3
IMPORTANT NOTES ON CLOTH CLEANING AND CARE
Do not use a cloth for cleaning!
This cloth material is particularly sensitive to contact with hands or greasy,
damp objects. This is due to the texture or cloth surface structure that charac-
terises the way this high-contrast ultra-short distance screen works.
The fabric has a perceptible 3D surface structure, which allows the focussed
projection light exclusively from a steep angle from below (UST projector po-
sition) to the viewer‘s sitting position (eye at maximum height of the centre of
the projection surface or tends to be further below).
• The screen should be retracted into the housing after each use in order to
achieve a long service life.
• Stains from insects or other (organic) substances may be difcult or im-
possible to remove.
• Do not use a cloth to clean the screen!
• Do not rub the canvas with your hands or ngers!
• Only use the enclosed ne hair brush to clean the screen horizontally along
the surface structure with light pressure on the fabric (there must be no
deformation!) to remove any ne dust or particles.
• If there are particles on the screen that do not interfere with the projection
image, ignore them. If particles prove to be disturbing in the projection
and cannot be removed by gentle, horizontal brushing, use a tesa® strip to
remove the particles.
• Prevent the screen from being retracted and extended for 3 minutes at a
time. This activates the motor‘s heat protection and deactivates the screen
completely. Only after a rest period of 5 - 10 minutes can the screen be put
back into operation.
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