Working with the noteb ook
LCD screen
LCDscreenNotes
Fujitsu notebooks have high-quality LCD monitors (TFT). For technical reasons, these
monitors are manufactured for a specific resolution. An optimal, clear pict ure can only
be ensured with the resolution intended for the relevant monitor. A resolution which
differs from the specification can result in an unclear picture.
The resolution of your notebook’s monitor is optimally set at the factory.
With the present standards of production technology, absolutely flaw less screen images
cannot be guaranteed. There may be a few constantly light or dark pixels (picture
elements) on the screen. The maximum permitted numb er of such faulty pixels is
specified in the international standard ISO 9241-307 (Class II).
Example:
A screen with an HD resolution of 1366 x 768 has 1366 x 768 = 1049088 pixels. E ach pixel consists
of three subpixels (red, green and blue), making a total of about 3 million subpixels. 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 r esolution of 1600 x 900 = 1 440000 pixels, a maximum of 3 light and 3 dark pixels
and in addition 7 light or 14 dark subpixels are allowed to be defective.
Pixel
A pixel consists of
3 subpixels, normally red, green and
blue. A pixel is th
e smallest element that can be generated
by complete funct
ionality of the display.
Subpixel
A subpixel is a s
eparately ad dressable internal structure
within a pixel t
hat enhances the pixel function.
Cluster A cluster contains two or more defective p ixels or
subpixels in a 5 x 5 pixel b lock.
Background l
ighting
LCD monitor
s are operated with background lighting. The luminosity of the background
lighting ca
n decrease during the period of use of the notebook. However, you can
set the bri
ghtness of your monitor individually.
Synchroni
sing the display o n the LCD screen and an external monitor
For more i
nformation, please refer to the chapter "
Key combinations", Page 4 4
under "Di
splay o utput, switch between".
30 Fujitsu
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