In order to provide a lighting control power supply that makes it possible to reduce the number of inputs required for a user when setting each of control parameters, and achieves an intuitive transition between setting input screens of each of control setting items in a plurality of lighting devices, it is configured to, when an input in a first direction is given to an input device, cause a display device to display a setting input screen related to a controller being different than before the input, and it is configured to, when an input in a second direction is given to the input device, cause the display device to display a setting input screen related to the control setting item being different than before the input.