This Hitachi TU - Z3A camera control unit comes with a correct power supply. A minor issue is that the fan may rattle loudly at startup due to imbalance, but it usually quiets down within seconds.

Using this Hitachi TU - Z3A camera control unit is easy. First, connect it to the correct power supply provided. When you start it up, don't be alarmed if the fan makes a loud rattling noise. It's normal and will stop after a few seconds. As for maintenance, keep it in a clean and dry place. Check the power supply regularly to ensure it's working properly. If the rattling noise doesn't stop or gets worse, it might be time to get it checked by a professional.