In the Live Control Room, there are two ways to begin your stream. The options below become available when the Event is in Preview mode.
Option 1: Start immediately by unchecking the 'Sync to preview' player box. This option removes the preview player from the Manage tab.
Option 2: Start Streaming with the 'Sync to preview' player box checked. From the Manage tab, start the Preview Player then click Start Streaming. You can also Insert ads and Slates.
For more info on creating and starting a stream click this link.
The Live Control Room tab is not currently available on mobile or tablet.