Using this camera is easy. First, connect the correct power supply that comes with the camera to make sure it has power. Then, you can start using it for your shooting needs. When using, keep it in a stable position to avoid shaking that could affect the video quality. As for maintenance, make sure to keep the camera clean. You can use a soft cloth to wipe the lens regularly. Also, store it in a dry and cool place when not in use to prevent damage. Don't expose it to extreme temperatures or moisture, as this may harm the internal components.