Desktop Setup - NEC MultiSync LT80 Installation Data

Visual Systems Division
Technical Bulletin
MultiSync LT80 Installation Data
Desk Top and Ceiling Mount
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Desktop System
Screen Center
Screen Bottom
Desk Top Level
Distance Chart
Screen Size
Diagonal
40"
60"
67"
72"
84"
90"
100"
120"
150"
180"
210"
240"
270"
300"
Note:
For screen sizes of 24 to 300 inches not indicated on the projection tables, use the formulas on page 1.
C
A
A
Width wide - tele
32" 65.2 - 84.4"
48" 97.7" - 126.5"
53.6" 109.8" - 141.5"
57.6" 118.2" - 152.2"
67.2" 138.2" - 178.0"
72" 148.4" - 190.9"
80" 164.7" - 212.8"
96" 198.5" - 255.2"
120" 248.7" - 319.6"
144" 299.0" - 384.0"
168" 349.2" - 448.5"
192" 399.2" - 512.8"
216" 449.4" - 577.3"
240" 500.2" - No Tele
B C
wide - tele
4.8" 63" - 82.7"
6.9" 94.5" - 124.0"
7.9" 106.2" - 138.7"
8.5" 114.3" - 149.2"
9.9" 133.7" - 174.5"
10.6" 143.5" - 187.1"
11.5" 159.4" - 208.7"
14.1" 192.1" - 250.3"
17.7" 240.7" - 313.4"
21.2" 289.3" - 376.6"
24.8" 337.9" - 439.8"
28.3" 386.5" - 502.9"
31.9" 435.1" - 566.1"
35.1" 484.3" - No Tele
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES.OPERATION IS SUBJECT TO THE FOLLOWING
TWO CONDITIONS•G(1)THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE,AND (2) THIS DEVICE MUST
ACCEPT ANY INTERFERENCE RECEIVED,INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
THIS CABINET IS CONSTRUCTED OF PLASTIC(ABS).
THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCE-CAUSING
EQUIPMENT REGULATIONS.
CET APPAREIL NUMERIQUE DE LA CLASSE A RESPECTE TOUTES LES EXIGENCES DU REGLEMENT SUR LE MATERIEL
BROUILLEUR DU CANADA.
wide - tele
14.9° - 11.5°
14.8° - 11.4°
14.8° - 11.4°
14.8° - 11.4°
14.7° - 11.4°
14.7° - 11.4°
14.6° - 11.3°
14.6° - 11.3°
14.6° - 11.3°
14.6° - 11.3°
14.6° - 11.3°
14.5° - 11.3°
14.5° - 11.3°
14.5° - No Tele
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