A wireless mouse perchance?
It probably was but she picked it up and moved it so I assume the cursor wasn't pointing at anything!
I suspect it was like the buttons that are used for switching on Christmas lights - just a prop, with someone else actually pressing the button.
It was a nice way to do it, many US TV stations did the same thing on their lunchtime news bulletins on their switch over day
It must have been spoof, also you saw RTE 1 (along with 2/3/4) vanish on the monitor stack, before the analogue signal actually died, otherwise we'd have seen nothing !!
I've watched the whole programme on the RTE website, it was excellent I thought
Straightforward, technical enough not to patronise the technically minded, but also
not to go over the heads of the non technical. Recognition of the engineering
challenges required not only for DSO, but in establishing the original service 50 years ago,
And also a nod towards the equipment manufacturers, which is frankly extraordinary !!
Lastly,formal but relaxed and not stuffy.
Not withstanding BBC NI's Pres Dept, I can't imagine such a programme these days on UK TV,
without either turning it into some sort of joke, or dumbing the detail down to