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Precautions for use
ENGLISH - 17
Important
Information
Cautions on use
In order to get the picture quality
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Draw curtains or blinds over windows and turn off any lights near the screen to prevent outside light or light
from indoor lamps from shining onto the screen, in order to obtain high-quality images with higher contrast.
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Depending on the conditions of use, the screen may uctuate due to the hot air from the air exhaust port or
the heated or cooled air from the air conditioner.
Take care so that the exhaust from the projector or other equipment, or the air from the air conditioner does
not blow toward the front of the projector.
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The projection lens is thermally affected by the light from the light source, making the focus unstable in the
period just after switching on. Focus stabilizes 30 minutes after video projection starts.
Do not touch the surface of the projection lens with your bare hands.
If the surface of the lens becomes dirty from ngerprints or anything else, this will be magnied and projected
onto the screen. Please put the lens cover (accessory) on the projector when you do not use it.
LCD panel
The LCD panel is precision-made. Note that in rare cases, pixels of high precision could be missing or always
lit. This is not a malfunction.
Also, projecting a still image for extended periods of time may lead to afterimages on LCD panels. Please be
aware that in some cases these afterimages may not disappear completely.
Optical components
If using in an environment with a high temperature, or where dust or tobacco smoke is present, the
replacement cycle of optical components such as LCD panels and polarizing plates may shorten even after
less than one year of use. For more details, please consult your dealer.
Lamp
The luminous source of the projector is a mercury lamp with high internal pressure.
A high pressure mercury lamp has following characteristics.
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The brightness of the lamp will decrease by duration of usage.
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The lamp may burst with sound or shorten life by shock or chipping.
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The life of the lamp varies greatly depending on individual specicities and usage conditions. In particular,
continuous use over 12 hours and frequent on/off switching of the power greatly deteriorate the lamp and
affect the lamp life.
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In rare cases, the lamp burst shortly after the projection.
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The risk of bursting increases when the lamp is used beyond its replacement cycle. Make sure to replace
the lamp unit consistently.
(When to replace the lamp unit (
page 103), Replacing the lamp unit (
page 104))
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If the lamp bursts, gas contained inside of the lamp is released in a form of smoke.
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It is recommended to store replacement lamps for contingency.
<Software information regarding this product>
© Panasonic Corporation 2011
This product incorporates the following software:
(1) the software which is developed independently by or for Panasonic Corporation
(2) the software which is licensed under the GNU GENERAL PUBLIC LICENSE. and
(3) the software which is licensed under the GNU LESSER GENERAL PUBLIC LICENSE.
For the software categorized as (2) and (3), the license is available in accordance with GNU GENERAL PUBLIC LICENSE and
GNU LESSER GENERAL PUBLIC LICENSE respectively. As for the terms and conditions, please refer to the software license of
the supplied CD-ROM.
If you wish to ask any questions as to the software, please contact (sav.pj.gpl.pavc@ml.jp.panasonic.com) by email.