NEC Display Solutions of America, Inc.
PA653UL & PA803UL Installation Guide
Desktop and Ceiling Mount Rev 1.3
www.necdisplay.com PA653UL/PA803UL Page 2 of 11
Formulas: 16:10 Aspect Ratio (WUXGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image size
varies. For proper projector placement, determine the image width for a desired screen size. Use the Screen Formulas below to
calculate all screen dimensions. Plug in the image width for “W” in the Projection Formulas.
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas: Definitions: 16:10 Screen Formulas
NP40ZL: C(Wide) = 0.807W – 1.535 ------ C(Tele) = 1.131W – 1.632 W = Image Width W = H x 16/10
NP41ZL: C(Wide) = 1.323W – 1.763 ------ C(Tele) = 3.034W – 1.539 H = Image Height (size) H = W x 10/16
NP43ZL: C(Wide) = 2.929W + 5.143 ------ C(Tele) = 5.878W + 4.320 C = Throw distance Screen Diagonal = W x 18.868/16
Horizontal Lens Shift Max (Right) = 0.15W
Horizontal Lens Shift Max (Left) = 0.-15W
Distance Chart for popular 16:10 Screens (WUXGA)
Note: For screen sizes not indicated in projection tables, refer to formulas above respective charts.
60 51 32 39.6 - 56.0 65.7 - 153.2 10.2 - -10.2 154.5 - 304.1 16.3 - -16.3
67 57 36 44.5 - 62.8 73.6 - 171.4 11.4 - -11.4 172.1 - 339.4 18.2 - -18.2
72 61 38 47.7 - 67.4 78.9 - 183.5 12.2 - -12.2 183.8 - 362.9 19.5 - -19.5
84 71 44 55.8 - 78.7 92.2 - 213.9 14.2 - -14.2 213.1 - 421.7 22.7 - -22.7
90 76 48 59.8 - 84.3 98.8 - 229.0 15.2 - -15.2 227.7 - 451.0 24.3 - -24.3
100 85 53 67.1 - 94.5 110.7 - 256.4 17.0 - -17.0 254.1 - 504.0 27.2 - -27.2
120 102 64 80.8 - 113.7 133.2 - 307.9 20.4 - -20.4 303.9 - 603.9 32.6 - -32.6
150 127 79 101.0 - 142.0 166.3 - 383.8 25.4 - -25.4 377.1 - 750.8 40.6 - -40.6
180 153 96 121.9 - 171.4 200.7 - 462.7 30.6 - -30.6 453.3 - 903.7 49.0 - -49.0
210 178 111 142.1 - 199.7 233.7 - 538.5 35.6 - -35.6 526.5 - 1050.6 57.0 - -57.0
241 204 128 163.1 - 229.1 268.1 - 617.4 40.8 - -40.8 602.7 - 1203.4 65.3 - -65.3
270 229 143 183.3 - 257.4 301.2 - 693.2 45.8 - -45.8 675.9 - 1350.4 73.3 - -73.3
300 254 159 203.4 - 285.6 334.3 - 769.1 50.8 - -50.8 749.1 - 1497.3 81.3 - -81.3
400 339 212 272.0 - 381.8 446.7 - 1027.0 67.8 - -67.8 998.1 - 1997.0 108.5 - -108.5
500 424 265 340.6 - 477.9 559.2 - 1284.9 84.8 - -84.8 1247.0 - 2496.6 135.7 - -135.7
Horizontal Lens
Shift
(NP40ZL/NP41ZL)
Horizontal Lens
Shift (NP43ZL)
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