The picture and sound quality cannot be adjusted while using Google Cast. They are set in accordance with YouTube app, Google Play Movies & TV app, etc. Follow the steps below to adjust picture and sound quality (YouTube as an example):
- Press the HOME button on the remote.
- Select YouTube in the Apps category.
- Play any contents.
- Press the ACTION MENU button on the remote while playing the content.
- Select Picture adjustments or Sound adjustments to adjust the picture or sound quality.
- Perform Google Cast again to check that the picture and sound quality have been adjusted.