Panasonic PT-VX400 Operating Instructions Manual page 21

Projection distance for PT-VX400E
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(All measurements below are approximate and may differ slightly from the actual measurements.)
Projection size
Screen diagonal (SD)
0.76 m(30")
1.02 m(40")
1.27 m(50")
1.52 m(60")
1.78 m(70")
2.03 m(80")
2.29 m(90")
2.54 m(100")
3.05 m(120")
3.81 m(150")
5.08 m(200")
6.35 m(250")
7.62 m(300")
Any other projection distance can be obtained according to the screen dimensions (m) using the following
calculations.
The distance is shown in units of meters. (The calculated distance may contain a certain error.)
If the screen dimensions are written as "SD",
Screen height (SH)
Screen width (SW)
Minimum distance (LW)
Maximum distance (LT)
For 4:3 aspect ratio
Minimum distance Maximum distance
(LW)
0.7 m(2.26')
0.9 m(3.05')
1.2 m(3.87')
1.4 m(4.66')
1.7 m(5.45')
1.9 m(6.23') 3.1 m(10.14')
2.2 m(7.05') 3.5 m(11.42')
2.4 m(7.84') 3.9 m(12.73')
2.9 m(9.42') 4.7 m(15.29')
3.6 m(11.81') 5.8 m(19.13')
4.8 m(15.78') 7.8 m(25.52')
6.0m(19.75')
7.2 m(23.72')
For 4:3 aspect ratio
= SD(m) × 0.6
= SD(m) × 0.8
= 0.9531 × SD(m) - 0.0338
= 1.5384 × SD(m) - 0.0327
Minimum distance
(LT) (LW)
1.1 m(3.74') 0.8 m(2.49')
1.5 m(5.02') 1.0 m(3.35')
1.9 m(6.30') 1.3 m(4.23')
2.3 m(7.58') 1.6 m(5.09')
2.7 m(8.86') 1.8 m(5.94')
2.1 m(6.82')
2.3 m(7.68')
2.6 m(8.53')
3.1 m(10.27')
3.9 m(12.86')
5.2 m(17.19')
- 6.6 m(21.52')
- 7.9 m(25.85')
= SD(m) × 0.490
= SD(m) × 0.872
= 1.0384 × SD(m) - 0.0337
= 1.6756 × SD(m) - 0.0319
Setting up
For 16:9 aspect ratio
Maximum distance
(LT)
1.2 m(4.07')
1.7 m(5.48')
2.1 m(6.89')
2.5 m(8.27')
3.0 m(9.68')
3.4 m(11.06')
3.8 m(12.47')
4.2 m(13.88')
5.1 m(16.67')
6.4 m(20.83')
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-
-
For 16:9 aspect ratio
ENGLISH -
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