TAG MIL-BOOK 200 Series - Manual (Page 48)

Operating Your Computer 2-21
Connecting Audio Devices
For higher audio quality, you can send or receive sound through external
audio devices.
Microphone Connector ( ) can be connected to an external
microphone for recording voice or sound.
Audio Output Connector ( ) can be connected to the line-in
connector of powered speakers with built-in amplifiers, headphones,
or earphone set. This connector is compliant with S/PDIF
(Sony/Philips Digital InterFace). You can connect audio equipment
with S/PDIF to the computer. S/PDIF is a newer audio transfer file
format that ensures a high quality digital audio output through optical
fibers.
NOTE: When using external speakers/headphones or microphone, you cannot use the
internal one.