Samsung SP-H03 - Manual (Page 29)

Using 3-2
3-2-2. Control Buttons
The control buttons can be found on the top of the projector.
The [ ] buttons can be used to control the volume during video or audio playback.
NAME DESCRIPTION
Power button Turns the projector on or off.
Direction buttons Navigates displayed menu items and adjusts values.
Select button Confirms a selected function when a menu is displayed.
Menu button Displays a menu.
Back button Returns to the previous menu.