B321/B421
3.The connected USB device is detected automatically for all its playable files, which will be automatically sorted into 3
types: 
, 
, and 
.
4.Press the 
BACK button to go up to the top layer in the
screen. Press 
button to select the file type. Press 
button to enter its play list.
5.Select the file you want. Press 
button to start playing.
6.Follow the
7.Press the PLAY buttons (H F G I J) to control playing.
Supported file system:
•FAT32
Supported file format:
•Music: MP3, WMA, M4A, AAC, AC3
•Movie: AVI, MP4, MOV, MPG/MPEG
•Photo: JPEG, BMP, GIF
Caution:
•The manufacturer is not responsible if the USB device is not supported, nor is it responsible for damage to or loss of data in the device.
•Do not overload the USB port. If you connect a USB storage device that consumes more than 500mA power, make sure that it is connected to its own external power supply.
4.4.Play options
4.4.1. Playing music files
1.Select 
in the top bar.
2.Select one music track, then press 
button.
Album
1. Music | 05:05 |
Info | Play All | Sort | USB device | Options |
•To play all the tracks in a folder, select one music file, then select {Play All}.
•To skip to the next or previous track, press 
or 
button.
•To pause the track, press 
button. Press 
button again to resume playback.
•To skip backward or forward 10 seconds, press 
or 
button.
•To search backward or forward, press G or J button, press repeatedly to toggle between different speeds.
•To stop the music, press H button.
Music options
While you play music, press 
button, then press 
button to select an option:
•{Repeat}: Select {Repeat} to play a track or an album repeatedly, or select {Play once} to play a track once.
•{Media Server}: When you play content from a media server, you can select another media server.
•{Shuffle On} / {Shuffle Off}: Enable or disable random play of tracks.
NOTE: To view information about a song (for example, title, artist or duration), select the song, then press 
button. To hide the information, press 
button again.
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