LG G3100 User Manual page 152

menu have the submenus as shown below.
Allows to alert for the incoming call for adjusting environment.
Allows to set the ringing tone for adjusting environment.
Allows to set the ring volume for adjusting environment.
Allows to alert when receiving a message for adjusting environment:
Ring once, Vibrate, Silent.
Allows to set the keypad volume for adjusting environment.
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