17InstallationFor projector positioning, see the figures below. The projector should be set perpendicularly to the plane of the screen. (forPLC-WM4500)PNote:• The brightness in the room has a great influence on picture quality. It is recommended to limit ambientlighting in order to obtain the best image.• All measurements are approximate and may vary from the actual sizes.Positioning the ProjectorLens Shift AdjustmentProjection lens can be moved from side to side and up and down with the motor-driven lens shift function. This functionmakes the positioning of images easy on the screen. (See page 27)100”47.2’(14.4 m)35.4’(10.8 m)23.6’ (7.2 m)11.8’ (3.6 m)200”300”400”250”188”125”63”40”Max. ZoomMin. ZoomScreen Size(W x H) mm16:10 aspect ratioZoom (min.)40”Zoom (max.)862 x 5384.5'(1.4 m)7.9'(2.4 m)100”2154 x 134611.8’ (3.6 m)19.7' (6.0 m)200”4308 x 269223.6’ (7.2 m)40.0' (12.2 m)300”6462 x 403935.4’(10.8 m)60.0' (18.3 m)400”8616 x 538547.2’(14.4 m)80.1' (24.4 m)(Inch Diagonal)(Center)80.1' (24.4 m)400”4.5'(1.4 m)60%10%Lens shift center position Shift rangeThe display positioncan be shifted upwardup to 60% elevation ofthe display.The display position canbe shifted downward upto 60% low level of thedisplay.The display position canbe shifted to the left inup to 10% width of thedisplay.The display position canbe shifted to the right inup to 10% width of thedisplay.When the lens is shifted to top. When the lens is shifted to bottom.When the lens is shifted to leftmost. When the lens is shifted to rightmost.Lens shift adjustable range