Watched a video - yes, it's super easy! :) Here is a video about it: https://www.youtube.com/watch?v=W1RsvukUgQQ

Directly below the monitor, in the centre of the frame, there is a small control element where you can also switch the monitor off and on. And with some restrictions, you can also operate it.

Both the supplier and the manufacturer themselves state 8ms (GTG).