Use the ECO Modes to save energy. ECO Mode 1 is suitable for playing CD music, 2ch audio files, and internet radio. The higher energy-saving ECO Mode 2 works well with all of the above, as well as with movies or live concerts.
DSD Playback - Pioneer AV receivers 2013 (SC-1223, SC-2023)
This AV receiver lets you save on blank CDs and skip the SACD stage by recognizing studio-quality DSD (Direct Stream Digital) audio files directly from USB. All you have to do is plug in your external storage device and choose your track.