Width) 2. Fine-tune the projection image size with the zoom and focus rings on the projection lens. 3. Decide on the exact height you desire for the center of the screen's Height. 4. Place the projector on a table with a suitable height (Height - Offset) to meet your requirements, to avoid any keystone distortion. 5. Alternatively, use the adjusters to fine-tune the projection angle to meet your requirements, and then use the keystone correction function to compensate for any distortion. 16:9 (720P mode) (inch) Screen Width (W) 40.0 Screen Height (H) 22.5 Screen Diagonal (D) 45.9 Distance Minimum (W *1.36) 54.4 Maximum (W *1.66) 66.4 Offset (H *1.44) (mm) 32.4 60.0 80.0 90.0 100.0 110.0 120.0 130.0 140.0 160.0 180.0 200.0 33.8 45.0 50.6 56.3 61.9 67.5 73.1 78.8 90.0 101.3 112.5 68.9 91.8 103.3 114.8 126.2 137.7 149.2 160.7 183.6 206.6 229.5 81.6 108.8 122.4 136.0 149.6 163.2 176.8 190.4 217.6 244.8 272.0 99.6 132.8 149.4 166.0 182.6 199.2 215.8 232.4 265.6 298.8 332.0 48.6 64.8 72.9 81.0 89.1 97.2 105.3 113.4 129.6 145.8 162.0 2. Installation 11