Using this Panasonic camcorder is quite straightforward. Just power it on and start shooting your videos. However, remember it doesn't have an external power supply, so you'll need to make sure your battery is fully charged. As the menu button piece is missing, you might face a bit of trouble when accessing the menu. Try using the other available buttons to navigate as much as possible. For maintenance, keep the camcorder in a dry and clean place. Regularly clean the lens with a soft cloth to ensure clear video quality. And don't forget to check the battery regularly to avoid any unexpected power - off during shooting.