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DreamVision Yunzi Manual

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2.0 INSTALLATION GUIDELINES
R699820 - Yunzi Series User Manual 9
The THX certification features by using THX picture mode:
• Correct Gamma and Color Temperature
• No Overscan or Scaling
• Correct High Definition color Gamut
The Best in Class Parameters also include ANSI and Sequential contrast, luminance and color Uniformity, color
tracking with gray scale, optimum brightness, deinterlacing performance, jaggie and countouring.
2.3 Comfort and Caution with 3D Content
The closer one looks at stereoscopic images, the greater the binocular disparity, which means greater perception of
outward projection. At the same time, the spectator must focus on these outward objects on the screen. The
projecting image and the real focus distance cause a great contradiction. This causes visual fatigue and discomfort.
That means that the more 3D effect, the more outward effects, and the more your eyes will try to focus nearer than
where the objects are actually -really- located.This strain contributes to fatigue and discomfort.
Prevent child under 5 years old to watch 3D
The comprehensive brain function to judge stereoscopic vision which includes the feeling for real distances,
develops while growing up by touching and seeing real objects, but in early childhood, it is still in an underdeveloped
state. Even though there are individual differences, children under 5 are still developing. Letting them frequently
watch virtual 3D video images can be an obstacle for the development of a comprehensive three-dimensional feel.
Additionally, younger children may suddenly become sick, because they continue watching without realizing
symptoms like 3D sickness or deterioration of health. Please accompany your child while it watches 3D programs.
2.4 3D-Synchro Emitter and 3D Glasses
In order to match the timing of the displayed video images with the timing of the opening/closing 3D glasses
shutters for each eye, the projector in 3D mode sends the correct synchro data to the 3D synchro emitter.
2.5 Best seat position for 3D projection
A 3D projection that makes use of stereoscopic images is very similar to an illusionist show where the brain is
tricked to perceive two pictures as a real 3D scene. The trick is easily revealed:
•If you move from one side to the other side of the screen, there will be a place where you will be off-axis enough
to let you perceive the flatness of the projected pictures instead of interpreting them as a 3D object.
•If the parallax is not appropriate to the screen size, the two pictures will be perceived distinctly and therefore the
brain will interpret the 3D-projection as two superposed pictures.
In general the perception of the 3D effect will vary according to your seat position and to the screen size. When a
movie is produced for 3D projection, the director knows the exact distance where the 3D effect will be perceived. In
CAUTION ABOUT HEADACHES AND EYE STRAINS
Please stop watching if you do not feel well and consult a physician if necessary. People who already have a kind of
photosensitivity, sufferers from heart disease, and people in poor physical condition should not watch 3D
stereoscopic images. It is also recommended that you take a break periodically.
INFRARED SYNCHRONIZATION
In regard to the Infrared 3D emitter, if you experience synchro issues with Infra Red glasses in an installation where
the synchro signal is bouncing from the projection screen, please direct the 3D emitter in such a way towards the
seats that the infrared rays can directly reach the 3D glasses. In a few cases the synchronization may not work
correctly.
NB: To further avoid Infrared interferences or line-of-sight issues, you may also order the Radio-Frequency
Synchronization Kit with RF-synchronized 3D Glasses. The RF kit cannot synchronize Infrared 3D Glasses.
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