Panasonic PT-CW230EA Operating Instructions Manual page 23

Projection distance for PT-CX200EA
(All measurements below are approximate and may differ slightly from the actual measurements.)
Projection size
Screen diagonal (SD)
1.27 m(50")
1.40 m(55")
1.52 m(60")
1.78 m(70")
2.03 m(80")
2.29 m(90")
* Install the projector where the projection distance should be within 23.0 cm and 45.5 cm in order to keep the
lens performance.
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)
Projection distance (L)
For 4:3 aspect ratio
L
-
25.1 cm(0.82') 25.2 cm(0.83')
27.7 cm(0.91') 26.6 cm(0.87')
33.0 cm(1.08') 29.3 cm(0.96')
38.3 cm(1.26') 31.9 cm(1.05')
43.7 cm(1.43') 34.6 cm(1.14')
For 4:3 aspect ratio
= SD(m) × 0.6
= SD(m) × 0.8
= 0.2092 × SD(m) - 0.041703
For 16:9 aspect ratio
A L
- 24.8 cm(0.81')
27.7 cm(0.91')
30.6 cm(1.00')
36.4 cm(1.19')
42.1 cm(1.38')
-
= SD(m) × 0.490
= SD(m) × 0.872
= 0.227909 × SD(m) - 0.041703
Setting up
A
35.5 cm(1.17')
38.0 cm(1.25')
40.5 cm(1.33')
45.5 cm(1.49')
50.5 cm(1.66')
-
For 16:9 aspect ratio
ENGLISH -
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