In the Ad Services section, the Positions screen allows you to manage the instream ad positioning of your Playouts.
1.0 | Edit Playout ads
Edit the ad positioning of a Playout by clicking the edit button on the right of the page.
2.0 | Create and adjust ad positioning
On the edit screen, create a new instream ad unit by clicking one of the Create links, and then either create new or assign an existing line item. You can also choose to either enable or disable ads on the playout by toggling the switch at the top of the page.