B. Scheimpflug Lens AdjustmentB. SCHEIMPFLUG LENS ADJUSTMENTThe Scheimpflug Lens Version is available as an option.B.1 IntroductionWhy performing the Scheimpflug Adjustment?Scheimpflug Adjustment is needed If an image is still unsharp, even after the focus adjustment.This means the image lies in a plane which is not parallel to the screen plane, as the deviation between the image plane and thescreen plane can be in both the Top-Bottom and Left-Right directions, it is necessary to proceed in two distinct steps in followingorder).Scheimpflug Adjustment OverviewScheimpflugAdjustmentTop-BottomScheimpflugAdjustmentNoYesImage is sharpeverywhere?ScheimpflugAdjustmentis not necessaryCentre-Topof the imageis focused in frontof the screen?NoYesCentre-TopScheimpflugAdjustmentCentre-BottomScheimpflugAdjustmentLeft-RightScheimpflugAdjustmentCentre-Leftof the imageis focused in frontof the screen?NoYesCentre-LeftScheimpflugAdjustmentScheimpflugCentre-RightAdjustmentImage B-1Scheimpflug Adjustment OverviewNecessary Tools• Piece of white cardboard.• Open ended spanner 8 mm.B.2 Top–Bottom Scheimpflug AdjustmentHow to start the Top–Bottom Scheimpflug Adjustment?1. Find out whether the centre-top or centre-bottom area of the image is focused in front of the screen. To do this, hold the pieceof white cardboard parallel to the screen plane and displace it from the screen towards the projector, along the line joining thecentre of the screen and the projection lens.2. Is the centre-top area of the image focused in front of the screen?If yes, Proceed with the Centre–Top Scheimpflug Adjustment.If no, The centre-bottom area of the image is focused in front of the screen, proceed with the Centre–Bottom Scheimpflug Ad-justment.R5976870 BARCOREALITY SIM 5PLUS/SIM 5R 04/04/2007 223
