NEC Display Solutions of America, Inc.
PA653U/PA803U/PA853W/PA903X Installation Guide
Desktop and Ceiling Mount Rev 1.5
www.necdisplay.com PA653U/PA803U/PA853W/PA903X Page 4 of 14
Formulas: 16:10 Aspect Ratio (PA653U/PA803U—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
NP11FL: C = 0.807W – 1.354 W = Image Width W = H x 16/10
NP12ZL: C(Wide) = 1.185W – 1.794 ------ C(Tele) = 1.541W – 1.794 H = Image Height (size) H = W x 10/16
NP13ZL: C(Wide) = 1.488W – 1.974 ------ C(Tele) = 2.970W – 1.972 C = Throw distance Screen Diagonal = W x 18.868/16
NP14ZL: C(Wide) = 2.961W – 4.844 ------ C(Tele) = 4.737W – 4.844
NP30ZL: C(Wide) = 0.808W – 1.537 ------ C(Tele) = 1.054W – 1.537
NP40ZL: C(Wide) = 0.807W – 1.535 ------ C(Tele) = 1.131W – 1.632
NP41ZL: C(Wide) = 1.323W – 1.763 ------ C(Tele) = 3.034W – 1.539
NP42ZL: C(Wide) = 2.929W + 5.143 ------ C(Tele) = 5.878W + 4.320
Distance Chart for popular 16:10 Screens (WUXGA)
Note: For screen sizes not indicated in projection tables, refer to formulas above respective charts.
inches inches inches inches
40 34 21 26.02 25.9 - 34.2 38.4 - 50.5 48.5 - 98.8 95.6 - 155.8 25.8 - 36.7 43.1 - 101.4 104.5 - 203.7
60 51 32 39.71 39.6 - 52.1 58.5 - 76.6 73.7 - 149.1 145.8 - 236.2 39.5 - 55.9 65.6 - 152.8 154.2 - 303.4
67 57 36 44.50 44.4 - 58.3 65.5 - 85.8 82.6 - 166.8 163.4 - 264.3 44.3 - 62.6 73.4 - 170.8 171.6 - 338.3
72 61 38 47.92 47.8 - 62.8 70.6 - 92.3 88.9 - 179.4 175.9 - 284.4 47.7 - 67.4 79.0 - 183.7 184.0 - 363.2
84 71 45 56.13 56.0 - 73.5 82.6 - 108.0 104.0 - 209.6 206.1 - 332.6 55.9 - 78.9 92.5 - 214.6 213.8 - 423.0
94 80 50 62.97 62.9 - 82.5 92.7 - 121.0 116.6 - 234.8 231.2 - 372.8 62.8 - 88.5 103.7 - 240.3 238.6 - 472.9
100 85 53 67.08 67.0 - 87.8 98.7 - 128.9 124.2 - 249.9 246.2 - 396.9 66.9 - 94.3 110.4 - 255.7 253.5 - 502.8
120 102 64 80.77 80.7 - 105.7 118.8 - 155.0 149.4 - 300.3 296.5 - 477.2 80.6 - 113.5 132.9 - 307.2 303.2 - 602.5
150 127 79 NA 101.2 - 132.5 148.9 - 194.2 187.3 - 375.8 371.8 - 597.7 101.1 - 142.2 166.5 - 384.4 377.7 - 752.0
180 153 95 NA 121.8 - 159.3 179.1 - 233.4 225.2 - 451.4 447.1 - 718.2 121.6 - 171.0 200.2 - 461.6 452.2 - 901.5
210 178 111 NA 142.4 - 186.2 209.2 - 272.6 263.0 - 526.9 522.4 - 838.7 142.2 - 199.8 233.8 - 538.8 526.7 - 1051.1
240 204 127 NA 162.9 - 213.0 239.4 - 311.8 300.9 - 602.5 597.8 - 959.2 162.7 - 228.5 267.5 - 615.9 601.3 - 1200.6
270 229 143 NA 183.5 - 239.8 269.5 - 351.0 338.7 - 678.0 673.1 - 1079.7 183.2 - 257.3 301.1 - 693.1 675.8 - 1350.1
300 254 159 NA 204.0 - 266.6 299.7 - 390.2 376.6 - 753.6 748.4 - 1200.2 203.8 - 286.1 334.8 - 770.3 750.3 - 1499.7
400 339 212 NA 272.5 - 356.0 400.2 - 520.9 502.8 - 1005.4 999.5 - 1601.9 272.2 - 382.0 447.0 - 1027.6 998.7 - 1998.1
500 424 265 NA 341.1 - 445.4 500.6 - 651.6 628.9 1257.3 1250.6 - 2003.6 340.6 - 477.9 559.2 - 1284.9 1247.0 - 2496.6
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