Using this Sony HXC - D70 camera body is quite easy. First, if you've got your own power supply, connect it to the camera. Then you can start taking high - definition color photos or videos. Remember, since it doesn't come with a power supply, always make sure your power source is reliable. When it comes to maintenance, keep the camera body clean. Use a soft, dry cloth to wipe it down regularly. Don't expose it to extreme temperatures or humidity, as this could damage the internal components. Also, store it in a safe place when not in use to avoid any accidental knocks or drops.