ON = TV/Beamer ON
OFF = TV/Beamer OFF
PC = select the PC in the room as source.
HDMI = select the HDMI output as source.
VOLUME UP = increase volume.
VOLUME DOWN = decrease volume.
COMPUTER: Insert your VGA cable to connect with your computer.
AUDIO: Insert your audio cable to connect to the audio.
HDMI: Insert your HDMI cable to connect to your laptop.