You need to be a registered user of the Center for Microscopy and Image Analysis and you need to have had an introduction on how to use it. Then the person giving the introduction will unlock the instrument for you in the system.
Finally you can reserve the instrument in the reservation system using your CORE login which you received when you registered as a user.
At the Instrument
Once you have reserved an instrument you can log onto the instrument computer using your Core account which you received when you registered as a user.