T : Next song or step.
◄ : Left direction key/Fast Rewind Key.
► :Right direction key/Fast Forward Key.
ENTER: Select OK or Enter Key.
RETURN: Go back to the previous scene when the music movie is playing.
MEDIA: Press MULTIMEDIA to play the tracks in the USB.
MIC/FIRST: Microphone priority switch.
ACC.P: Choose the left channel or the right channel or both.
