To provide an electric equipment which has a function in which parameter is set, and enables a user to appropriately adjust the parameters regardless of an ability level of user. A plurality of reception screens having different degrees of detail for received instructions for adjusting parameters are displayed depending on the ability level of user to adjust the appropriate parameters, such as maintenance ability, or presence or absence of the specialized knowledge for the apparatus, or the like, thus the user adjusts the parameter using the reception screen suitable for the user.