Ruizu X02 - Volume Adjustment

5
5.Return
While on playing interface, press the VOL button to exit, and
the press the left arrow button continually to back to the
main menu.
While on sub menu, press the button to up level menu.
6.Volume Adjustment
Hold the button VOL to open volume control interface, press
M/VOL button to increase/decrease the volume. Press the
button quit.