Denon AVR-X550BT Owner's Manual page 90

Contents Connections
Error messages
An error message is displayed if "Auto Setup" could not be completed due to speaker placement, the measurement environment, etc. If an error message
is displayed, perform the necessary measures. Be sure to turn off the power before checking speaker connections.
Examples
Front L: None The displayed speaker could not be detected.
0
Front panel Display
Playback
Error details
90
Rear panel
Settings Tips
Measures
Check the connections of the displayed speaker.
0
Remote Index
Appendix