NEC NP-UM330X Installation Manual - Um330X Installation Guide
NEC Display Solutions of America, Inc.
UM330X Installation Guide
Desktop and Ceiling Mount
v1.1
www.necdisplay.com
UM330X
Page 2 of 8
Ceiling Mounted Installation
The following diagram shows the relationship between projector position and the screen. Refer to the charts below for data.
Distances are in inches. For millimeters multiply by 25.4.
Distance Chart for Popular 4:3 Screen Sizes
Note: For screen sizes not indicated in the distance charts, use the formulas on page 1.
Diagonal
W idth
H eight
inch
inch
inch
inch
inch
inch
inch
61.5
49
37
4.19
28.02
17.71
9.57
65.0
52
39
5.20
29.38
18.72
9.88
70.0
56
42
6.64
31.32
20.16
10.32
75.0
60
45
8.08
33.27
21.60
10.77
80.0
64
48
9.52
35.21
23.04
11.21
85.0
68
51
10.96
37.15
24.48
11.65
90.0
72
54
12.40
39.09
25.92
12.09
95.0
76
57
13.84
41.03
27.36
12.53
100.0
80
60
15.28
42.97
28.80
12.97
105.0
84
63
16.72
44.92
30.24
13.42
110.0
88
66
18.16
46.86
31.68
13.86
115.0
92
69
19.60
48.80
33.12
14.30
116.6
93
70
20.06
49.42
33.58
14.44
C
D
S creen Size
A
B