How can I enable the Overwrite Mode in Global DVR & nDVR settings?

The new Global DVR & nDVR Settings feature simplifies managing DVR and nDVR functionalities across all your streams. With the overwrite mode, you can enable, disable, or adjust retention periods easily, saving you time when managing multiple streams. Benefits: Simplifies DVR and nDVR management. Provides centralized control over retention settings for multiple streams. Once the overwrite is saved, it will apply to all streams in your service, updating and standardizing the settings across all