Ceiling Mounted - NEC NP905 - XGA LCD Projector Installation Manual

NP905 Installation Guide
Ceiling Mounted and Desktop
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.

Ceiling Mounted

Desktop
Distance Chart for popular 4:3 screens
Note:
For screen sizes not indicated on the projection
tables, use the formulas on page 1.
www.necdisplay.com
Screen Top
D
Lens Ctr
B
Screen Ctr
Screen Ctr
B
Lens Ctr
D
Screen Bottom
Screen Size (4:3)
Diagonal Width(W) Height (H)
inches inches inches
30 24 18
60 48 36
67 53.6 40.2
72 57.6 43.2
84 67.2 50.4
90 72 54
100 80 60
120 96 72
150 120 90
180 144 108
210 168 126
240 192 144
270 216 162
300 240 180
NEC Display Solutions of America, Inc.
C
Throw Distance
C
Throw Distance
2.85"
B
C
w ide - tele
inches
inches
6 34 - 41
12 69 - 83
14 78 - 93
15 83 - 101
17 98 - 118
19 105 - 126
21 117 - 140
25 140 - 169
31 176 - 211
37 211 - 254
43 247 - 297
50 282 - 339
56 318 - 382
62 353 - 425
NP905
Rev 1.1
5.63"
6.01"
Lens Offset From
Mount Pipe
3.74
D
α
w ide - tele
inches degrees
-3
10.2 - 8.5
-6
10.1 - 8.4
-6
10.1 - 8.4
-7
10.0 - 8.4
-8
10.0 - 8.4
-8
10.0 - 8.4
-9
10.0 - 8.4
-11
10.0 - 8.3
-14
10.0 - 8.3
-17
10.0 - 8.3
-20
10.0 - 8.3
-23
9.9 - 8.3
-25
9.9 - 8.3
-28
9.9 - 8.3
Page 2 of 6