response  | when  | the  | Hold switch  | 
  | 
  | holding down the PLAY/PAUSE  | |||
Play button is pressed  | 
  | 
  | 
  | 
  | and VOL button.  | ||||
to play an audio.  | 
  | 
  | 
  | 
  | 
  | 
  | |||
No  | sound  | when  | The volume is too low.  | Adjust the volume.  | |||||
playing an audio file.  | 
  | 
  | 
  | ||||||
Bad audio file.  | 
  | Delete or skip the file.  | |||||||
The player cannot be  | The USB interface is not  | Update or replace the PC’s  | |||||||
supported  | by  | PC’s  | |||||||
connected to the PC.  | motherboard.  | ||||||||
motherboard.  | 
  | 
  | |||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
  | 
  | 
  | 
  | 
  | 
  | ||||
The displayed time is  | The bit rate of the MP3  | Try to use fixed bit rate to  | |||||||
file is  | changing  | during  | |||||||
changing constantly. | compress the MP3 file. | ||||||||
playback. | 
  | 
  | |||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
The  | PC  | has  | error  | The  | player  | is  | Do not disconnect the player  | ||
disconnected  | from the  | ||||||||
when  | you  | plug  | and  | from the PC when transferring  | |||||
PC  | abruptly  | while  | |||||||
unplug the player.  | files.  | ||||||||
transferring files.  | 
  | ||||||||
  | 
  | 
  | 
  | 
  | 
  | ||||
Total  | 
  | memory  | Part of memory is used  | 
  | |||||