To use this Blackmagic Design ATEM 2 M/E Production Studio 4K, first connect it to the correct power supply that comes with it. After powering on, you can start using the software version 9.0.1. Be aware that some of the backlights are either not working or are dim, but this shouldn't affect the overall functionality. When it comes to maintenance, keep the device in a clean and dry place. Avoid exposing it to extreme temperatures or moisture. If you encounter any other issues, refer to the official Blackmagic Design support.