Protouch-wide: user documentation
DOC/PROTOUCH-WIDE-R; V1.1
DOC_PROTOUCH_WIDE-R_V1.0.docx
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2.5
Touch Screen
The devices use an Ilitek Ili2511 chipset.
2.5.1
Basic functions of the touch screen
The touch screen operates using the PCT (Projected Capacitive Touch) technology.
Therefore, the touch must be manipulated using fingers, thin latex or special gloves or pens/styluses that are made for use with capacitive touch
panels.
Depending on the driver version and Operating System the PCT touch supports Multi-touch up to 5 points. Which means you can operate the
touch screen with more than one finger for drawing or selecting.
2.6
Display brightness
Display brightness can be manipulated either in the BIOS setup or using the driver interfaces in the operating system.
Defining the default display brightness in BIOS has the advantage that the brightness is defined already at start-up and boot sequence. If change
of the brightness is required after start-up it is required to use the boot driver interface. For further details on manipulating display brightness
refer to the manual of the operating system.
If required display brightness may be manipulated by I/O Register access. Please
contact manufacturer’s sales
for details.
2.6.1
Modifying display brightness using BIOS setup
To modify the brightness in BIOS Setup utility follow this procedure:
1.
Start up the device while pressing [del]-key
2.
As th
e BIOS Setup Utility shows up press left to select menu “Advanced” then down to select option “Graphics”
3.
In the Advanced/Graphics menu select Backlight settings and enter desired value
4.
Press [F10] key and confirm to safe changings to quit
Fig. 8
Modify default value of backlight
