Line out: Output audio to external devices such as speakers or earphones.
Line in: Input audio from an external CD player or radio.
1.Connect the audio device to the system.
2.Install the driver before you use the device.
3.9 Ethernet
External devices on your network may be connected to the system through the external Ethernet port located on the rear side of the system unit.
1.Be sure the panel PC is turned off.
2.Connect the external device(s) to the panel PC.
3.Turn on the panel PC and the external device(s).
4.Run the Ethernet driver to connect up to the network.
