16Reverse SideHDMI IN 2HDMI IN 1DC 14V USB (PC)― The color and shape of parts may differ from what is shown. Specifications are subject to change without notice to improvequality.Port DescriptionDC 14V Connect to a DC power adapter.HDMI IN 1 HDMI IN 2 Connect to a source device using an HDMI or HDMI-DVI cable.USB (PC) To use the touch function of the product, connect the USB (PC) port on theproduct to a USB port on a PC using the USB (PC) cable provided with theproduct.― Only a PC can be connected to the port.Connects to the audio of a source device.