.ANALOG IN OPTICAL INPlaying digital input1 Prepare for playback.Check the connection, then turn on this units. “Connecting a digitaldevice” (v p. 19)2 Press OPTICAL IN to switch the input source to“OPTICAL”.3 Play the component connected to this unit.NOTE0 Do not input non-PCM signals, such as Dolby Digital and DTS. This causes noiseand could damage the speakers.0 “UNLOCK” is displayed when audio signals that are not supported by this unit areinput, or the sampling frequency cannot be detected.o Specifications of supported audio formatsSee “DIGITAL IN” (v p. 61).Contents Connections Playback Settings Tips Appendix38Front panel Rear panel Remote controlunit Index