Ceiling Mounted - NEC MultiSync LT380 Installation Manual

LT380 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.necvisualsystems.com
D
Screen Top
Lens Ctr
B
Screen Ctr
Screen Ctr
B
Lens Ctr
D
Screen Bottom
Screen Size (4:3)
Diag W H
inches inches inches inches
30 24 18
60 48 36
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
200 160 120
250 200 150
300 240 180
NEC Solutions (America), Inc.
Visual Systems Division
C
Throw Distance
C
Throw Distance
2.54"
C
B D
wide - tele
inches inches
6 33 - 41 -3
13 69 - 84 -5
16 83 - 102 -6
18 98 - 119 -7
19 105 - 128 -8
22 117 - 142 -9
26 141 - 171 -10
32 176 - 214 -13
39 212 - 257 -15
43 236 - 286 -17
54 296 - 359 -21
65 356 - 431 -25
LT380
Rev 1.1
6.30"
5.65"
Lens Offset From
Mount Pipe
2.62"
α
wide - tele
degrees
9.0 - 11.1
8.7 - 10.6
8.7 - 10.5
8.7 - 10.5
8.6 - 10.5
8.6 - 10.4
8.6 - 10.4
8.6 - 10.4
8.6 - 10.4
8.6 - 10.3
8.5 - 10.3
8.5 - 10.3
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