Put a file named “time.txt” into a flash disk. The contents of this file like below:

20160506 17:16:00

Put the flash disk into USB port on the player during its running, the player will load it automatically.

If you want to change the time zone in the same time, change the file's contents as below:

20160506 17:16:00
Asia/Shanghai

All available time zone name can be find in folder /usr/share/zoneinfo/ on the player.