Acer XD1520i User Manual page 42

The commands are:
: Goes to the previous music file.
: Rewinds playback.
: Pauses playback;
: Goes to the next music file.
: Opens settings page.
: Exits playback and returns to the file list.
Volume adjustment
After the music is played for approximately 10 seconds, the control command bar will
automatically disappear. Press the
volume level.
If the Menu button is pressed, the control command bar will be automatically
disappeared. Then the volume level can be adjusted immediately.
42 English
: Restarts playback.
or button to display the Volume bar to adjust the