Using this JVC RM - LP25U remote control panel is easy. First, connect it to your GY - HD250, GY - HD201, or GY - HD200 ProHD HDV camcorder following the connection guide on the device. Then, you can use the buttons on the panel to control functions like starting and stopping recording, adjusting settings. When not in use, store it in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. Regularly check the connection cables for any signs of wear and tear. If you encounter any problems, refer to the camcorder's user manual or contact JVC support.