Denon AVR-X7200W Owner's Manual page 273

Contents Connections
0 Some manufacturers use more than one type of preset code. Preset codes to
change the number and verify correct operation.
0 To unregister the device from a button and reset to the default setting, set the AVR
code "73347" to the button.
NOTE
Depending on the model and year of manufacture of your device, some buttons may
not operate.
Front panel Display
Playback Settings
Rear panel 273
Tips
Remote Index
Appendix