Samsung SM-J410F, Руководство пользователя, Страница: 31 / 92

Basics
31
Understanding the screen
Controlling the touchscreen
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Do not allow the touchscreen to come into contact with other electrical devices.
Electrostatic discharges can cause the touchscreen to malfunction.
•
To avoid damaging the touchscreen, do not tap it with anything sharp or apply
excessive pressure to it with your fingertips.
•
Leaving the touchscreen idle for extended periods may result in afterimages
(screen burn-in) or ghosting. Turn off the touchscreen when you do not use the
device.
•
The device may not recognise touch inputs close to the edges of the screen, which
are outside of the touch input area.
•
It is recommended to use fingers when you use the touchscreen.
Tapping
Tap the screen.
Tapping and holding
Tap and hold the screen for approximately
2 seconds.