Yamaha RX-V671 Service Manual page 37

A3. HDMI AUDIO
This menu is used to check the route of audio signal input to HDMI IN/OUT.
* Before check using "A3-3. ARC 1" menu, be sure to connect a TV monitor equipped with Audio Return Channel
function to this unit in advance.
A3-1. HDMI AUTO
The audio signal input to selected HDMI IN is output.
A3-2. INVALID ITEM
Not for service.
A3-3. ARC 1 (Audio Return Channel function)
The audio signal input from HDMI OUT is output.
A3-4. INVALID ITEM
Not for service.
RX-V671/HTR-6064/RX-A710
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