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Precautions for Use
14
- ENGLISH
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
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from indoor lamps from shining onto the screen.
Depending on where the projector is used, heated air from an exhaust port or warm or cold air from an air
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conditioner can cause a shimmering effect on screen.
Avoid use in locations where exhaust or streams of air from projector, other devices and air conditioners ow
between the projector and the screen.
The lens of projector is affected by the heat from the luminous source. Because of this, the focusing stays
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unstable right after the power is turned on. Focusing is stabled after projecting image for 30 minutes and
longer.
Do not touch the surface of the projector lens with your bare hand.
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If the surface of the lens becomes dirty from ngerprints or anything else, this will be magnied and projected
onto the screen.
LCD Panel
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The display unit of this projector comprises three LCD panels. Although an LCD panel is a product of high-
precision technology, some of the pixels on the projected image may be missing or constantly lit. Please note that
this is not a malfunction.
Displaying a still image for a longer time may result in an after-image on the LCD panels. If this happens, display
the all white screen in the test pattern (
Æ
page 63) for an hour or more. Note that it may not be possible to
completely remove the after-image.
Optical components
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Operating the projector in an environment with high temperature or heavy exposure to dust or tobacco smoke
will reduce the service life of the optical components, such as the LCD panel and polarizing plate, and may
necessitate their replacement within less than one year of use. For details, consult your dealer.
Lamp
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The luminous source of the projecter is a mercury lamp with high internal pressure.
A high pressure mercury lamp has following chracteristics.
The brightness of the lamp will decrease by duration of usage.
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Impact, damage, deterioration from wear and other factors may end the life of the lamp, for example, by
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causing it to burst with a loud noise.
The life of the lamp varies greatly depending on individual specicities and usage conditions. In particular,
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continuous use over 12 hours and frequent on/off switching of the power greatly deteriorate the lamp and
affect the lamp life.
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
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lamp unit consistently. (“When to replace the lamp unit” (
Æ
page 72))
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.
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It is recommended to have authorized engineer or your dealer replace the lamp unit.
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CAUTION
To connect the projector to a computer or other external device, be sure to use only the supplied power cords and
commercially available shielded cables.
<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 GEN-
ERAL PUBLIC LICENSE respectively. As for the terms and conditions, please refer to the software licence 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.