NEC NP-M311W - NEC Projector Control Overview; NEC Projector Connection Methods; Serial Connection for Projector Control; USB Connection for Projector Control

NEC Display Solutions of America, Inc.
M311W Installation Guide
Ceiling Mounted and Desktop Rev 1.0
www.necdisplay.com M311W 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.
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
Diagonal Width(W) Height (H)
inches inches inches inches
57 48 30 12 64 - 107 11.0 - 6.6
66 56 35 14 75 - 125 11.0 - 6.6
68 58 36 15 77 - 128 11.0 - 6.6
75 64 40 16 85 - 143 10.9 - 6.6
79 67 42 17 90 - 150 10.9 - 6.6
85 72 45 19 96 - 161 10.9 - 6.6
92 78 49 20 105 - 176 10.9 - 6.6
98 83 52 21 112 - 186 10.9 - 6.6
102 86 54 22 116 - 194 10.9 - 6.6
111 94 59 24 127 - 212 10.9 - 6.6
113 96 60 25 129 - 215 10.9 - 6.6
123 104 65 27 140 - 233 10.9 - 6.6
125 106 66 27 142 - 237 10.8 - 6.6
147 125 78 32 168 - 280 10.8 - 6.5
149 126 79 33 170 - 284 10.8 - 6.5
213 181 113 47 244 - 407 10.8 - 6.5
255 216 135 56 292 - 486 10.8 - 6.5
-7
-10
-12
-5
-5
-6
-6
-4
-4
-5
-5
-3
-3
-4
-4
-7
degrees
D
α
w ide - tele
Screen Size (16:10)
-3
inches
B
C
w ide - tele
inches