2.1.When in PHOTO status, press OK and then VOL- 
/VOL+ 
to select the corresponding function of the icon in tool bar:
: Previous photo
: Pause (It is 
Play button when in pause status)
: Next photo
: Zoom in
: Repeat
:
2.2.When in MUSIC status, prsse OK to play, and press VOL- 
/ VOL+ 
to select the corresponding function of the icon in tool bar: 
: Previous music
: Pause (It is 
Play button when in pause status)
: Stop
: Next music
: Repeat
: Volume (Press OK first and then VOL- 
/VOL+ 
to adjust the volume to your need)
2.3.When in VIDEO status, press OK and then VOL- 
/VOL+ 
to select the corresponding function of the icon in tool bar:
: Previous movie
: Pause (It is 
Play button when in pause status)
: Stop
: Next movie
: Repeat
: Volume (Press OK and then VOL- 
/VOL+ 
to adjust the volume to your need)