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PX803UL Installation Guide Desktop and Ceiling Mount NEC Display Solutions of America, Inc. Rev 1.0 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: NP39ML: C=0.351W-2.362 NP16FL: C = 0.794W - 1.85 NP17ZL: C(Wide) = 1.281W - 2.094 ------ C(Tele) = 1.825W - 1.913 NP18ZL: C(Wide) = 1.764W - 2.677 ------ C(Tele) = 2.313W - 2.638 NP19ZL: C(Wide) = 2.261W - 3.150 ------ C(Tele) = 3.747W - 3.114 NP20ZL: C(Wide) = 3.654W - 5.319 ------ C(Tele) = 5.492W - 5.299 NP21ZL: C(Wide) = 5.469W - 11.626 ---- C(Tele) = 8.527W - 11.531 NP31ZL: C(Wide) = 0.775W - 1.839 ------ C(Tele) = 0.970W - 1.740 Definitions: W = Image Width H = Image Height (size) C = Throw distance 16:10 Screen Formulas W = H x 16/10 H = W x 10/16 Screen Diagonal = W x 18.868/16 16:9 Screen Formulas W = H x 16/9 H = W x 9/16 Screen Diagonal = W x 18.358/16 Distance Chart for popular 16:10 Screens (WUXGA) Screen Size (16:10) UST Lens Rear Lens NP39ML NP16FL Diagonal Width(W) Height (H) 0.38:1 0.76:1 inches inches inches inches inches 40 34 21 11.55 24.83 60 51 32 18.83 38.80 68 58 36 21.48 43.88 72 61 38 22.80 46.43 85 72 45 27.44 55.32 108 92 57.5 35.72 71.20 113 96 60 37.37 74.37 130 110 69 43.33 85.81 137 116 72.5 45.65 90.25 164 139 87 55.26 108.67 189 160 100 63.86 125.19 208 176 110 70.49 137.89 226 192 120 77.11 150.60 270 229 143 92.34 179.82 300 254 159 102.94 NA 500 424 265 NA NA NP31ZL 0.75-0.93:1 inches 24.2 - 30.7 37.8 - 47.7 42.8 - 53.9 45.3 - 57.0 54.0 - 67.8 69.5 - 87.1 72.6 - 91.0 83.7 - 104.9 88.1 - 110.3 106.0 - 132.7 122.2 - 152.8 134.6 - 168.3 147.0 - 183.7 175.5 - 219.3 195.0 - 243.6 326.8 - 407.8 NP17ZL 1.29-1.79:1 inches 40.9 - 59.4 63.5 - 91.5 71.7 - 103.2 75.8 - 109.0 90.1 - 129.5 115.8 - 166.0 120.9 - 173.3 139.3 - 199.6 146.5 - 209.8 176.2 - 252.1 202.9 - 290.1 223.4 - 319.3 243.9 - 348.5 291.0 - 415.6 376.0 - 752.4 628.9 - 1257.3 Zoom Lenses NP18ZL NP19ZL NP20ZL 1.73-2.27-1 2.22-3.67:1 3.60-5.40:1 inches inches inches 56.6 - 75.1 72.8 - 122.8 117.5 - 179.2 87.6 - 115.8 112.6 - 188.7 181.8 - 275.9 98.9 - 130.6 127.1 - 212.7 205.2 - 311.0 104.6 - 138.0 134.3 - 224.7 216.8 - 328.6 124.3 - 163.9 159.6 - 266.7 257.8 - 390.1 159.6 - 210.2 204.9 - 341.6 330.8 - 500.0 166.7 - 219.4 213.9 - 356.6 345.5 - 521.9 192.1 - 252.7 246.5 - 410.6 398.1 - 601.0 201.9 - 265.7 259.1 - 431.5 418.5 - 631.8 242.9 - 319.3 311.6 - 518.5 503.3 - 759.2 279.6 - 367.4 358.6 - 596.4 579.3 - 873.4 307.8 - 404.5 394.8 - 656.4 637.8 - 961.3 336.0 - 441.5 431.0 - 716.3 696.2 - 1049.2 400.9 - 526.6 514.2 - 854.2 830.7 - 1251.3 747.3 - 1198.4 1181.3 - 1826.5 1377.5 - 2154.3 1250.6 2003.6 1977.1 - 3054.1 2307.2 - 3603.9 NP21ZL 5.30-8.30:1 inches 172.1 - 275.0 268.4 - 425.1 303.4 - 479.6 320.9 - 506.9 382.1 - 602.4 491.5 - 773.0 513.4 - 807.1 592.2 - 929.8 622.8 - 977.6 749.7 - 1175.4 863.4 - 1352.8 950.9 - 1489.2 1038.4 - 1625.7 1239.7 - 1939.4 1377.5 - 2154.3 2307.2 - 3603.9 Distance Chart using 16:9 native projector with 16:9 Image (1080p) Screen Size (16:9) UST Lens Rear Lens NP39ML NP16FL NP31ZL NP17ZL Zoom Lenses NP18ZL NP19ZL Diagonal Width(W) Height (H) inches inches inches 39 34 19 0.38:1 Inches 10 0.76:1 inches 25.15 0.75-0.93:1 inches 24.5 - 31.2 1.29-1.79:1 inches 41.5 - 60.1 1.73-2.27-1 inches 57.3 - 76.0 2.22-3.67:1 inches 73.7 - 124.3 59 51 29 16 38.64 37.7 - 47.7 63.2 - 91.2 87.3 - 115.3 112.2 - 188.0 67 58 33 18 44.20 43.1 - 54.5 72.2 - 103.9 99.6 - 131.5 128.0 - 214.2 70 61 34 19 46.58 45.4 - 57.4 76.0 - 109.4 104.9 - 138.5 134.8 - 225.5 83 72 41 23 55.32 54.0 - 68.1 90.1 - 129.5 124.3 - 163.9 159.6 - 266.7 106 92 52 30 71.20 69.5 - 87.5 115.8 - 166.0 159.6 - 210.2 204.9 - 341.6 110 96 54 31 74.37 72.6 - 91.4 120.9 - 173.3 166.7 - 219.4 213.9 - 356.6 126 110 62 36 85.49 83.4 - 105.0 138.8 - 198.8 191.4 - 251.8 245.6 - 409.1 133 116 65 38 90.25 88.1 - 110.8 146.5 - 209.8 201.9 - 265.7 259.1 - 431.5 159 139 78 46 108.52 105.9 - 133.1 176.0 - 251.8 242.5 - 318.9 311.1 - 517.7 184 160 90 54 125.19 122.2 - 153.5 202.9 - 290.1 279.6 - 367.4 358.6 - 596.4 202 176 99 59 137.89 134.6 - 169.0 223.4 - 319.3 307.8 - 404.5 394.8 - 656.4 220 192 108 65 150.60 147.0 - 184.5 243.9 - 348.5 336.0 - 441.5 431.0 - 716.3 263 229 129 78 179.98 175.6 - 220.4 291.3 - 416.0 401.3 - 527.0 514.6 - 854.9 400 339 212 NA NA 260.9 - 327.1 502.5 - 1004.9 998.9 - 1601.0 1579.2 - 2440.3 500 424 265 NA NA 326.8 - 409.5 628.9 - 1257.3 1250.6 2003.6 1977.1 - 3054.1 NP20ZL 3.60-5.40:1 inches 118.9 - 181.4 181.0 - 274.8 206.6 - 313.2 217.6 - 329.7 257.8 - 390.1 330.8 - 500.0 345.5 - 521.9 396.6 - 598.8 418.5 - 631.8 502.6 - 758.1 579.3 - 873.4 637.8 - 961.3 696.2 - 1049.2 831.4 - 1252.4 1628.9 - 2879.1 2039.2 - 3603.9 NP21ZL 5.30-8.30:1 inches 174.3 - 278.4 267.3 - 423.3 305.6 - 483.0 322.0 - 508.6 382.1 - 602.4 491.5 - 773.0 513.4 - 807.1 590.0 - 926.4 622.8 - 977.6 748.6 - 1173.7 863.4 - 1352.8 950.9 - 1489.2 1038.4 - 1625.7 1240.8 - 1941.2 1842.4 - 2879.1 2307.2 - 3603.9 www.necdisplay.com PX803UL Page 2 of 11

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NEC Display Solutions of America, Inc.
PX803UL Installation Guide
Desktop and Ceiling Mount
Rev 1.0
www.necdisplay.com
PX803UL
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 widt
h 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
NP39ML:
C=0.351W-2.362
W = Image Width
W = H x 16/10
NP16FL:
C
= 0.794W
–
1.85
H = Image Height (size)
H = W x 10/16
NP17ZL:
C
(Wide) = 1.281W
–
2.094 ------
C
(Tele) = 1.825W
–
1.913
C = Throw distance
Screen Diagonal = W x 18.868/16
NP18ZL:
C
(Wide) = 1.764W
–
2.677 ------
C
(Tele) = 2.313W
–
2.638
NP19ZL:
C
(Wide) = 2.261W
–
3.150
------
C
(Tele) = 3.747W
–
3.114
16:9 Screen Formulas
NP20ZL:
C
(Wide) = 3.654W
–
5.319
------
C
(Tele) = 5.492W
–
5.299
W = H x 16/9
NP21ZL:
C
(Wide) = 5.469W
–
11.626
----
C
(Tele) = 8.527W
–
11.531
H = W x 9/16
NP31ZL:
C
(Wide) = 0.775W
–
1.839 ------
C
(Tele) = 0.970W
–
1.740
Screen Diagonal = W x 18.358/16
Distance Chart for popular 16:10 Screens (WUXGA)
Distance Chart using 16:9 native projector with 16:9 Image (1080p)
UST Lens
Rear Lens
NP39ML
NP16FL
Diagonal Width(W)
Height (H)
0.38:1
0.76:1
inches
inches
inches
inches
inches
40
34
21
11.55
24.83
24.2 - 30.7
40.9 - 59.4
56.6 - 75.1
72.8 - 122.8
117.5 - 179.2
172.1 - 275.0
60
51
32
18.83
38.80
37.8 - 47.7
63.5 - 91.5
87.6 - 115.8
112.6 - 188.7
181.8 - 275.9
268.4 - 425.1
68
58
36
21.48
43.88
42.8 - 53.9
71.7 - 103.2
98.9 - 130.6
127.1 - 212.7
205.2 - 311.0
303.4 - 479.6
72
61
38
22.80
46.43
45.3 - 57.0
75.8 - 109.0
104.6 - 138.0
134.3 - 224.7
216.8 - 328.6
320.9 - 506.9
85
72
45
27.44
55.32
54.0 - 67.8
90.1 - 129.5
124.3 - 163.9
159.6 - 266.7
257.8 - 390.1
382.1 - 602.4
108
92
57.5
35.72
71.20
69.5 - 87.1
115.8 - 166.0
159.6 - 210.2
204.9 - 341.6
330.8 - 500.0
491.5 - 773.0
113
96
60
37.37
74.37
72.6 - 91.0
120.9 - 173.3
166.7 - 219.4
213.9 - 356.6
345.5 - 521.9
513.4 - 807.1
130
110
69
43.33
85.81
83.7 - 104.9
139.3 - 199.6
192.1 - 252.7
246.5 - 410.6
398.1 - 601.0
592.2 - 929.8
137
116
72.5
45.65
90.25
88.1 - 110.3
146.5 - 209.8
201.9 - 265.7
259.1 - 431.5
418.5 - 631.8
622.8 - 977.6
164
139
87
55.26
108.67
106.0 - 132.7
176.2 - 252.1
242.9 - 319.3
311.6 - 518.5
503.3 - 759.2
749.7 - 1175.4
189
160
100
63.86
125.19
122.2 - 152.8
202.9 - 290.1
279.6 - 367.4
358.6 - 596.4
579.3 - 873.4
863.4 - 1352.8
208
176
110
70.49
137.89
134.6 - 168.3
223.4 - 319.3
307.8 - 404.5
394.8 - 656.4
637.8 - 961.3
950.9 - 1489.2
226
192
120
77.11
150.60
147.0 - 183.7
243.9 - 348.5
336.0 - 441.5
431.0 - 716.3
696.2 - 1049.2
1038.4 - 1625.7
270
229
143
92.34
179.82
175.5 - 219.3
291.0 - 415.6
400.9 - 526.6
514.2 - 854.2
830.7 - 1251.3
1239.7 - 1939.4
300
254
159
102.94
NA
195.0 - 243.6
376.0 - 752.4
747.3 - 1198.4 1181.3 - 1826.5 1377.5 - 2154.3
1377.5 - 2154.3
500
424
265
NA
NA
326.8 - 407.8
628.9 - 1257.3
1250.6
2003.6 1977.1 - 3054.1 2307.2 - 3603.9
2307.2 - 3603.9
inches
inches
inches
1.73-2.27-1
Screen Size (16:10)
2.22-3.67:1
NP31ZL
NP17ZL
NP18ZL
NP19ZL
Zoom Lenses
NP21ZL
5.30-8.30:1
0.75-0.93:1
1.29-1.79:1
inches
inches
inches
NP20ZL
3.60-5.40:1
UST Lens
Rear Lens
NP39ML
NP16FL
Diagonal Width(W)
Height (H)
0.38:1
0.76:1
inches
inches
inches
Inches
inches
39
34
19
10
25.15
24.5 - 31.2
41.5 - 60.1
57.3 - 76.0
73.7 - 124.3
118.9 - 181.4
174.3 - 278.4
59
51
29
16
38.64
37.7 - 47.7
63.2 - 91.2
87.3 - 115.3
112.2 - 188.0
181.0 - 274.8
267.3 - 423.3
67
58
33
18
44.20
43.1 - 54.5
72.2 - 103.9
99.6 - 131.5
128.0 - 214.2
206.6 - 313.2
305.6 - 483.0
70
61
34
19
46.58
45.4 - 57.4
76.0 - 109.4
104.9 - 138.5
134.8 - 225.5
217.6 - 329.7
322.0 - 508.6
83
72
41
23
55.32
54.0 - 68.1
90.1 - 129.5
124.3 - 163.9
159.6 - 266.7
257.8 - 390.1
382.1 - 602.4
106
92
52
30
71.20
69.5 - 87.5
115.8 - 166.0
159.6 - 210.2
204.9 - 341.6
330.8 - 500.0
491.5 - 773.0
110
96
54
31
74.37
72.6 - 91.4
120.9 - 173.3
166.7 - 219.4
213.9 - 356.6
345.5 - 521.9
513.4 - 807.1
126
110
62
36
85.49
83.4 - 105.0
138.8 - 198.8
191.4 - 251.8
245.6 - 409.1
396.6 - 598.8
590.0 - 926.4
133
116
65
38
90.25
88.1 - 110.8
146.5 - 209.8
201.9 - 265.7
259.1 - 431.5
418.5 - 631.8
622.8 - 977.6
159
139
78
46
108.52
105.9 - 133.1
176.0 - 251.8
242.5 - 318.9
311.1 - 517.7
502.6 - 758.1
748.6 - 1173.7
184
160
90
54
125.19
122.2 - 153.5
202.9 - 290.1
279.6 - 367.4
358.6 - 596.4
579.3 - 873.4
863.4 - 1352.8
202
176
99
59
137.89
134.6 - 169.0
223.4 - 319.3
307.8 - 404.5
394.8 - 656.4
637.8 - 961.3
950.9 - 1489.2
220
192
108
65
150.60
147.0 - 184.5
243.9 - 348.5
336.0 - 441.5
431.0 - 716.3
696.2 - 1049.2
1038.4 - 1625.7
263
229
129
78
179.98
175.6 - 220.4
291.3 - 416.0
401.3 - 527.0
514.6 - 854.9
831.4 - 1252.4
1240.8 - 1941.2
400
339
212
NA
NA
260.9 - 327.1
502.5 - 1004.9
998.9 - 1601.0 1579.2 - 2440.3
1628.9 - 2879.1
1842.4 - 2879.1
500
424
265
NA
NA
326.8 - 409.5
628.9 - 1257.3
1250.6
2003.6 1977.1 - 3054.1
2039.2 - 3603.9
2307.2 - 3603.9
inches
Screen Size (16:9)
2.22-3.67:1
NP31ZL
NP17ZL
NP18ZL
NP19ZL
1.73-2.27-1
Zoom Lenses
NP21ZL
0.75-0.93:1
1.29-1.79:1
inches
inches
5.30-8.30:1
NP20ZL
3.60-5.40:1
inches
inches
inches