You can select the source for the audio to the output via HDMI connector in OUTPUT 1/2.
At the Audio menu, select one from below in [HDMI Output]. Here are your options:
| Ch1. HDMI Audio | Only HDMI audio channel 1 is output. |
| Ch2. HDMI Audio | Only HDMI audio channel 2 is output. |
| Ch3. HDMI Audio | Only HDMI audio channel 3 is output. |
| Ch4. HDMI Audio | Only HDMI audio channel 4 is output. |
| Audio In | This is the default setting. Input made via the [AUDIO IN] connectors on the rear panel is output. |
| Mixer | The mixed result of all above sources is output. |
Select [Mixer] in the Audio menu to adjust volume for the respective sources.