CONTROLLER, METHOD FOR CONTROLLING THE SAME AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a security system which improves security in the case of operating a device and is safety and good to use by allowing an operator to change a usable function in accordance with a security level. SOLUTION: Based on which authentication method among a plurality of different authentication methods of an authentication part 6 is sued for the purpose of authenticating the operator, an operation part picture control part 51 differentiates function display which can be indicated by an operation part picture 52 to restrict an indicate-able operation mode in accordance with the authentication method.