POWER: Lit (red) when the external power supply is connected properly.
USB input. This is used for firmware updates, or to play JPEG presentations, or MP3 audio.
Note: These features are controlled using the On-Screen Display (OSD), so a video display must be connected to the HDMI output.
Video / audio source selection buttons.
MENU: Actives the OSD. Also can be used to cancel the last operation.
ENTER: When the on screen menu is accessed, this button confirms a selected option. When USB mode is used, the ENTER button starts the playback of a selected media file.
IR (infrared) internal receiver. For use with the remote control.
When the OSD is not in use, the left button and the right button are used for volume control (VOL-, VOL+). When the OSD mode is enabled, the direction keys are used to navigate through the on-screen menus to select picture settings, audio settings etc.
12V DC: External power supply connector.
RS232: Serial connector for bi-directional pass-thru communications.
VGA video input.
VGA stereo audio input.
YPbPr and stereo audio input.
S-Video/C-Video and stereo audio input.
HDMI output. Embedded with digital audio with level controlled by scaler.
Stereo audio output. The audio from the selected video will be switched to this output, including embedded HDMI audio.