Listening to music via a digital connection (COAXIAL/OPTICAL-1/OPTICAL-2)
Press 
to switch the input source to “COAXIAL”, “OPTICAL-1” or “OPTICAL-2”.
to switch the input source to “COAXIAL”, “OPTICAL-1” or “OPTICAL-2”.The digital audio signal that is being input is shown as follows in the display.
You can also press INPUT SELECT 
on the remote control unit for this operation.
(xxxx is the sampling frequency.)
If the sampling frequency cannot be detected, “Unlocked” will be displayed.
“Unsupported” is displayed when audio signals that are not supported by this unit are input.
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.