2. Backlight time
Set the machine backlight time from 10s-120s, or on for
always-on-display.
3. Power off time
It is the time to automatically turn off system for saving
power. It could be chosen from 1-8 minutes, or turned
off directly.
4. Sleep time
The MP3 will be turned off compulsively in playing
status. It could be set from 10min to 120min, or turned
off.
Tips: The set is for once only.
5. Lock the screen clock
When it is turned on, when MP3 is unlocked, it is
required to slide up to close the screen lock firstly, then