Working with t he notebook
LCD screen
LCDscreenNotes
High-quality TFT displays are installed in notebooks from Fujitsu Technology Solutions GmbH. For
technical re ason s, T FT monitors are manufactured for a specific resolution. An optimal, clear
picture can only be ensured with the correct resolution intended for t he relevant T FT m onitor. A
monitor resolution which differs from the specification can result in an unclear picture.
The screen resolution o f the LCD monitor of your noteboo k is opt imally set at the factory.
The stan dard of p roduction techniques today cannot guarantee an 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 9241-3 (Class II).
Example:
A monitor with a resolution of 1280 x 800 has 1 280 x 800 = 10 24000 pixels. Each pixel consists of
three subpixels (red, green and b lue), so there are almost 3 million subpixels in total. According to
ISO 9241-3 (class II), a maximum of 2 light and 2 dark pixels and an additional 5 light or 10 dark
subpixels or a corresponding mix may be defective (1 light subpixel co unts as 2 dark subpixels).
Pixel
A pixel consists of 3 subpixe
ls, normally red, green and
blue. A pixel is the smallest
element that can be generated
by complete functionality
of the display.
Subpixel
A subpixel is a separately a
ddressable internal structure
within a pixel that enhance
s the pixel function.
Cluster A cluster contains two or more defective pixels or
subpixels in a 5 x 5 pixel block.
Backgroun d lighting
TFT monitors are operate
d with background lighting. The luminosity of the background
lighting can decrease du
ring the period of use of the note book. However, you can
set the brightness of you
r monitor individually.
Synchronising the displ
ay on the LCD screen and an external monitor
For more information, p
lease refer to the chapter "
Key combinations", Page
19 under "Display output,
switch between".
Fujitsu Technology Solutions 31
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