Using the Avitech MCC - 8001U Image Scaler / Processor is easy. First, connect it to the correct power supply that comes with the product. This will ensure it runs smoothly. When you turn it on, be aware that the fans are louder than normal, but this doesn't affect its performance. As for maintenance, keep the device in a clean and dry place. Avoid exposing it to dust and moisture. If you notice any issues other than the noisy fans, it's best to contact customer support for further assistance.