How to activate HDMI CEC?

Please follow the instructions below to activate the HDMI CEC

1. Press the Home button on your Roku remote.
2. Scroll up or down and select Settings.
3. Select System.
4. Select Control other devices (CEC).
5. Scroll up or down and highlight System audio control.
6. Check the box to enable System audio control.
7. Highlight 1-touch play.
8. Check the box to enable 1-touch play.