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PJWU-101B 17/10/2014
10
2.General
Shift range
The lens can be shifted with respect to the DMD (P) which result in a shifted image on the screen (Off-Axis). A 100% shift
means that the centre point of the projected image is shifted by half the screen size. In other words, the centre point of
the projected image falls together with the outline of the image in an On-Axis projection. Due to mechanical and optical
limitations it’s recommended to keep the shift values within the field of view (F) as illustrated below. Within these shift
ranges the projector and lens perform excellently. Configuring the projector outside these shift ranges will result in a slight
decline of image quality.
U
(b)
(b)
(a)
(a)
(a)
(a)
(b)
(b)
D
L
R
P
F
U
D
SIDE VIEW
P
F
TOP VIEW
P
F
L
R
Vertical and horizontal shift range
P
DMD.
F
Field of view.
No.
1
2
3
4
Barco nr
R9832762
R9832760
R9832761
R9832763
Throw Ratio
2.4~4.0:1
1.85~2.4:1
1.56~1.85:1
0.84~1.03:1
Horizontal(a)
(100%=half the screen width)
±30%
±30%
±30%
±25%
Vertical(b)
(100%=half the screen height)
±100%
±100%
±100%
±75%
It is mechanical possible to shift outside the recommended field of view, but it will result in a decline of
image quality depending on the used lens and the zoom position of the used lens. Furthermore, shifting
too much in both directions will result in a blurred image corner.
Best image quality is projected in the On-Axis configuration.
Horizontal and vertical projector tilt ranges
Avoid to reduce the usage of lamp life. Suggest the projector rotated and mounted vertical angle not > ±15°.
Side to side tilt, however, must not exceed ±10°. This limit ensures that the lamp in the projector operates properly and safely.
MAX
A
MAX
MAX
MAX
10°
±15°
±15°
10°
A
B
C
A
Tilting allowed without problems
B
No tilting allowed in this area
C
No tilting allowed in this area
10°
10°
A
Содержание PJWU-101B
Страница 1: ...PJWU 101B User manual...
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