Techniques for displaying chromatographic data using a graphical user interface are provided. The shifter assembly includes a pin engaging a lever and one of a handle and a support and rotatable towards first and second ramps to define a first range of movement between the lever and one of the handle and the support. The controller controls the inverter section so that a transfer characteristic of input voltage of the inverter section versus the DC voltage from the rectifier section becomes a damping characteristic given by a phase lead element and a second-order lag element connected in series, and a damping coefficient of the transfer characteristic is set larger than 1. The conductive flexible board is partially disposed at the first substrate and electrically connected to the driving circuit. A user application executable for sequencing motion operations in the motion system is created using the first API is created in response to user input.