The controller has no HDMI output, but if you get a Crystal Sky display or Smart Controller, it has a seperate HDMI output you can connect a monitor with. Also you can try to Apple TV stream it from an iPhone attached to your controller. Some other android tablets also can output HDMI, but I don’t know models of those besides CS.
there are a couply of YT videos wherein guys have connected 27"+ TV's via an HDMI.
They do this so others can watch the flight.
It's probably their birthday, so...