Pioneer PDP-505HD Mode D'emploi page 57

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About the plasma panel'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 panel's protection function
which detects images with slight movement and
automatically adjusts brightness to protect the display,
and is not a malfunction.
This function starts approximately 5 minutes after the
power has been turned on or after input has been
switched.
About the self diagnosis mode
Messages appear on the bottom of this unit's screen to
indicate operation or connection faults. After message
confirmation, check the condition of the unit.
If this message appears
÷ A incompatible signal is being
OUT OF RANGE
or
PLEASE CHANGE
RESOLUTION
OR REFRESH RATE
÷ Turn off main power (page 6).
THERMAL WARNING!
÷ Has the room temperature
PLEASE SHUT DOWN
÷ If the unit's vents are blocked,
Please do this
input. Check the PC input
signal compatibility chart on
page 56 and change the
output signal setting on the
computer side.
exceeded 40 °C (104 °F) ?
Reduce the room temperature.
unblock them.
CAUTION
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 lagging due to sticking
Avoid displaying the same images continuously over a long
period of time with the Plasma Display. When images of the
same pattern are displayed continuously for several hours or
displayed for a short period of time every day, after-images
may remain on the screen due to the sticking of the
fluorescent materials. In this case, these images may
decrease if moving images are displayed after them, but
basically they will not disappear.
A I
DDITIONAL NFORMATION
53
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