Working with the Tablet PC
Current production technology cannot guarantee an absolutely fault-free screen display. A few
isolated constantly lit or unlit pixels may be present. The maximum permitted n umber of such
faulty pixels is specified in the international standard ISO 9241-307 (Class II).
Example:
A monitor with H D r esolution 1280 x 1024 has 1,310,720 pixels. Each pixel consists of
three su bpixels (red, green, and blue), which means that there are almost 3.9 million
subpixels in total. According to ISO 9241-307 (class II), a maximum of 3 light and 3
dark pixels and, in ad dition, 7 light or 13 dark subpixels or an equivalent mix (1 light
subpixel counts as 2 dark subpixels) are allowed to be defective.
Pixel
A pixel consists of 3 subpi
xels, normally red, green and
blue. A pixel is th e small
est e lemen t that ca n be generated
by complete functionali
ty of the display.
Subpixel
A subpixel is a separate
ly addressable internal structure
within a pixel that enha
nces the pixel function.
Cluster A cluster contains two or more defective pixels or
subpixels in a 5 x 5 pixel block.
Background lighti
ng
LCD screens are ope
rated with backgrou n d lighting. The lumino sity of the background
lighting can decr
ease over the period of use of the Tablet PC. However, you
can set the bright
ness of your screen yourself.
Ambient light s
ensor
If your Tablet P
C was shipped with the Windows operating system, the screen brightness is
regulated by me
ans of the ambient light sensor and depending on the respective light conditions.
This results i
n optimum readability and longer battery life at the same time.
If your Tablet
PC was shipped with Windows 10, the adaptive brightness setting is activated. To
change the am
bient light sensor settings, select Control Panel - System and Security - Power Options -
Change plan s
ettings - Change advanced power settings - Display - Enable adaptive brightness..
Synchroniz
ing the display on the touchscreen and an external monitor
In Windows
10 you can proceed as follows to set the output type:
► Wipe your finger over the screen starting from the right-hand edge.
► Select All s ettin g s.
► Look for the keyword "project".
► Select t he required function.
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