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
inches
inches
Screen Size (16:10)
3.60-5.40:1
NP17ZL
NP18ZL
NP19ZL
NP20ZL
2.22-3.67:1
300
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
inches
Zoom Lenses
inches
inches
1.29-1.79:1
1.73-2.27-1
inches
inches
Screen Size (16:9)
3.60-5.40:1
NP17ZL
NP18ZL
NP19ZL
NP20ZL
2.22-3.67:1
