Marantz AV7703 Owner's Manual page 290

Contents Connections
Resetting factory settings
Perform this procedure if the display is abnormal or if operations cannot be performed.
Various settings are reset to the factory default values. Make settings again.
X GAME
INFO
Front panel Display
Playback Settings
1
Turn off the power using X.
2
Press X while simultaneously pressing GAME and
INFO.
3
Remove your fingers from the two buttons when
"Initialized" appears on the display.
290
Rear panel
Tips
Remote Index
Appendix