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Working with the notebook
LCD screen
LCDscreenNotes
High-quality TFT displays are installed in notebooks from Fujitsu. For technical reasons, TFT
monitors are manufactured for a specic resolution. An optimal, clear picture can only be
ensured with the correct resolution intended for the relevant TFT m onitor. A monitor resolution
which differs from the specication can result in an unclear picture.
The screen resolution of the LCD monitor of your notebook is optimally set at the factory.
The standard of p roduction techniques today cannot guarantee a n absolutely fault-free screen
display. A few isolated constant lit or unlit pixels (picture elements) may be present. The maximum
permitted number of pixels faults is stipulated in the international standard ISO 9241-307 (Class II).
Example:
A screen with a resolution of 1280 x 800 has 1280 x 800 = 1024000 pixels. Each pixel consists of
three subpixels (red, green and blue), so there are about 3 million subpixels in total. According to ISO
9241-307 (class II), a maximum of 2 light and 2 dark pixels and in addition 5 light or 10 dark subpixels
or an equivalent mix (1 light subpixel counts as 2 dark subpixels) are allowed to be defective.
At a resolution of 1600 x 900 = 1440000 pixels, a maximum of 3 light and 3 dark pixels
and in addition 7 light o r 14 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 generated
by complete funct
ionality of the display.
Subpixel
A subpixel is a se
parately addre ssable internal structure
within a pixel t
hat enhances the pixel function.
Cluster A cluster contains two or more defective pixels or
subpixels in a 5 x 5 pixel block.
Background l
ighting
TFT monitors
are operated with background lighting. The lumin osity of the background
lighting ca
n decrease during the period of use of the notebook. However, you can
set the brig
htness of you r monitor individually.
Synchroni
sing the display on the LCD screen and an extern al monitor
For more i
nformation, please refer to the chapter "
Key combinations", Page 40
under "Di
splay output, switch between".
Ambient Light Sensor
In the case of delivery with a Windows operating system, the screen brightness is regulated
by means of the amb ient light sen sor and depending on the p a rticu lar light co nditions. This
results i n optimum readability and longer battery life at the same time.
Usin
g a device as a tablet PC
You c an execute commands as follows:
using the stylus pen (supplied with your device).
using your ngers
Fujitsu 29
33


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