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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 2 of 13
Formulas: 4:3 Aspect Ratio (PA500X/PA600X—XGA)
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: 4:3 Screen Formulas:
NP11FL: C = 0.827W – 1.374 W = Image Width W = H x 4/3
NP12ZL: C(Wide) = 1.214W – 1.794 ------ C(Tele) = 1.578W – 1.794 H = Image Height (size) H = W x 3/4
NP13ZL: C(Wide) = 1.524W – 1.974 ------ C(Tele) = 3.043W – 1.972 C = Throw distance Diagonal = W x 5/4
NP14ZL: C(Wide) = 3.034W – 4.844 ------ C(Tele) = 4.855W – 4.844
NP15ZL: C(Wide) = 4.797W – 7.630 ------ C(Tele) = 7.291W – 7.630
Note: Tilting the front of the projector up or down by more than 45° from level could reduce lamp life by up to 20%.
Distance Chart for popular 4:3 screens
Rear Lens
NP11FL
Diagonal Width(W) Height (H) 0.8:1
inches inches inches inches
40 32 24 25.09 37.05 - 48.7 46.8 - 95.40 92.2 150.5
60 48 36 38.32 56.48 - 74.0 71.2 - 144.09 140.8 - 228.2 222.5 - 342.3
67 53.6 40.2 42.95 63.28 - 82.8 79.7 - 161.13 157.8 - 255.4 249.4 - 383.2
72 57.6 43.2 46.26 68.13 - 89.1 85.8 - 173.30 169.9 - 274.8 268.5 - 412.3
84 67.2 50.4 54.20 79.79 - 104.2 100.4 - 202.52 199.0 - 321.4 314.6 - 482.3
90 72 54 58.17 85.61 - 111.8 107.8 - 217.12 213.6 - 344.7 337.6 - 517.3
100 80 60 64.79 95.33 - 124.4 119.9 - 241.47 237.9 - 383.6 376.0 - 575.7
120 96 72 78.02 114.75 - 149.7 144.3 - 290.16 286.4 - 461.2 452.7 - 692.3
150 120 90 97.87 143.89 - 187.6 180.9 - 363.19 359.2 - 577.8 567.9 - 867.3
180 144 108 NA 173.02 - 225.4 217.5 - 436.22 432.1 - 694.3 683.0 - 1042.3
210 168 126 NA 202.16 - 263.3 254.1 - 509.25 504.9 - 810.8 798.1 - 1217.3
240 192 144 NA 231.29 - 301.2 290.6 - 582.28 577.7 - 927.3 913.3 - 1392.2
270 216 162 NA 260.43 - 339.1 327.2 - 655.32 650.5 - 1043.8 1028.4 - 1567.2
300 240 180 NA 289.57 - 376.9 363.8 - 728.35 723.3 - 1160.4 1143.5 - 1742.2
400 320 240 NA 386.69 - 503.2 485.7 - 971.79 966.0 - 1548.8 1527.3 - 2325.5
500 400 300 NA 483.81 - 629.4 607.6 - 1215.23 1208.8 1937.2 1911.0 - 2908.8
inches inches
NA
1.19 - 1.56:1 1.50 - 3.02:1
inchesinches
Screen Size (4:3)
4.70 - 7.20:1
NP12ZL NP13ZL NP14ZL NP15ZL
2.97 -4.79:1
Zoom Lenses