What does Panasonic 130 camera user 3 mean?

The "User 3" key of Panasonic 130 camera is a function key, including "User 1", "User 2" and "User 3" respectively. You can enter the switching mode through the menu to customize the functions of these three buttons. For example, define "user 1" as backlight mode, "user2" as face recognition and "user3" as shooting sign. You can set your usual functions according to your own needs, which is a common shortcut. If you don't want to customize, just remember the default settings of the manufacturer. If necessary, click Open, and then click Close. The default is Close. In order to shoot a good video, there are many function keys to remember on the panel, and press them when necessary. If you are not familiar with them, you can't make a good video.