Abstract: Disclosed herein is a recording media recorded with data of a plurality of buttons configuring a group arranged at a same position and selectively executed, each of the plurality of buttons is one of a button for use in an operator screen for prompting a user for an operation including a button image shifting between three states of a normal state, a selected state, and an execution state and a button in which a shift is automatically made from a selected state to an execution state to execute a command, the plurality of buttons including, a first button, and a second button and a third button that belong to the group to which the first button belongs, the second button and the third button each including a flag indicative of automatic transition from a selected state to an execution state.