16. How to use the HDMI IN and HDMI ARC mode in R9?

How to use the HDMI IN mode? The HDMI IN mode of the R9 supports audio and video signal reception, as well as transmitting the received video signals to the monitor.

1. Switch to the HDMI IN mode on the drop-down menu.

2. Connect the audio device with HDMI output to the HDMI IN port of the R9, and then connect the HDMI OUT port of the R9 to the monitor to cast the display of the audio device to the monitor, and the sound will be decoded and output on the R9 (e.g., connect the computer to the HDMI IN of the R9, and then connect the R9’s HDMI OUT to the monitor).

3. When connecting the R9 to an audio device, such as a computer, you need to select the corresponding sound card device in the audio settings on the computer.

How to use the HDMI ARC mode?

1. Switch to the HDMI ARC mode on the drop-down menu.

2. Connect the audio device with the ARC function (such as a smart TV supporting ARC) to the HDMI OUT (ARC) port of the R9.