Using this Blackmagic Design UltraStudio 4K Thunderbolt 2 is easy. First, connect it to your computer using the Thunderbolt 2 cable. Then, plug in the power supply to ensure it has enough power. When using it, make sure your computer meets the system requirements for the firmware version 12.7. For maintenance, keep it in a clean and dry place. Avoid exposing it to extreme temperatures or humidity. If you encounter any problems, check the connection of the power supply and the cable first. This device is a great tool for video capturing, so take good care of it to ensure long - term use.