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21
Preparation
ENGLISH
Installing the Projector and Screen
Set Angle
Shift
About installation (Continued)
While installing, please place this unit and the screen perpendicular to each other. Failing
to do so may increase trapezoidal distortion. (Reference page: 36, 52)
The angle range which can be set for this unit is ±30°.
■
Left/Right position
*
0% up/down position (center)
■
Up/Down position
*
0% left/right position (center)
Lens shift correlation chart:
●
Malfunctions may occur if the angle is not set within the above-mentioned range.
Approximately 34% (maximum) of the projected image
Approximately 34% (maximum) of the projected image
Approximately 80%
(maximum) of the projected
image
Approximately 80%
(maximum) of the
projected image
90
80
70
60
50
40
30
20
10
0 10 20
30 40
Horizontal lens shift
Vertical lens shift
●
Maximum Up-Down shift varies with the amount of Left-Right shift.
Likewise, maximum Left-Right shift varies with the amount of Up-
Down shift.
●
The values on the chart are intended to act as a guide. Use them
for reference during installation.
30°
30°
30°
30°
Left-Right Shift(%)
0% 10% 20% 30% 34%
Up-Down Shift(%)
80% 66% 47% 18% 0%
Lens movability
range
■
Lens shift movement
range