Hi, can anybody tell me what the output - top left in the photo is?
https://www.dropbox.com/s/8n30q2jizfb9k5n/Image 22-10-2019 at 21.34.jpg?dl=0
https://www.dropbox.com/s/8n30q2jizfb9k5n/Image 22-10-2019 at 21.34.jpg?dl=0
![Image%2022-10-2019%20at%2021.34.jpg](https://www.dropbox.com/s/8n30q2jizfb9k5n/Image%2022-10-2019%20at%2021.34.jpg?dl=0)