Power Switch: Toggles power on and off.
Mute: Toggles audio on and off.
Focus Out: Adjust the focal point to be further away.
Focus In: Adjust the focal point to be closer.
Left / Right / Up / Down: Navigates through the on-screen display.
OK: Selects the opion your cursor is currently on.
Back: Return to the previous screen.
Input (Short Press): Displays the source selection bar.
Menu (Long Press): Displays the menu.
Vol +: Increases the volume.
Vol -: Decreases the volume.