NEC NP-UM330W Installation Manual - Um330W Installation Guide
NEC Display Solutions of America, Inc.
UM330W Installation Guide
Desktop and Ceiling Mount
v1.1
www.necdisplay.com
UM330W
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 16:10 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
58.0
49
31
4.19
24.97
17.71
9.60
60.0
51
32
4.80
25.69
18.32
9.79
65.0
55
34
6.32
27.48
19.84
10.26
70.0
59
37
7.85
29.28
21.37
10.73
75.0
64
40
9.38
31.07
22.90
11.20
80.0
68
42
10.90
32.86
24.42
11.66
85.0
72
45
12.43
34.66
25.95
12.13
90.0
76
48
13.96
36.45
27.48
12.60
95.0
81
50
15.48
38.24
29.00
13.07
100.0
85
53
17.01
40.04
30.53
13.54
105.0
89
56
18.53
41.83
32.05
14.00
110.0
93
58
20.06
43.62
33.58
14.47
C
D
Screen Size
A
B