from the user in other words when the user desires to change the third priority u201c record to dvd u201d to second priority the user selects the corresponding task handler to move the same to a desired priority display position here the priority change information 203 is provided to the priority changer 11 referring to fig2 d the hybrid device changes the priority of the selected task handler based on the priority change information 203 and displays the change result on a priority change result menu 24 as shown in fig2 d task handler u201c record to dvd u201d selected by the user holds the second position referring to fig2 e the hybrid device displays a changed content application type selection menu 25 to allow the user to determine the application of the changed priority to the hybrid device accordingly the changed priority may be applied to the hybrid device once permanently or may be set by default the memory 12 stores information regarding the changed priority according to the application type selected by the user in more detail when the user determines to apply the changed priority to the hybrid device once the information regarding the changed priority is stored in a temporary memory thus the function key operates only once according to the changed priority and returns to initial priority stored in the memory 12 as a result information regarding the priority stored in the.