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20
Setting up the Projector (Continued)
Screen Size and Projection Distance
4:3 Signal Input (Normal Mode)
Picture (Screen) size
Projection distance
Distance from the lens center
to the bottom of the image [H]
Diag. [
χ
] Width Height [L]
150" (381 cm)
305 cm (120
"
) 229 cm (90
"
)
2.0 m (6
'
5
"
)
10 cm (3
25
/
32
")
120" (305 cm)
244 cm (96
"
) 183 cm (72
"
)
1.6 m (5
'
1
"
)
8 cm (3
1
/
32
")
100" (254 cm)
203 cm (80
"
) 152 cm (60
"
)
1.3 m (4
'
3
"
)
6 cm (2
33
/
64
")
80" (203 cm)
163 cm (64
"
) 122 cm (48
"
)
1.0 m (3
'
5
"
)
5 cm (2
1
/
64
")
70" (178 cm)
142 cm (56
"
) 107 cm (42
"
)
0.9 m (3
'
0
"
)
4 cm (1
49
/
64
")
60" (152 cm)
122 cm (48
"
) 91 cm (36
"
)
0.8 m (2
'
7
"
)
4 cm (1
33
/
64
")
χ: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
The formula for picture size and projection distance
[m/cm]
L (m) = 0.013
χ
H (cm) = 0.064
χ
[Feet/inches]
L (ft) = 0.013
χ
/ 0.3048
H (in) = 0.064
χ
/ 2.54
16:9 Signal Input (Stretch Mode)
Picture (Screen) size
Projection distance
Distance from the lens center
to the bottom of the image [H]
Adjustable range of
image position [S]
Diag. [
χ
] Width Height [L]
120
"
(305 cm)
266 cm
(105
"
)
149 cm
(59
"
)
1.7 m
(5' 7" ) 33 cm (13
3
/
32
")
±25 cm
(±9
13
/
16
"
)
100
"
(254 cm)
221 cm
(87
"
)
125 cm
(49
"
)
1.4 m
(4' 8" ) 28 cm (10
59
/
64
")
±21 cm
(±8
11
/
64
"
)
80
"
(203 cm)
177 cm
(70
"
)
100 cm
(39
"
)
1.1 m
(3' 9" ) 22 cm (8
47
/
64
")
±17 cm
(±6
17
/
32
"
)
60
"
(152 cm)
133 cm
(52
"
)
75 cm
(29
"
)
0.8 m
(2' 9" ) 17 cm (6
35
/
64
")
±12 cm
(±4
29
/
32
"
)
χ
: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
S: Adjustable range of image position (cm/in) See page
44.
The formula for picture size and projection distance
[m/cm]
L (m) = 0.01416
χ
H (cm) = 0.27727
χ
S (cm) = ±0.20754
χ
[Feet/inches]
L (ft) = 0.01416
χ
/ 0.3048
H (in) = 0.27727
χ
/ 2.54
S (in) = ±0.20754
χ
/ 2.54
Refer to page 18 concerning “Projection distance [L]” and “Distance from the lens center to the
bottom of the image [H]”.
Allow a margin of error in the values in the diagrams above.
•
•
Note
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