Diagrams and distance charts, Nec display solutions of america, inc, Ceiling mounted and desktop – NEC NP400 User Manual
Page 2: Ceiling mounted, Desktop, Distance chart for popular 4:3 screens
NEC Display Solutions of America, Inc.
NP400/NP500/NP600 Installation Guide
Ceiling Mounted and Desktop
Rev 1.0
www.necdisplay.com
NP400/NP500/NP600
Page 2 of 6
Diagrams and Distance Charts
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
Distances are in inches. For millimeters multiply by 25.4.
Lens Offset From
Mount Pipe
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
2.22"
C
Throw Distance
Screen Top
4.56"
5.17"
D
B
Lens Ctr
Screen Ctr
D
2.79
Ceiling Mounted
Desktop
Diagonal Width(W) Height (H)
inches
inches
inches
inches
30
24
18
6
35
-
43
9.9
-
8.2
60
48
36
12
73
-
88
9.7
-
8.0
67
53.6
40.2
14
81
-
98
9.7
-
8.0
72
57.6
43.2
15
87
-
106
9.6
-
8.0
84
67.2
50.4
17
102
-
123
9.6
-
8.0
90
72
54
19
110
-
132
9.6
-
8.0
100
80
60
21
122
-
147
9.6
-
8.0
120
96
72
25
147
-
177
9.6
-
8.0
150
120
90
31
184
-
222
9.5
-
8.0
180
144
108
37
221
-
267
9.5
-
8.0
210
168
126
43
258
-
311
9.5
-
7.9
240
192
144
50
296
-
356
9.5
-
7.9
270
216
162
56
333
-
401
9.5
-
7.9
300
240
180
62
370
-
445
9.5
-
7.9
degrees
Screen Size (4:3)
-6
inches
-3
B
C
w ide - tele
inches
D
α
w ide - tele
-6
-7
-8
-8
-9
-11
-14
-17
-20
-23
-25
-28
Distance Chart for popular 4:3 screens
Note:
For screen sizes not indicated on the projection
tables, use the formulas on page 1.