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S P E C
F I L E
Micro-Portable Wireless LCD Projector
Standard setting-up positions
Diagonal image size
(4:3 aspect ratio)
33˝
/
0.84 m
/
40˝
/
1.02 m
/
50˝
/
1.27 m
/
60˝
/
1.52 m
/
70˝
/
1.78 m
/
80˝
/
2.03 m
/
90˝
/
2.29 m
/
100˝
/
2.54 m
/
120˝
/
3.05 m
/
150˝
/
3.81 m
/
200˝
/
5.08 m
/
250˝
/
6.35 m
/
300˝
/
7.62 m
/
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 4 : 3
minimum
maximum
Aspect ratio 16 : 9
minimum
maximum
Computer data compatibility
This projector accepts up to 91 kHz horizontal scanning frequency and 162 MHz dot clock.
NOTE: The projector is not fully compatible with RGB signals of which dot clock is higher than 100 MHz.
The display resolution of this projector is 1024 x 768 pixels. If the display resolution indicated in the above data does not match this
resolution, the input signal will be converted to 1024 x 768 pixels.
As of February 2005
A
A
A
Distance to screen
min.
2.7´
–
1.1 m /
3.3´
1.2 m /
3.9´
1.4 m /
4.2´
1.5 m /
4.9´
1.7 m /
4.9´
1.8 m /
5.9´
2.1 m /
5.8´
2.1 m /
6.9´
2.4 m /
6.7´
2.4 m /
7.9´
2.8 m /
7.5´
2.7 m /
8.9´
3.2 m /
8.3´
3.0 m /
9.8´
3.5 m /
10.0´
3.6 m /
12.5´
4.2 m /
12.5´
4.5 m /
14.8´
5.3 m /
16.7´
6.0 m /
19.7´
7.1 m /
20.8´
7.5 m /
24.6´
8.9 m /
25.0´
9.0 m /
29.5´
10.7 m /
L (m) = (diagonal screen size in inches) x 0.030 - 0.037
L (m) = (diagonal screen size in inches) x 0.036 - 0.037
L (m) = (diagonal screen size in inches) x 0.032 - 0.037
L (m) = (diagonal screen size in inches) x 0.039 - 0.037
92
(3-5/8˝)
70
(2-3/4˝)
Height from the
edge of screen to
max.
center of lens
3.6´
8 cm /
3.1˝
4.6´
9 cm /
3.5˝
5.6´
11 cm /
4.3˝
6.9´
14 cm /
5.5˝
7.9´
16 cm /
6.3˝
9.2´
18 cm /
7.1˝
10.5´
20 cm /
7.9˝
11.5´
22 cm /
8.7˝
13.8´
26 cm /
10.2˝
17.4´
33 cm /
13.0˝
23.3´
44 cm /
17.3˝
29.2´
55 cm /
21.7˝
35.1´
66 cm /
26.0˝
PT-LB20NT
unit: mm (inch)
A: Distance to screen
E: Height from the edge of screen to
center of lens
NOTE:
Illustrations show the projector installed
using optional ceiling bracket.
This illustration is not drawn to scale.
NOTE:
Values shown are approximate.
5
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