Unplug ATEM switcher. (No need to unplug anything else that's plugged into the switcher.)
Make sure to power offcamera by using the knob along the top of the camera. (The screen may go dark after a period of inactivity, so just make sure to check that it is off using the knob on the top.)
Power off left and right studio stand lights. (You may need to hold in the button for a couple seconds when turning off the smaller light.)
Make sure thepresenter has logged out of any sites on the laptop and put the laptop to sleep.
Plug in wireless microphones to USB charging brick to recharge for the next session.