49AppendixTipsSettingsConnectionsContentsFront panel Display Rear panel IndexRemotePlaybackNOTE• Perform operations such as playback and pause on the computer. At this time, youcannot perform operations with buttons on this unit or the remote control.• You can also control the volume and equalizer on the computer. Enjoy playingmusic at the desired volume.• When this unit is functioning as a D/A converter, sound is not output from thecomputer’s speakers.• If the computer is disconnected from this unit while the computer music playbacksoftware is running, the playback software may freeze. Always exit the playbacksoftware before disconnecting the computer.• When an abnormality occurs on the computer, disconnect the USB cable andrestart the computer.• The sampling frequency of the music playback software and sampling frequencydisplayed on this unit may differ.• Use a cable that is 3 m or less to connect to the computer.Connect and playback from a digitaldevice (Coaxial/Optical)1 Connect digital device to this unit (vpage 20).2 Press SOURCE to select the playback media mode to“COAXIAL” or “OPTICAL” (vpage 28).The input digital audio signal is displayed as shown.“COAX: xxxxk” or “OPT : xxxxk”(xxxx is the sampling frequency.)• The L.PCM indicator lights when a Linear PCM signal is detected.• If the sampling frequency cannot be detected, “Unlock” will bedisplayed.2 Files that can be played back• See “D/A converter” (vpage 61).NOTE• Do not input non-PCM signals, such as Dolby Digital, and DTS. This causes noiseand could damage the speakers.• If the sampling frequency switches, such as from A mode to B mode in a CSbroadcast, muting may operate for 1 – 2 seconds, cutting the sound.