Marantz ND8006 Owner's Manual page 124

Contents Connections
Audio from digital devices cannot be played back (Coaxial/Optical)
"Signal Unlock" is displayed.
When digital audio signals cannot be detected properly, "Signal Unlock" is displayed. (v p. 71)
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"Unsupported" is displayed.
"Unsupported" is displayed when audio signals that are not supported by this unit are input. Check the audio output signal format from your digital
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device. (v p. 71)
Front panel Rear panel
Playback Settings
124
Remote control
unit
Tips
Index
Appendix