Denon AVR-S730H Owner's Manual page 217

Contents Connections
Resetting factory settings
If the indicators are incorrect or the unit cannot be operated, restarting the unit may improve the problem. We recommend restarting the unit before
returning the settings to the default settings. (v p. 200)
If the operations are not improved by restarting the unit, follow the steps below.
Various settings are reset to the factory default values. Make settings again.
X TUNER PRESET CH –
TUNER PRESET CH +
Front panel Display
Playback Settings
1
Turn off the power using X.
2
Press X while simultaneously pressing TUNER
PRESET CH + and TUNER PRESET CH -.
3
Remove your fingers from the two buttons when
"Initialized" appears on the display.
0 Before returning the settings to the default settings, use the "Save & Load" function
from the menu to save and restore the details of various settings configured on the
unit. (v p. 195)
217
Rear panel
Tips
Remote Index
Appendix