3. Lock the screen: when this device is on, press the Lock button to enter the screen locking mode, with the LCD display off automatically; to unlock it, press this button again. If you enable the “Screen locking manipulation” function in the System Settings menu, skipping songs, skipping forward or backward, pausing, resuming playing and volume adjustment all are available when the screen is locked. Note: the device can be set for “Automatic Standby” in 1, 3, 5, or 10 minutes under standby status. When playing, user could also set the playing time in the “shutdown timer” option, the device will then shutdown when timer counts down to 0. 1. Reset button2. Previous selection button3. Play/Pausebutton4. Next selection button5. TF card port6. Type-C USB data port7. Earphone/Line output8. 2.5mm balanced earphone output9. 3" TFT LCD display screen (480x800)10. Power/Lock button11. Multi-functional knob12. Return buttonNames of PartsOperation InstructionsPower ON / OFF / Screen Locking1. Power on: boot up this device by holding the Power button, then the LCD display turns on.2. Shutdown: power off this device by holding the Power button for 5 seconds, then the LCD display turns off.10111212 3456798