Ceiling Mounted - NEC P502WL Installation Manual

P502WL/P502HL 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 16:10 screens
16:10 Screen Formulas:
W = H x 16/10
H = W x 10/16
Screen Diagonal = W x 18.868/16
Projection Formulas:
B = 0.369W
C (wide) = 1.309W – 1.457
C (tele) = 2.248W – 1.404
D (max) = -0.056W
D (min) = 0.313W
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.
7.48
6.92
Shift Range
Lens Offset From Mount Pipe
Shift Range
Screen Size (16:10)
Diagonal Width(W) Height (H)
inches inches inches
57 48 30
66 56 35
68 58 36
75 64 40
79 67 42
85 72 45
92 78 49
98 83 52
102 86 54
111 94 59
113 96 60
123 104 65
125 106 66
147 125 78
149 126 79
213 181 113
255 216 135
270 229 143
300 254 159
P502WL/P502HL
C
C
B
C
max - min
w ide - tele
inches inches
inches
18 61 - 107 -3
21 72 - 124 -3
21 74 - 128 -3
24 82 - 142 -4
25 87 - 150 -4
27 93 - 160 -4
29 101 - 175 -4
31 107 - 186 -5
32 112 - 193 -5
35 122 - 211 -5
35 124 - 214 -5
38 135 - 232 -6
39 137 - 236 -6
46 162 - 279 -7
47 164 - 283 -7
67 235 - 405 -10
80 281 - 484 -12
84 298 - 513 -13
94 332 - 570 -14
Page 2 of 9
Rev 1.0
0.1H
Screen Center H
Screen Center
D
α
w ide - tele
degrees
- 15 16.1 - 9.4
- 18 16.0 - 9.4
- 18 16.0 - 9.4
- 20 16.0 - 9.4
- 21 16.0 - 9.4
- 23 16.0 - 9.4
- 25 16.0 - 9.4
- 26 15.9 - 9.4
- 27 15.9 - 9.4
- 30 15.9 - 9.4
- 30 15.9 - 9.4
- 33 15.9 - 9.4
- 33 15.9 - 9.4
- 39 15.9 - 9.4
- 40 15.9 - 9.4
- 57 15.8 - 9.4
- 68 15.8 - 9.3
- 72 16 - 9
- 80 16 - 9