Deepsearch not displaying in navigator after extension enabled

I’ve followed the video enabling the Deepsearch extension …and the documentation says:

To use DeepSearch in Nucleus Navigator, follow these steps:

  1. When connected to a DeepSearch enabled Nucleus server, a camera and hamburger icon will appear …but it doesn’t explain how to connect Deepsearch to Nucleus server so that it displays in the Nucleus Navigator. How do i configure Deepsearch to display in Navigator
    please help