SIIG 7.1 - Manual (Page 3)

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• Volume (+, -): Increases or decreases the system
volume. Supports analog speakers only.
• Audio Out: Connect headphones or stereo speakers
via mini-3.5mm stereo plug. Doubles as an S/PDIF
Optical out when used with the included S/PDIF
Optical adapter.
• Volume Mute: Press this button to turn off the
system sound. Press the button again to turn on the
system sound, pause for several seconds between
button presses. Supports analog speakers only.
• Microphone/Line In Mute: Press this button to
mute Microphone/Line In. Press the button again
to turn on Microphone/Line In.
• Microphone/Line In: Connects MP3 players, CD
players, iPods and other audio output devices for
playback* or recording, connect a microphone and
turn your system into a P.A.* or Karaoke* system.
*Note: Playback, P.A., and Karaoke supports analog
speakers only.
• Power/Activity LED: The light will be on when the
system is powered up. The light will blink when
activity is detected, however, the light is not affected
by Microphone/Line In inputs.
• Microphone LED: When the Microphone/Line In
is muted, the light will turn on.
• USB Connector: Plugs into the system's USB port.