LG U8150 User Manual page 200

Multimedia
Select [Delete] to delete the selected file.
Select [Next file] to play the next file.
Select [Previous file] to play the previous file.
Select [View list] to display the file list screen.
Select [File information] to view information about the selected
image.
Select [Mute] or [Sound] to turn the sound on and off.
You can adjust the volume by using the Up and Down keys.
You can use various functions by selecting [Option] in the list
screen.
However, you cannot attach an audio file protected by DRM.
Select [Sound theme] to configure the audio file as a ring tone,
switch on, or switch off sound.
Select [Rename] to rename the selected audio file.
Select [Delete] to delete the selected file.
Select [Sort] to sort the selected audio file by name, by data or by
extension.
Select [File information] to view information about the selected
audio file such as size and date created.
Summary)
Move Using Up and Down keys.
[Option] You can select Delete, Sound theme, Sort, Rename and
File Info functions.
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U8150 User Guide