Marantz NA6005 - Manual (Page 110)

o Audio from digital devices cannot be played back (Optical)
Symptom Cause / Solution Page
“Signal Unlock” is
displayed.
0
When digital audio signals cannot be detected properly, “Signal Unlock” is displayed. 81
“Unsupported” is
displayed.
0
“Unsupported” is displayed when audio signals that are not supported by this unit are input. Check the
audio output signal format from your digital device.
81
Contents Connections Playback Settings Tips Appendix
110
Front panel Rear panel
Remote control
unit
Index