Visual Systems Division
Technical Bulletin
MultiSync
LT140 Installation Data
Desktop and Ceiling Mount
Page2
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Desktop
VIDEO
PC CONTROL
L ( M O N O )
R
AUDIO
RGB INPUT
MOUSE OUT
• ¥
• ¥
ACCESS
USB
PC CARD
S-VIDEO
• ¥
1.99"
B
D
E
C
A
Screen Center
Screen Bottom
Screen
α
α
Distance Chart
Screen Size
A
B
C
α
α
Diagonal
Width (H)
Height (E)
wide - tele
wide - tele
wide - tele
40"
32"
24"
64.4" - 77.0"
4.7"
62.2" - 75.2"
15.0° - 12.5°
60"
48"
36"
97.7" - 116.5"
7.0"
94.5" - 113.8"
14.8° - 12.4°
67"
53.6"
40.2"
109.3" - 130.2"
7.8"
105.7" - 127.2"
14.8° - 12.4°
72"
57.6"
43.2"
117.7" - 140.2"
8.4"
113.8" - 136.9"
14.8° - 12.4°
84"
67.2"
50.4"
137.6" - 163.7"
9.8"
133.1" - 160.0"
14.7° - 12.3°
90"
72"
54"
147.5" - 175.6"
10.5"
142.7" - 171.6"
14.7° - 12.3°
100"
80"
60"
164.1" - 195.4"
11.7"
158.7" - 190.9"
14.7° - 12.3°
120"
96"
72"
197.3" - 234.9"
14.0"
190.9" - 229.5"
14.7° - 12.3°
150"
120"
90"
247.4" - 294.1"
17.5"
239.4" - 287.4"
14.6° - 12.3°
180"
144"
108"
297.0" - 353.3"
21.0"
287.4" - 345.3"
14.6° - 12.2°
210"
168"
126"
346.9" - 412.5"
24.5"
335.7" - 403.2"
14.6° - 12.2°
240"
192"
144"
396.7" - 471.6"
28.0"
383.9" - 461.0"
14.6° - 12.2°
270"
216"
162"
446.5" - 530.9"
31.5"
432.1" - 518.9"
14.6° - 12.2°
300"
240"
180"
496.3" - No Tele
35.0"
480.3" - No Tele
14.6° - No Tele
Note:
For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.