Nextar MA177 User Manual

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13
Troubleshooting 
If you have problems in operating your player, please check the points below before sending it to service center. 
Cannot power on 
The battery may be exhausted. Please recharge the battery. 
Files cannot be downloaded 
Check if the driver is installed correctly in the computer. 
Check the connection between the player and PC. 
No sound from the earphone 
Please ensure the volume is not 0 or try to increase the volume, and the connection of earphone is no problem. 
Check if the format of music file is supported by the player. 
The buttons do not work 
The key may be locked. Press and hold the [
-
] button to disable the lock function. 
Press the reset hole with metal pin to re-initialize the system of the player.