IT112 Video Terminal

6
Chapter 2
Essential information
Graphical
Terminals -
TFT
Touch Screen
Graphical
Terminals
ESAPOLYMATH -HardwareManual- rev. 2.2
• The brightness may flicker slightly and be irregular giving
way to light shadows extending over the entire display.
• Note that in some cases the displays can have some white
pixels (always on) or black (always off) This phenomenon
can be visible or invisible to the user depending on the
colour displayed. This phenomenon is considered normal.
White Pixel
Black Pixel
• The touch screen is activated by applying a force equal to
200g indifferently to the use of a pen or finger.
• A Peripheral Area of the touch screen exists that must
never be stressed, especially with pointed objects (pens
etc.). The glass in this area is very sensitive to pressing
and is subject o breakage.