NEC Display Solutions of America, Inc.
PX700W/PX750U/PX800X Installation Guide
Desktop and Ceiling Mount Rev 1.0
www.necdisplay.com PX700W/PX750U/PX800X Page 2 of 12
Formulas: 16:10 Aspect Ratio (PX700W—WXGA)
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image siz
varies. For proper projector placement, determine the image width for a desired screen size.
e
Use the Screen Formulas below to
tion Formulas. calculate all screen dimensions. Plug in the image width for “W” in the Projec
Refer to the diagrams and charts for popular screen sizes on page 2 and 3:
Projection Formulas: Definitions: 16:10 Screen Formulas
e)
68/16
ulas
NP16FL: C = 0.812W – 1.961 W = Image Width W = H x 16/10
NP17ZL: C(Wide) = 1.346W – 2.201 ------ C(Tele) = 1.917W – 2.008 H = Image Height (siz H = W x 10/16
NP18ZL: C(Wide) = 1.852W – 2.811 ------ C(Tele) = 2.428W – 2.772 C = Throw distance Screen Diagonal = W x 18.8
NP19ZL: C(Wide) = 2.372W – 3.307 ------ C(Tele) = 3.937W – 3.272 16:9 Screen Form
Screen Diagonal = W x 18.358/16
istance Chart for popular 16:10 Screens (WXGA)
NP20ZL
: C(Wide) = 3.840W – 5.587 ------ C(Tele) = 5.771W – 5.567 W = H x 16/9
NP21ZL: C(Wide) = 5.743W – 12.213 ------ C(Tele) = 8.896W – 12.110
H = W x 9/16
D
Rear Lens
NP16FL
Diagonal Width(W) Height (H) 0.76:1
inches inches inches inches
40 34 21 25.32 40.8 - 62.4 59.4 - 78.8 76.4 129.0 123.4 188.3 222.3 286.8
60 51 32 39.61 63.4 - 96.1 92.0 - 121.5 118.1 - 198.3 191.0 289.9 351.8 443.4
67 58 36 44.81 71.6 - 108.4 103.9 - 137.1 133.3 - 223.5 215.6 326.8 398.9 500.3
72 61 38 47.41 75.7 - 114.5 109.8 - 144.9 140.9 - 236.1 227.9 345.3 422.4 528.8
84 72 45 56.50 90.0 - 136.0 130.5 - 172.0 167.5 - 280.2 270.9 - 409.9 504.8 - 628.4
90 77 48 60.40 96.2 - 145.2 139.4 - 183.7 178.9 - 299.1 289.3 - 437.6 540.1 - 671.1
100 85 53 66.90 106.4 - 160.6 154.2 - 203.1 197.8 - 330.6 320.0 - 483.8 599.0 - 742.3
120 102 64 81.19 129.0 - 194.3 186.8 - 245.9 239.6 - 399.9 387.6 - 585.4 728.5 - 898.8
150 126 79 100.68 159.7 - 240.3 231.3 - 304.1 296.5 - 494.4 479.8 - 723.9 905.0 - 1112.3
180 152 95 121.46 192.5 - 289.4 278.7 - 366.3 357.2 - 595.2 578.1 - 871.6 1093.4 - 1340.1
210 178 111 142.25 225.3 - 338.5 326.1 - 428.4 418.0 - 695.9 676.4 - 1019.4 1281.7 - 1567.8
240 203 127 163.04 258.1 - 387.5 373.5 - 490.6 478.7 - 796.7 774.7 - 1167.1 1470.0 - 1795.6
270 229 143 183.82 290.9 - 436.6 420.9 - 552.8 539.4 - 897.5 873.0 - 1314.8 1658.4 - 2023.3
NP21ZL
5.30-8.30:1
inches
Zoom Lenses
inches inches
1.29-1.79:1 1.73-2.27-1
inchesinches
Screen Size (16:10)
3.60-5.40:1
NP17ZL NP18ZL NP19ZL NP20ZL
2.22-3.67:1
30
0 254 159 204.61 323.7 - 485.7 468.3 - 614.9 600.1 - 998.3 971.3 - 1462.6 1846.7 - 2251.0
Distance Chart for popular 16:9 Screens (720p)
Rear Lens
NP16FL
Diagonal Width(W) Height (H) 0.76:1
inches inches inches inches
43 37 21 28.35 48.0 - 66.3 - 87.9 85.2 143.7 137.8 209.9 263.6 320.0
65 57 32 44.23 70.8 - 107.0 97.7 - 128.9 125.5 - 210.0 202.6 307.1 394.3 494.0
73 64 36 50.01 79.9 - 114.9 110.2 - 145.4 141.6 - 236.7 228.5 346.2 446.6 557.2
78 68 38 52.89 84.4 - 121.4 116.5 - 153.6 149.6 - 250.0 241.5 365.7 472.8 588.9
92 80 45 63.00 100.4 - 144.1 138.4 - 182.4 177.7 - 296.6 287.0 - 434.1 564.3 - 699.6
98 85 48 67.33 107.2 - 153.8 147.9 - 194.7 189.8 - 316.6 306.5 - 463.4 603.5 - 747.0
108 94 53 74.55 118.6 - 170.0 163.5 - 215.3 209.9 - 349.9 339.0 - 512.2 668.9 - 826.1
131 114 64 90.43 143.7 - 205.7 198.0 - 260.5 254.1 - 423.2 410.4 - 619.6 812.8 - 1000.1
161 140 79 112.08 177.8 - 254.4 245.1 - 322.2 314.4 - 523.1 507.9 - 766.0 1009.0 - 1237.3
194 169 95 135.18 214.3 - 306.3 295.2 - 388.0 378.7 - 629.7 611.8 - 922.2 1218.2 - 1490.3
226 197 111 158.27 250.7 - 358.2 345.4 - 453.8 443.0 - 736.3 715.7 - 1078.5 1427.5 - 1743.4
NP21ZL
5.30-8.30:1
259 226 127 181.37 287.1 - 410.1 395.6 - 519.6 507.3 - 842.9 819.7 - 1234.7 1636.8 - 1996.4
nc
es
Zoom Lenses
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es
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es
1.29-1.79:1 1.73-2.27-1
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es
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Screen Size (16:9)
3.60-5.40:1
NP17ZL NP18ZL NP19ZL NP20ZL
2.22-3.67:1
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