Panasonic PTL557U - LCD PROJECTOR Manual de instrucciones - Página 10
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Screen Requirements
This Projector is used to project the image onto flat screens. However, the brightness and viewable range will vary
depending on which type of screen is used.
When selecting a screen, check the characteristics of the screen to ensure that it is suitable for the intended place
of use.
Screen characteristics (reference)
Screen type
White screen
Silver screen
Beaded screen
Flexible
translucent screen
Rigid-type
translucent screen
Note:
A Polarized screen is not recommended for this LCD Projector.
This type of screen can be seen from anywhere,
so there are no limits on the viewing position.
However, the surrounding walls should be
darkened as in a movie theater, otherwise a
clear picture cannot be obtained.
This type of screen gives a picture which is 2-4
times brighter than a white screen. A variety of
types are available from different manufacturers,
and each type has different brightness
characteristics. Some also have restrictions on
the possible range of viewing positions.
Care should be taken with screens that have
a high gain, as these types of screen can
cause color distortion at the left and right
edges.
This type of screen is recommended when the
Projector is suspended from the ceiling.
This type of screen is similar to the silver
screen, except that no color distortion occurs
at the left and right edges. Moreover, most of
the light is reflected at the same angle as the
angle of incidence.
This type of screen is recommended when
the Projector is placed on the floor.
This type of screen is made of PVC (polyvinyl chloride).
It has the same characteristics as silver screens, but
sometimes it can have hot spots.
This type of screen is made of acrylic plastic.
It is extremely durable and has excellent optical
characteristics. It performs in the same way as silver
screens.
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Screen characteristics
Silver screen
White screen
Maximum brightness
Minimum brightness
Maximum
brightness
Beaded screen