Chapter 2 Getting Started — Setting upENGLISH - 33Vertical arc correction (viewed from the side) Horizontal arc correction (viewed from above)ScreenProjection distanceArc radiusScreenProjection distanceArc radiusScreenProjection distanceArc radiusArc centerScreenProjection distanceArc radiusArc centerModel No.Only [KEYSTONE] used [KEYSTONE] and [CURVED CORRECTION]used togetherOnly [CURVEDCORRECTION] usedVerticalkeystonecorrectionangle α (°)Horizontalkeystonecorrectionangle β (°)Verticalkeystonecorrectionangle α (°)Horizontalkeystonecorrectionangle β (°)Min. value ofR2/L2Min. value ofR3/L3Min. value ofR2/L2Min. value ofR3/L3PT-FZ570 ±25 ±30 ±20 ±15 1.4 2.9 0.7 1.6PT-FW530 ±35 ±35 ±35 ±35 1.0 1.0 1.0 1.0PT-FX500 ±35 ±35 ±35 ±35 0.8 0.9 0.8 0.9Notef When [SCREEN ADJUSTMENT] is used, the focus of the entire screen may be lost as correction increases.f Make the curved screen a circular arc shape with one part of a perfect circle removed.Projection distanceA ± 5% error in listed projection distances may occur.In addition, when [SCREEN ADJUSTMENT] is used, distance is corrected to become smaller than the specifiedscreen size.For PT-FZ570, PT-FW530(Unit: m)Projectionscreensize16:10 aspect ratio 16:9 aspect ratio 4:3 aspect ratioDiagonal(SD)Minimumdistance(LW)Maximumdistance(LT)Distance from thelens center to theimage's bottomedge (H)Minimumdistance(LW)Maximumdistance(LT)Distance from thelens center to theimage's bottomedge (H)Minimumdistance(LW)Maximumdistance(LT)Distance from thelens center to theimage's bottomedge (H)1.02 (40") 1.03 1.94 -0.054 ~ 0.595 1.06 1.99 -0.083 ~ 0.583 1.17 2.20 -0.061 ~ 0.6711.27 (50") 1.29 2.42 -0.067 ~ 0.740 1.33 2.49 -0.104 ~ 0.726 1.47 2.75 -0.076 ~ 0.8381.52 (60") 1.55 2.91 -0.081 ~ 0.886 1.60 2.99 -0.124 ~ 0.869 1.76 3.30 -0.091 ~ 1.0031.78 (70") 1.82 3.41 -0.094 ~ 1.038 1.88 3.51 -0.145 ~ 1.018 2.07 3.86 -0.107 ~ 1.1752.03 (80") 2.09 3.89 -0.108 ~ 1.183 2.14 4.00 -0.166 ~ 1.160 2.37 4.41 -0.122 ~ 1.340