Samsung GT-I9192, Руководство пользователя, Страница: 18 / 130

Getting started
18
Holding the device
Do not cover the antenna area with your hands or other objects. This may cause connectivity
problems or drain the battery.
Locking and unlocking the device
When not in use, lock the device to prevent unwanted operation. Pressing the Power button
turns off the screen and puts the device into lock mode. The device automatically gets locked
if it is not used for a specified period.
To unlock the device, press the Power button or the Home button and flick your finger in any
direction within the unlock screen area at the lower part of the screen.
Adjusting the volume
Press the Volume button up or down to adjust the ringtone volume, or to adjust the sound
volume when playing music or video.
Switching to silent mode
Use one of the following methods:
•
Press and hold the Volume button down until it switches to silent mode.
•
Press and hold the Power button, and then tap
Mute
or
Vibrate
.
•
Open the notifications panel at the top of the screen, and then tap Sound or Vibrate .
Switching between networks
When you insert two SIM or USIM cards, you can use two different subscriptions on the same
network without the need to carry two devices at the same time. Activate two cards and
switch between them when making calls or sending messages.
Your device supports dual standby with two different networks. You cannot make or
answer calls on both networks at the same time.