Introduction - If you have any usage issues, please Google them yourself
The MP3 player is controlled with command buttons displayed at left side of the screen. It start to playback when a PLAY command is generated by `Play button (somewhere on the screen in power-down state) or card insertion. There are some generic playback controls, such as play, pause, next track, next album, previous track, previous album. In stopped state, the button functions are changed to different function to change repeat mode.