An actuator operation amount setting unit prepares the rotational speed command value for an electric motor such that the phase of an intake valve changes in accordance with the target phase. In the use of such services, the need is recognized for improved capability regarding the features available to Internet users, and the integration of audiotex personal ad services and Internet personal ad services. The substrate component is controllably maintained at an elevated temperature during a specified number of defined test cycles. The device generates a second value from the first value.