![background image](http://html.mh-extra.com/html/bluebird/sf550/sf550_user-manual_2777307012.webp)
3 Overview
6
No. Name
Description
8
Volume up button
Turns the volume up.
9
Volume down button Turns the volume down.
0
Power button
Turns the device or screen on or off. You can lock the device by turning off
the screen.
!
Back button
Returns to the previous page or menu.
@
Home button
Returns to the Home screen.