NEC NP-P401W - Diagrams and Distance Charts; Ceiling Mounted

NEC Display Solutions of America, Inc.
P401W/P451W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com P401W/P451W 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.
Ceiling Mounted
Desktop
Distance Chart for popular 16:10 screens
Note: For screen sizes not indicated on the projection
tables, use the formulas on page 1.
Diagonal Width(W) Height (H)
inches inches inches inches
57 48 30 9 64 - 107 8.1 - 4.8
66 56 35 11 74 - 125 8.0 - 4.8
68 58 36 11 77 - 128 8.0 - 4.8
75 64 40 12 85 - 143 8.0 - 4.8
79 67 42 13 90 - 150 8.0 - 4.8
85 72 45 14 96 - 161 8.0 - 4.8
92 78 49 15 105 - 176 8.0 - 4.8
98 83 52 16 111 - 186 8.0 - 4.8
102 86 54 16 116 - 194 8.0 - 4.8
111 94 59 18 127 - 212 8.0 - 4.8
113 96 60 18 129 - 215 8.0 - 4.8
123 104 65 20 140 - 233 8.0 - 4.8
125 106 66 20 142 - 237 8.0 - 4.8
147 125 78 23 168 - 280 7.9 - 4.8
149 126 79 24 170 - 284 7.9 - 4.8
213 181 113 34 244 - 407 7.9 - 4.8
255 216 135 41 292 - 486 7.9 - 4.8
Screen Size (16:10)
-6
inches
B
C
w ide - tele
inches
-16
degrees
D
α
w ide - tele
-7
-7
-8
-8
-9
-10
-10
-11
-16
-23
-27
-12
-12
-13
-13
Lens Offset From
Mo u nt Pipe
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
3.05"
C
Throw Distance
Screen Top
D
B
Lens Ctr
Screen Ctr
D
6.22