Patent ID: 7965873

Claim:
A portable electronic apparatus, comprising: a biometric information reading unit which reads biometric information of a user; a storage unit which stores, in association with each of a plurality of functions provided in the portable electronic apparatus, biometric information of an administrator who is entitled to change a flag that indicates whether usage of the each of said plural functions is restricted to certain users; a function selection unit which selects at least one function from said plural functions; a display unit which displays an image associated with the selected function; a determination unit which, in a case where the biometric information is read by the biometric information reading unit while the image associated with the selected function is being displayed, determines whether the read biometric information coincides with the stored biometric information of the administrator associated with the selected function; and a change unit which changes the flag that is stored in association with the function selected, when the determination unit determines that the read biometric information coincides with the stored biometric information of the administrator associated with the selected function; wherein when the determination unit determines that the read biometric information and the stored biometric information of the administrator associated with the selected function coincide, and the stored flag indicates that usage of the function is restricted to the certain users, the display unit prohibits the image associated with the selected function from being displayed.