BenQ RP7501K User Manual page 55

Audio
Select an audio file you want to play and perform any of the functions shown on the
screen.
Icon
Play the previous audio file.
Play/pause the current playback.
Play the next audio file.
Repeatedly play audio files in the playlist.
Repeatedly play a single audio file in the playlist.
Randomly play audio files in the playlist.
Check audio files in the playlist.
Check audio information.
Android system interface
Function
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