Bedienungsanleitung Panasonic PT-VW431D (Seite 12 von 98) (Englisch)

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Precautions for Use

- ENGLISH

Important

Information

Cautions on use

In order to get the picture quality

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.

Depending on where the projector is used, heated air from an exhaust port or warm or cold air from an air

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 may not

be stable 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.

If the surface of the lens becomes dirty from ngerprints or anything else, this will be magnied and projected

onto the screen.

LCD Panel

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 for an hour or more.

Optical components

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

The luminous source of the projector is a mercury lamp with high internal pressure.

A high pressure mercury lamp has following characteristics.

The brightness of the lamp will decrease by duration of usage.

The lamp may burst with sound or shorten life by shock or chipping.

The life of the lamp varies greatly depending on individual specicities 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.

In rare cases, the lamp burst shortly after the projection.

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 78))

If the lamp bursts, gas contained inside of the lamp is released in a form of smoke.

It is recommended to store replacement lamps for contingency.

It is recommended to have authorized engineer or your dealer replace the lamp unit.

Pursuant to at the directive 2004/108/EC, article 9(2)

Panasonic Testing Centre

Panasonic Service Europe, a division of Panasonic Marketing Europe GmbH

Winsbergring 15, 22525 Hamburg, F.R. Germany

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