USER INTERFACE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a user interface device which enables a user to easily find a location of an operation key in a series of operation inputs.

SOLUTION: The user interface device includes: a setting operation history storing part which stores a setting operation history record in which a content of a setting operation carried out by a user for each of past jobs which have been executed is recorded; a setting operation history retrieving part which retrieves the setting operation history record in which the same setting content as the current setting content is recorded; a total operation frequency calculation part which calculates the total operation frequency for each operation key from the setting content recorded on the setting operation history record in which the same setting content is recorded; and an operation key display type determination part which estimates relative degrees of likelihoods to be used by the user of the operation keys based on the total number of operations for each operation key, and determines a design to be used to display the operation key based on the estimation out of a group of designs including at least a first design for normal display and a second design for highlighted display.

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