When the players arrive and are ready to come on, they would need to wait for your signal in the usual way.

If I would have said, "This is a communications seminar, " how many of you would have showed up?

So do not expect just to show up.

If you are a representative of the host, the answer is that you should arrive up to 30 minutes early (you will be given a time, show up when requested).

In the early days, he also believed that a human presence in space would be important for work such as servicing satellites.