Samsung SM-J730G, User Manual

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Basics
34
Understanding the screen
Controlling the touchscreen
•
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.
•
It is recommended not to use fixed graphics on part or all of the touchscreen for
extended periods. Doing so may result in afterimages (screen burn-in) or ghosting.
•
The device may not recognize 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.