Denon AVR-S670H Owner's Manual page 177

Contents Connections
o Auto Standby
Set so the unit power automatically switches to standby.
Sets the time for switching to auto standby when there are no audio or
video signals input into this unit.
Before the unit enters standby mode, "Auto Standby" is displayed on
the unit display and the menu screen.
60 min:
30 min:
15 min:
Off
(Default):
Front panel Display
Playback
The unit goes into standby after 60 minutes.
The unit goes into standby after 30 minutes.
The unit goes into standby after 15 minutes.
The unit does not go into standby
automatically.
Rear panel
Settings
177
Remote
Tips Appendix
Index