Working with the notebook
Touchscreen
LCDscreenNotes
Amicrofibre cloth is provided with your notebook. To protect your Notebook’s
touchscreen, we recommend placing the microfibre c loth between the keyboard
and the touchscreen when the device is folded closed.
Information on screen reso
lution can be found in the section "
Scree n resolutions
for integrated screen and e
xternal screens", Page 91.
High-quality LCD screens (TFT) are installed in Fujitsu notebooks. For technical reasons,
these screens are manufactured for a particular resolution. An optimum and sharp image can
only be ensured with the resolution intende d for the particular screen. A screen resolution
which differs from the specification can result in an unclear image .
The resolution of your notebook’s screen is set to the optimum at the factory.
With the present standards of production technology, absolutely flawless screen images
cannot be guaranteed. There may be a few constantly light or dark pixels (picture
elements) on the screen. The maximum permitted number of such faulty pixels is
specified in the international standard ISO 9241-307 (Class II).
Example:
A monitor with HD resolution 13 66 x 768 has 1366 x 768 = 1049088 pixels. Each pixel consists of
three subpixels (red, green and blue), m aking a total of about 3 million sub pixels. According t o ISO
9241-307 (class II), a maximum of 2 light and 2 dark pixels and in addition 5 light or 10 dark subpixe ls
or an eq uivalent mix (1 light subpixel counts as 2 dark subpixels) are allowed to be defective.
Pixel
A pixel consists
of 3 subpixels, normally red, green and
blue. A pixel is
the smallest element that can be generat ed
by complete fun
ctionality of the display.
Subpixel
A subpixel is a
separately addressable internal structure
within a pixe
l that enhances the pixel function.
Cluster A cluster contains two or more defective pixels or
subpixels in a 5 x 5 pixel block.
Backgroun
d lighting
LCD screen
s are operated with background lighting. The luminosity of the background
lighting
can decrea se during the pe riod of use of the notebook. However, you
can set th
e brightness of your screen individually.
Synchro
nising the display on the LCD screen and an ex terna l monitor
For more
information, please refer to the chapter "
Functio n keys and key combinations",
Page 40 un
der "Display output, sw itch between".
28 Fujitsu
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