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NEC Display Solutions of America, Inc.
PA500U/PA500X/PA550W/PA600X Installation Guide
Desktop and Ceiling Mount Rev 1.7
www.necdisplay.com PA500U/PA500X/PA550W/PA600X Page 3 of 13
Formulas: 16:10 Aspect Ratio (PA550W—WXGA)
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 = 0.819W – 1.354 W = Image Width W = H x 16/10
NP12ZL: C(Wide) = 1.203W – 1.794 ------ C(Tele) = 1.564W – 1.794 H = Image Height (size) H = W x 10/16
NP13ZL: C(Wide) = 1.510W – 1.974 ------ C(Tele) = 3.014W – 1.972 C = Throw distance Screen Diagonal = W x 18.868/16
NP14ZL: C(Wide) = 3.005W – 4.844 ------ C(Tele) = 4.808W – 4.844
NP15ZL: C(Wide) = 4.751W – 7.630 ------ C(Tele) = 7.221W – 7.630
Distance Chart for popular 16:10 Screens (WXGA)
Rear Lens
NP11FL
Diagonal Width(W) Height (H) 0.8:1
inches inches inches inches
40 34 21 26.49 39.1 - 51.4 49.4 - 100.5 N/A N/A N/A N/A
60 51 32 40.42 59.6 - 78.0 75.0 - 151.7 148.4 - 240.4 234.7 360.6
67 57 36 45.33 66.8 - 87.4 84.1 - 169.8 166.4 - 269.2 263.2 404.0
72 61 38 48.61 71.6 - 93.6 90.1 - 181.9 178.5 - 288.4 282.2 432.9
84 71 45 56.80 83.6 - 109.3 105.2 - 212.0 208.5 - 336.5 329.7 - 505.1
90 76 48 60.89 89.6 - 117.1 112.8 - 227.1 223.5 - 360.6 353.4 - 541.2
100 85 53 68.26 100.5 - 131.1 126.4 - 254.2 250.6 - 403.8 396.2 - 606.2
120 102 64 82.18 120.9 - 157.7 152.0 - 305.5 301.7 - 485.6 477.0 - 728.9
150 127 79 102.66 151.0 - 196.8 189.8 - 380.8 376.8 - 605.8 595.7 - 909.4
180 153 95 NA 182.3 - 237.5 229.1 - 459.2 454.9 - 730.8 719.3 - 1097.2
210 178 111 NA 212.3 - 276.6 266.8 - 534.5 530.0 - 851.0 838.0 - 1277.7
240 204 127 NA 243.6 - 317.3 306.1 - 612.9 608.2 - 976.0 961.6 - 1465.5
270 229 143 NA 273.7 - 356.4 343.8 - 688.2 683.3 - 1096.2 1080.3 - 1646.0
300 254 159 NA 303.8 - 395.5 381.6 - 763.6 758.4 - 1216.4 1199.1 - 1826.5
400 339 212 NA 406.0 - 528.4 509.9 - 1019.8 1013.9 - 1625.1 1603.0 - 2440.3
500 424 265 NA 508.3 - 661.3 638.3 - 1276.0 1269.3 2033.7 2006.8 - 3054.1
Screen Size (16:10)
4.70 - 7.20:1
NP12ZL NP13ZL NP14ZL NP15ZL
2.97 -4.79:1
Zoom Lenses
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1.19 - 1.56:1 1.50 - 3.02:1
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