Using this product is quite straightforward. First, connect the power supply that comes with it to make sure it gets the right power. Then, use the USB control to set it up according to your needs. You can connect it to your HDMI or DVI devices easily. When using it, avoid exposing it to extreme temperatures or humidity. For maintenance, just keep it clean and dust - free. If you encounter any issues, check the connections first and make sure the power supply is working properly.