NEC P452W Installation Manual page 3

P452W/P452H/P502W/P502H Installation Guide
Desktop and Ceiling Mount
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 16:9 screens
16:9 Screen Formulas:
W = H x 16/9
H = W x 9/16
Screen Diagonal = W x 18.358/16
Projection Formulas:
B (max) = 0.347W
B (min) = 0
C (wide) = 1.282W – 1.426
C (tele) = 2.202W – 1.375
D (max) = -0.065W
D (min) = 0.281W
α (wide) = tanˉ¹ (B/C(wide))
α (tele) = tanˉ¹ (B/C(tele))
Note:
For screen sizes not indicated on the projection
tables, use the formulas on page 1.
www.necdisplay.com
NEC Display Solutions of America, Inc.
5.95
6.25
Shift Range
Lens Offset From Mount Pipe
Shift Range
Screen Size (16:9)
Diagonal Width(W) Height (H)
inches inches inches
61 53 30
71 62 35
73 64 36
82 71 40
86 75 42
92 80 45
100 87 49
106 92 52
110 96 54
120 105 59
122 107 60
133 116 65
135 117 66
159 139 78
161 140 79
230 201 113
275 240 135
P452W/P452H/P502W/P502H
C
8.2
C
B
C
max - min
w ide - tele
inches inches
18 - 0 67 - 116
22 - 0 78 - 136
22 - 0 81 - 140
25 - 0 90 - 155
26 - 0 94 - 163
28 - 0 101 - 175
30 - 0 110 - 190
32 - 0 117 - 202
33 - 0 122 - 210
36 - 0 133 - 230
37 - 0 135 - 234
40 - 0 147 - 253
41 - 0 149 - 257
48 - 0 176 - 304
49 - 0 179 - 308
70 - 0 256 - 441
83 - 0 306 - 527
Rev 1.0
0.1H
Screen Center H
Screen Center
D
α
max - min
w ide - tele
inches degrees
3 - 15 15.4 - 9.1
4 - 17 15.4 - 9.0
4 - 18 15.4 - 9.0
5 - 20 15.4 - 9.0
5 - 21 15.4 - 9.0
5 - 22 15.3 - 9.0
6 - 24 15.3 - 9.0
6 - 26 15.3 - 9.0
6 - 27 15.3 - 9.0
7 - 29 15.3 - 9.0
7 - 30 15.3 - 9.0
8 - 32 15.3 - 9.0
8 - 33 15.3 - 9.0
9 - 39 15.3 - 9.0
9 - 39 15.3 - 9.0
13 - 56 15.2 - 9.0
16 - 67 15.2 - 9.0
Page 3 of 9