Abstract:
ABSTRACT To improve the ease of use of an operation unit of an equipment unit. An equipment unit having an operation unit is provided. The equipment unit includes a first processing unit which provides a request for displaying a constituting element of a screen; and a first communication unit which accepts the request and designates information identifying the constituting element to transmit a displaying request for the constituting element to the information processing terminal. The operation unit includes a second communication unit which receives a displaying request and; a second processing unit which causes the constituting element related to the identifying information designated for the displaying request received by the second communication unit to be displayed in a form different from a form designated for the request accepted by the first communication unit.