Connect and playback from a digital device (Coaxial/Optical)
Connect digital device to this unit. link
Press the input source select button (COAXIAL or OPTICAL) to switch the input source to “COAXIAL” or “OPTICAL”.
Start playback of the digital device connected to this unit.
The COAXIAL or OPTICAL input indicator flashes if this unit cannot detect the sampling frequency of the input signal.
Press VOLUME 
to adjust the volume.
to adjust the volume.Files that can be played back
See D/A converterlink.
NOTE
Do not input non-PCM signals, such as Dolby Digital, and DTS. This causes noise and could damage the speakers.
If the sampling frequency switches, such as from A mode to B mode in a CS broadcast, muting may operate for 1 – 2 seconds, cutting the sound.