Using the DX Ultra D Flasher is a breeze. Just insert an Ultra Dimension Card into the flasher, and it will start reading the card right away. When you're done using it, make sure to keep it in a dry and cool place to avoid any damage. Also, handle the included cards gently to prevent scratches. If you have any other Ultra Dimension Cards, you can use them with this flasher too. That's all there is to it - simple and easy!