Samsung NP540U4E-K01US - Manual (Page 48)

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Chapter 2
Using Windows 8
Using the Touch Screen
(For touch screen models only)
Touch screen use precautions
Use the touch screen with clean and dry hands. In a humid •
environment, remove the moisture from your hands and the
touch screen surface before use.
Avoid directly spraying liquid cleansing solution onto the touch •
screen. The liquid solution may enter the touch screen through
the bottom edge.
When using a liquid cleansing solution, dampen a cloth in
the solution and clean the screen with the cloth (a cleansing
solution or cloth containing abrasives may damage the touch
screen.)
Do not apply a severe impact to the touch screen or press the •
screen with a sharp object such as a ball-point pen.
This may damage the touch screen.
If your finger only touches the touch screen slightly, your touch •
may not be recognized.
When pressing the touch screen, press over an item precisely •
taking care not to press other items.
The touch screen sensors are located at the edges of the touch •
screen.
When installing a protective cover and accessory, be careful
not to cover the edges of the touch screen.
Be careful not to damage the edges of the touch screen. •
If the edges of the touch screen are damaged, the touch screen
may not work properly.
If the touch screen is contaminated by a foreign substance •
such as a bug or water, the touch screen will not work properly.
Use your touch screen after removing all foreign substances.