NEC VT670 - Page 21

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2. Installation and Connections
Selecting a Location (VT47)
The further your projector is from the screen or wall, the larger the image. The minimum size the image can be is
approximately 25" (0.64 m) measured diagonally when the projector is roughly 23 inches (0.6 m) from the wall or
screen. The largest the image can be is 300" (7.6 m) when the projector is about 287 inches (7.3 m) from the wall or
screen. Use the drawing below as a guide.
25"
300
"
240
"
200
"
180
"
150
"
120
"
100
"
60
"
40
"
80
"
Distance (Unit: m/inch)
Lens center
0.6/
23
1.0/37
1.4/56
1.9/76
2.4/95
2.9/114
3.6/143
4.4/172
4.9/191
5.8/229
7.3/287
Screen Size (Unit: cm/inch)
Screen Size
609.6(W)⳯457.2(H) / 240(W)⳯180(H)
487.7(W)⳯365.8(H) / 192(W)⳯144(H)
406.4(W)⳯304.8(H) / 160(W)⳯120(H)
365.8(W)⳯274.3(H) / 144(W)⳯108(H)
304.8(W)⳯228.6(H) / 120(W)⳯90(H)
243.8(W)⳯182.9(H) / 96(W)⳯72(H)
203.2(W)⳯152.4(H) / 80(W)⳯60(H)
162.6(W)⳯121.9(H) / 64(W)⳯48(H)
121.9(W)⳯91.4(H) / 48(W)⳯36(H)
81.3(W)⳯61.0(H) / 32(W)⳯24(H)
50.8(W)⳯38.1(H) / 20(W)⳯15(H)
A
C
I
N
NOTE: Digital Zoom can cause result in a blurry image because zooming is made electronically.