First, when operation input by a user is detected, an operation signal in accordance with contents of the operation is output. Next, a determination is made of whether the operation by the user is a short press operation or a long press operation on the basis of time in which the operation signal is output. Next, if determined that the user has performed the short press operation, a preview screen indicating contents of a predetermined event associated with the long press operation in advance is displayed on a screen of a display section as a preview.