With ‘Fast TV Start’ turned on on your Roku TV, you can quickly start your Roku TV from standby, wake up your TV with commands using a voice remote or Roku Mobile App. When ‘Fast TV start’ is enabled, you can;

Cast music or video to your TV using Airplay for instance. Use a voice assistant to control your TV.

To enable ‘Fast TV start’ on your Roku device or TV, go to settings > System > Power> Fast TV Start > Enable ‘Fast TV Start’. However, this might use more power than the default settings. Here’s a quick video tutorial we made on how to set Fast TV Start on your Roku Smart TV;