Denon HEOS 7 Owner's Manual page 53

Contents
Device Operation
Firmware Error
Errors Hardware Error
Network Error
Volume Change
Mute
Setup Use
Description
Troubleshooting
Front LED Action
(slow blink (NOT fade))
(fast blink)
(quick blink)
(slow blink)
53
Status LED Appendix
Rear LED Action
(off)
(off)
(solid) (solid)
(off)
(off)