Yamaha RX-V681 Service Manual page 41

A3. HDMI AUDIO
This menu is used to check the route of audio signal input to HDMI IN/OUT jack.
* 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
A3-2
INVALID ITEM
A3-3
ARC 1
A3-4
INVALID ITEM
A3-5
INVALID ITEM
A3-1. HDMI AUTO
The audio signal input to selected HDMI IN jack is output.
A3-2. INVALID ITEM
Not for service.
A3-3. ARC 1 (Audio Return Channel function)
The audio signal input to HDMI OUT jack is output.
A3-4. INVALID ITEM
Not for service.
A3-5. INVALID ITEM
Not for service.
RX-V681/RX-A760
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