NEC Display Solutions of America, Inc.
NP40/50/60 Installation Guide
Ceiling Mounted and Desktop
Rev 1.2
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www.necdisplay.com
NP40/50/60
Page 2 of 6
Diagrams and Distance Charts
The following diagrams show the relationship between projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Ceiling Mounted
Desktop
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Top
4.75"
5.71"
Lens Offset From
Mount Pipe
1.95"
D
NE
C
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
2.28"
D
Distance Chart for popular 4:3 screens
Sc
B
D
Diagonal
Width
Height
wide
-
tele
wide
-
tele
inch
inch
inch
inch
inch
33
26
20
13
-
57
3
-
12.6
60
48
36
23
87
-
104
5
14.9
-
12.4
72
58
43
28
104
-
126
6
14.9
-
12.4
84
67
50
32
122
-
147
7
14.8
-
12.4
90
72
54
35
131
-
157
8
14.8
-
12.4
100
80
60
38
145
-
175
8
14.8
-
12.3
120
96
72
46
174
-
210
10
14.8
-
12.3
150
120
90
58
219
-
263
13
14.7
-
12.3
180
144
108
69
263
-
317
15
14.7
-
12.3
200
160
120
77
292
-
352
17
14.7
-
12.3
260
208
156
100
380
-
458
22
14.7
-
12.3
300
240
180
115
439
-
529
25
14.7
-
12.3
reen Size
C
α
inch
degree
Note:
For screen sizes not indicated on the projection table, use the formulas on page 1.
