Marantz SR5012 Owner's Manual page 294

3) Connect the receiver to your TV with
an HDMI cable
HDMI OUT
MONITOR 1
Receiver (Rear panel)
ARC (Audio Return Channel) :
If your TV supports ARC, your TV can send audio back to the AV receiver
when you are using your TV's built-in video sources (TV tuner, Smart TV
streaming services, etc...) ARC requires that you enable HDMI CEC on
your TV. Please refer to your TV's Owner's Manual for instructions on how
to setup HDMI CEC. Note that some TV manufacturers use other names
for the HDMI CEC function.
HDMI IN
HDMI cable
4) Turn on the TV
5) Select the appropriate HDMI input on
your TV
HDMI
TV remote control unit
TV/
or
INPUT
VIDEO
TV remote control unit
6