An arrangement and method of measuring head-media spacing modulation removes the portion of out-of-plane motion caused by disk modes from the dynamic measurements of hard disk surface topography. The methods of preparing the active compounds utilize different intermediate compounds. This smoothing processing may cause a color originally not having the lightness equal to or lower than blacking lightness to be converted to a color having lightness equal to or lower than the blacking lightness. Each of the first buttons produces an output signal in response to a predetermined movement of the button, and includes a variable display for displaying a card. When data is received from the server management device, a determination is made as to whether the received data includes time data.