Connecting grandMA3 to Vision 2021 Overview Vision 2021 SP2.1 and later versions can connect to any type of grandMA3 lighting control system, including grandMA3 consoles and onPC computers. The version of grandMA3 software must be 1.4 or later.   Vision uses MA viz-key technology to connect to the grandMA3 and join an MA-Net3 session. Learn more about the viz-key at www.malighting.com/viz-key   Once you have installed the viz-key driver: If the viz-key is not