Using this Blackmagic Design UltraStudio 4K is easy. First, make sure you connect it to your computer using the Thunderbolt 2 interface. Then, plug in the provided power supply to power it up. When using it, if you notice some of the button backlights aren't working, don't worry, it's a known issue and won't affect the device's normal operation. As for maintenance, keep it in a clean and dry place. Avoid exposing it to extreme temperatures or humidity. If you want to clean it, use a soft, dry cloth to gently wipe the surface.