Projection Distance And Screen Size For Ceiling Mount - NEC MultiSync LT100 Installation Data

Visual Systems Division
Technical Bulletin
MultiSync LT100 Installation Data
Desk Top and Ceiling Mount

Projection Distance and Screen Size for Ceiling Mount

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
Ceiling Mount System
Screen Top
Screen Center
Distance Chart
Screen Size
Diagonal Width
40" 32"
60" 48"
67" 53.6"
72" 57.6"
84" 67.2"
90" 72"
100" 80"
120" 96"
150" 120"
180" 144"
210" 168"
240" 192"
270" 216"
300" 240"
Note:
For screen sizes of 24 to 300 inches not indicated on the projection tables, use the formulas on page 1.
C
A
A B
wide - tele
65.2" - 84.4" 4.7"
97.8" - 126.5" 7.0"
109.8" - 140.8" 7.8"
118.2" - 151.5" 8.4"
138.2" - 177.3" 9.8"
148.3" - 190.8" 10.5"
164.8" - 212.8" 11.7"
198.5" - 255.2" 14.0"
248.7" - 319.6" 17.5"
298.9" - 384.0" 21.0"
349.0" - 448.0" 24.5"
399.2" - 512.7" 28.0"
449.4" - 577.2" 31.5"
500.2" - No Tele 35.0"
5.85" Deluxe Mount
Horizontal
Lens
Offset
1.63"
C
wide - tele
63.0" - 82.7" 14.8° - 11.4°
94.5" - 124.0" 14.8° - 11.4°
106.2" - 138.0" 14.8° - 11.4°
114.3" - 148.5" 14.7° - 11.4°
133.7" - 173.8" 14.7° - 11.4°
143.5" - 187.1" 14.6° - 11.3°
159.4" - 208.7" 14.6° - 11.3°
192.1" - 250.3" 14.6° - 11.3°
240.7" - 313.4" 14.6° - 11.3°
289.3" - 376.6" 14.5° - 11.3°
337.9" - 439.3" 14.5° - 11.3°
386.5" - 502.9" 14.5° - 11.2°
435.1" - 566.1" 14.5° - 11.2°
484.3" - No Tele 14.5° - No Tele
wide - tele
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