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DreamVision UST25-4500HDi Manual

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MAINTENANCE
R699858 - UST25-4500HDi User Manual 21
3D Invert
If the image depth feels incorrect, this is probably because the Left and Right eye images are inverted. If this is
the case, activate the left/right inversion to obtain a correct image.
3D Format
Use this function to choose the correct 3D input format. Some input signals may contain 3D data such as 1080p
Side-by-Side but encoded as if they were in 2D. This unit may treat them as standard 2D signals and will not
project correctly. In such cases, congure the signal manually between Frame Packing, Side-by-Side, Top &
Bottom and Frame Sequential. In other cases, you may select Auto setting.
1080p@24
Use this feature to select 96 or 144Hz refresh rate when using 3D glasses with sources encoded in 1080p24
frame packing such as Blu-Ray movies.
9.0  MAINTENANCE
9.1  Cleaning and Replacing the Dust Filters
The lters must be cleaned regularly to allow an efcient air intake. Otherwise, dirt may enter the unit and appear
on the screen, preventing you from enjoying the video fully. If dirt has entered the unit or if you need information
about the lter, please consult your authorized dealer. A lter cleaning warning appears every 500 hours.
Cleaning procedure
• Pull out the power plug from the outlet while the projector is in standby mode.
• Pull out both optical lens and input panel sliders as indicated in the pictures below and remove the lters from
their sliders.
• Clean the lters with air blower or vacuum cleaner then insert the lters in their original positions and make
sure that the claws are rmly inserted.
(1)
left side bottom side
Remove and clean the input panel dust lter (1) and the optical lens dust lter (2).
ABOUT DUST FILTERS CLEANING
It is recommended to clean the dust lters every 500 hours of continuous use in a dusty environment.
Make sure to reset the Filters Reminder once this procedure is completed.
9.2  Dirt on the Projector beam window
The beam window shall be cleaned using commercial blowers or lens cleaning papers (for cleaning glasses and
cameras). Do not use uid-type cleaning agents. This may lead to peeling of the surface coating lm. The lens
surface is fragile. Avoid rubbing it hard or knocking.
… 21 …


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