Pioneer PDP-50MXE20 Startup-Handbuch - Seite 22

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Additional Information

Precautions regarding use

Panel sticking and after-image lag

• Displaying the same images such as still images for a long

time may cause after-image lagging.

This may occur in the following two cases.

1. After-image lagging due to remaining electrical load

When image patterns with very high peak luminance are

displayed for more than 1 minute, after-image lagging may

occur due to the remaining electric load. The after-images

remaining on the screen will disappear when moving images

are displayed. The time for the after-images to disappear

depends on the luminance of the still images and the time

they had been displayed.

2. After-image (lag image) due to burning

Avoid displaying the same image on the Plasma Display

continuously over a long period of time. If the same image is

displayed continuously for several hours, or for shorter periods

of time over several days, a permanent after-image may

remain on the screen due to burning of the fluorescent

materials. Such images may become less noticeable if moving

images are later displayed, but they will not disappear

completely.

The same kind of burning of a lag image may also be produced

after extended multi-hour use, or recurrent daily use for shorter

periods of a single [4:3] screen size, or [DOT BY DOT] image.

Except in cases where violation of intellectual property rights

may be involved, it is recommended that lag-image burning be

avoided by selecting a screen size that displays images over the

entire screen.

• In addition, the [ORBITER] function and [ENERGY SAVE]

function can also be used to reduce the chance of lag image

formation.

Note

Special precautions must be employed when using the

Plasma Display as a surveillance monitor or in other

applications where a fixed image will be displayed for

extended periods of time. Before using the monitor in such

applications, consult your dealer for advice.

When using this unit as a monitor for a surveillance

camera, it is recommended to set the [ENERGY SAVE]

function to [MODE3] or [MODE2].

About the Plasma Display's protection function

The brightness of this display will deteriorate slightly when an

image with little movement such as a photograph or computer

image is continuously displayed. This is caused by the Plasma

Display's protection function which detects images with slight

movement and automatically adjusts brightness to protect the

display, and is not a malfunction.

The screen-saver function begins operating when the display

detects no or little screen movement for a period of about three

minutes; the function is an automatic feature and cannot be

turned OFF.

Pixel failure

The Plasma Display screen is composed of a high numbers of

tiny pixel elements constructed in a high-precision array, but on

occasion one or more of the pixels may fail to light, or may light

erratically. This is an inevitable by-product of the manufacturing

process and not a malfunction.

Concerning infrared light

In principle, the Plasma Display radiates infrared light. Depending

on the environment in which the monitor is installed and used,

infrared remote control units for other nearby appliances may fail

to operate properly, or noise may be heard in wireless

headphones. In such cases, move the affected appliance to a

location where its infrared sensor is not affected.

Electromagnetic interferrence

This unit is built in compliance with official standards for

eletromagnetic interference, but it nonetheless may produce a

low level of radio noise. This noise may be noticeable if AM

radios, computers, or video appliances are installed too close to

the display. In such cases, remove the affected appliance to a

location where it is not affected.

Drive Noise

When power is turned on, some degree of drive noise may be

heard; this is normal and not a malfunction.

Plasma Display Temperature

When the display is used for long periods of time, some parts of

the display may retain heat and the display may become hot to

the touch; this is normal and not a malfunction.

Additional cautions

• If the power is automatically turned off during operation of this

unit, the following reasons may be the cause.

1 Is the [POWER MGT.] function set to [ON]?

2 The surrounding temperature has risen above 40 °C.

The display should be used within ambient temperature

conditions below 40 °C.

3 The internal temperature has risen abnormally due to

blocked cooling vents, overheating of internal electronic

parts, or other factors.

If the power is automatically turned off for a reason other than

the above reasons, there could be a malfunction. In this case,

unplug the power cord from the power outlet and request

repair from your nearest sales outlet.

• The Plasma Display panel of this unit is very bright and viewing

it a close distance will cause eye strain.

We recommend that you view the screen from a suitable

distance (3 m to 6 m).

• In order to protect the panel and internal circuitry, this display

is provided with a cooling fan designed to turn on/off and

change speed automatically in accordance with ambient

temperature conditions (the fan sound will change in

accordance with its speed). The display should be used within

ambient temperature conditions below 40 °C.

STANDBY/ON indicator

During operation of the [POWER MGT.] function, this indicator

will flash green at intervals of about 1 second.

This indicator lights steadily (green) under nomal operating

conditions. However, depending on the settings performed by

the installation technician, the green indicator may not light even

when power is turned on.

If the green light displays a flashing pattern other than the above,

an error message is indicated. Consult any onscreen messages

and check ambient conditions (temperature, etc.) and respond

accordingly.

If the problem persists, disconnect the power plug and consult

your dealer or a service center.

Other than this, if the power turns off by itself, or refuses to turn

on, or if this indicator conditions flashing red, a malfunction may

be indicated. Immediately disconnect the power plug and consult

your dealer or a service center.