User manual

the previous track. Long pressing could perform a fast reverse.
9. Audio effect
Short pressing could go into adjustment menu for audio effect.
10. Back key
Short pressing could go back to the last level.
11. Next track
In menu interface, short pressing the key could go into next
item. In song playing menu, short pressing the key could go
into next track. Long pressing could perform a fast-forward.
12. Lock key
To lock the key
13. Volume up
Short pressing could turn up the volume, while long pressing
could have a fast adjustment.
14. Volume down
Short pressing could turn down the volume, while long
pressing could have a fast adjustment.
III. Music
Music playing interface
1. Sampling rate of
music file
2. Cyclical mode
3. Audio effect mode
4. Data Rate
5. The current playing
song/total quantity of songs
6. The current playing time/
the duration of the song
7. The current playing
information
8. Battery status
9. Playing progress bar
1. Under playing state, pressing the menu key “ ”could enter the setting interface,
including playing setting, audio effect setting, adding into the playlist, removed
from the playlist and deletion options.
1.1. Playing setting: including playing mode and reread setting