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1.Languages：
2.Display：
3.Power Management：
4.Rescan Library：
5.System Info：
6.Factory Reset:
The DX120 supports multiple languages.
Adjust the screen brightness, and change the wallpaper.
Set the amount of time to power off the DX120
when it stays idle.
Auto Power Off:
Backlight Off:
Sleep Timer:
Set the amount of time to power off the
DX120, no matter if it is working or idle. The
sleep timer would turn off after reboot.
Set the amount of time to turn off the screen
when there is nottouch operation or button
operation.
This function is used to fully rescan the Micro SD cards.
The Library would be re-built after that. This function helps
when a scan problem arises.
It shows the firmware version, external memory
's available
capacity.
Delete all user data and restore the device to its original
factory settings.
