Lock Screen; Return; Volume Adjustment - Ruizu D05 User Manual

If it still can't work for you. Ask RUIZU Customer
Service for additional help (See Cover)

4.Lock Screen

Use the switch on the left to lock the screen. Repeat
to unlock.
Note: Lock Screen will make buttons not working. If
you accidentally locked your screen , just use the
switch to unlock.

5.Return

While on playing interface, touch the button to
exit.

6.Volume Adjustment

While on playing interface, touch / to adjust
sound volume.
Note: There's a built-in speaker in RUIZU D05 MP3
Player, the speaker will turn on automatically when
no earphones are plugged in.
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