Netbook Navigator 891A-NN, Руководство пользователя

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Residual Images
When switching on the LCD screen you may notice a residual
image phenomenon, especially if images are displayed for a
long time at once.
What is a “residual” image?

Under normal conditions, the use of LCD display screen
should not produce residual images. If the screen stays on
one image for a long time, it may result in differences in
pixel charge electrode. This difference will lead to some
regions of the accumulation of charge on the electrodes
and affect the arrangement of liquid crystal molecules,
causing image to remain in the new screen. In the case of
LCD products, all the residuals in the case of both images,
this is not necessarily a bad product.
To better protect your computer display screen, it is
recommended not to use the computer for an extended
period of time, and use a screen saver or set the computer to
standby when not in use.
Dead screen
A result of the LCD manufacturing process may result in some
points that do not show color (usually referred to Dead). This
is a normal phenomenon. For further information, please
refer to the Chinese national standard GB/T9813-2000.