Samsung 430 Series User Manual page 184

N While a music file is playing, press the TOOLS button to access additional
functions such as
Information.
N My Contents
file extensions are not displayed, even if they are saved on the same USB
device.
If the sound is abnormal when you play MP3 files, adjust the
N
in the
problem.)
◀
Repeat
only displays files with MP3 and PCM file extensions. Other
menu. (An over-modulated MP3 file may cause a sound
Sound
Mode, Shuffle Mode,
English
Sound Mode, and
Equalizer
▶