How to scroll up and down in sliced "screen" terminal

I just installed `screen` and like the idea to divide linux terminal into multiple pieces. But I can't figure out one thing: How to scroll up and down, when I'm in `screen`. When I'm using regular linux terminal I can achieve this with <kbd>Shift</kbd> + <kbd>Pg Up</kbd> or <kbd>Shift</kbd> + <kbd>Pg Dn</kbd>`. but unfortunatelly it doesn't work in divided terminal. That's what I mean when saying `screen` and divided terminal: ![enter image description here][1] And that's a regular termina (just in case): ![enter image description here][2] [1]: https://i.sstatic.net/0N9vH.png [2]: https://i.sstatic.net/586le.png