Chapter 2 Getting Started — Setting upENGLISH - 33r For fixed-focus lens (Model No.: ET-DLE030)SHSWSDSHA1L3L4A2L1L2SWProjected imageScreenScreen(Unit: m)SH Projected image heightSW Projected image widthSD Projected image sizeL1 Projection distance (from the screen to the mirror reflection surface*1 )L2 Distance between the projector and the screen (from the screen to the tip of the lens)L3 Distance between the projector and the screen (from the screen to the front surface of the projector)L4 Distance between the projector and the screen (from the screen to the rear surface of the projector)A1 Distance between the projector and the screen (from the screen bottom edge to the projector top)A2 Distance between the projector and the screen (from the screen bottom edge to the projector bottom)*1 The mirror reflection surface cannot be seen from the outside because it is located inside the fixed-focus lens.(Unit: m)Distance between projectorand screen FormulaL2 = L1 *1 + 0.023L3 = L1*1 - 0.146L4 = L1*1 - 0.644A2 = A1*1 + 0.175*1 For details of calculating values, refer to “Formula to calculate projection distance per projection lens” (x page 44).Attentionf Before setting up, read “Precautions for use” (x page 18).Especially when the fixed-focus lens (Model No.: ET-DLE030) is used, install the projector so its back plane is parallel to the screen so theprojected image is rectangular.The vertical keystone distortion in moderate range can be corrected by the [POSITION] menu → [GEOMETRY] → [KEYSTONE] →[VERTICAL KEYSTONE] (x page 86) even after it is installed. For the range that can be corrected, refer to “[GEOMETRY] projectionrange” (x page 34).f Do not use the projector and the high-powered laser equipment in the same room. The DLP chips can be damaged if a laser beam hits theprojection lens surface.