- Be sure your non-legacy Videon device is updated to the latest software using the Check for Updates button located on the Advanced page of the web UI
- Navigate to the appropriate Input Settings in the Encoder Control page of the web UI
- Scroll to the bottom of the page and Turn On AV Input Preview
- Configure the pixel width of the preview as well as the number of times it Updates per Second
- Click Save, and you should see the AV Input preview appear!