ESA YT4G Visualyser, Руководство по оборудованию, Страница: 9 / 178

Chapter 2
Essential information
5
Visualyser - Hardware Manual - rev. 1.00
Essential information
The terminal is an appliance made up from a series of compo-
nents, which due to their construction features MUST be used
in a suitable way; moreover, due to their construction peculia-
rities, the terminal may behave in a way that could be inter-
preted as malfunctioning of the product and/or construction
defects.
The displays used on the Visualyser terminals are active
matrix defined as TFT (Thin Film Transistor).
One component that envisions certain attention when used is
the Touch Screen.
Below is a series of information regarding possible behaviour
and correct use of the terminal.
If some of these notions are not put into practice,
they may damage the terminal.
Graphical
terminals
The LCD graphic terminals category with TFT type display can
have LED back-lighting or with CCFL lamps.
In the displays with CCFL back-lighting, the brightness may be
slightly uneven; it may be lighter in the area where the bulb is
located.
CCFL bulb
CCFL bulb
2.