Desktop Setup - NEC LT154 Installation Data
Nec lt154: installation guide
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Also See for LT154:
- User manual (60 pages) ,
- Quick manual (2 pages) ,
- Quick connect manual (2 pages)
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LT154/155/156 Installation Data
Desktop and Ceiling Mount
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Distances are in inches. For millimeters multiply by 25.4.
Desktop Setup
Screen Ctr
B
Lens Ctr
D
Screen Bottom
Distance Chart
Screen Size
Diagonal
Width
40"
60"
67"
53.6"
72"
57.6"
84"
67.2"
90"
100"
120"
150"
180"
210"
240"
270"
300"
Note:
For screen sizes of 25 to 300 inches not indicated on the projection tables, use the formulas on page 1.
Height
32"
24"
48"
36"
40.2"
43.2"
50.4"
72"
54"
80"
60"
96"
72"
120"
90"
144"
108"
168"
126"
192"
144"
216"
162"
240"
180"
C
Throw Distance
1.6"
B
C
wide - tele
10"
62" - 72"
14"
94" - 109"
16"
106" - 122"
17"
114" - 131"
20"
133" - 153"
22"
143" - 164"
24"
159" - 183"
29"
191" - 220"
36"
239" - 275"
43"
288" - 331"
51"
336" - 386"
58"
384" - 442"
65"
432" - ----
72"
481" - ----
Visual Systems
Projector Foot
D
wide - tele
2"
8.8° - 7.7°
4"
8.7° - 7.6°
4"
8.6° - 7.6°
4"
8.6° - 7.5°
5"
8.6° - 7.5°
5"
8.6° - 7.5°
6"
8.6° - 7.5°
7"
8.6° - 7.5°
9"
8.6° - 7.5°
11"
8.6° - 7.5°
12"
8.6° - 7.5°
14"
8.6° - 7.4°
16"
8.5° -
18"
8.5° - ---
Rev. 1.8
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Page 3
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