ENGLISH-5ENGLISHINSTALLATIONINSTALLATIONInstallation of the Projector and ScreenRefer to the drawing and table below for determining the screen size and projection distance.Angle AdjustmentUse the foot adjusters on the bottom ofthe projector to adjust the projectionangle. It is variable within 0˚ to 10˚approximately.1. Lift up the front side of the projector,and pressing the foot adjuster button,adjust the projection angle.2. Release the button to lock at thedesired angle.3. Make the rear foot adjuster screw toadjust the left-right slope.The projection distances shown in the table beloware for full size (MP7640i : 800 x 600 dots /MP7740i : 1024 x 768 dots).a: Distance from the projector to the screen. (±10%)b: Distance from the lens center to the bottom of thescreen. (±10%)Table 1. Installation ReferenceScreenCAUTION • Install the projector in a suitable environment according toinstructions of the accompanying manual “Product Safety Guide” and thismanual.• Please basically use liquid crystal projector at the horizontal position. If you useliquid crystal projector by the lens up position, the lens down position and the side upposition, this may cause the heat inside to build up and cause damage. Be especiallycareful not to install it with ventilation holes blocked.• Do not install LCD projector in smoke effected environment. Smoke residue maybuildup on critical parts (i.e.LCD panel, Lens Assy etc.).CAUTION • Do not release the foot adjuster button unless the projector isbeing held; otherwise, the projector could overturn or fingers could getcaught and cause personal injury.TOP VIEWSIDE VIEWabFoot AdjusterPress the foot adjuster button Rear Foot AdjusterLenscenterScreen size[inches (m)]a [inches (m)] b[inches (cm)]Min. Max.40 (1.0) 37 (0.9) 46 (1.2) 3 (8.7)60 (1.5) 57 (1.5) 69 (1.8) 5 (13.1)80 (2.0) 77 (1.9) 93 (2.4) 7 (17.4)100 (2.5) 96 (2.4) 116 (2.9) 9 (21.8)120 (3.0) 116 (2.9) 139 (3.5) 10 (26.1)150 (3.8) 145 (3.7) 174 (4.4) 13 (32.7)200 (5.0) 194 (4.9) 233 (5.9) 17 (43.5)3M™ Multimedia Projector MP7740i© 3M 2002. All Rights Reserved.