Patent ID: 9185251
Filing Date: 2015-11-10
Classification: G03G,G06F,H04N

Abstract:
1. An operation device comprising: a predetermined number of hard keys to which a function item indicating a predetermined function is respectively assigned; a function icon display unit that can display a predetermined number of function icons indicating the function item respectively assigned to the predetermined number of hard keys, in proximity of each of the predetermined number of hard keys; a condition icon display unit that can display a condition icon indicating a condition item respectively assigned to the predetermined number of hard keys, at each of the predetermined number of hard keys or in the proximity of each of the predetermined number of hard keys; a function item receiving unit that displays all or a portion of the predetermined number of function icons on the function icon display unit, and receives a first selection of a hard key; a function item change unit that changes an assignment to all or a portion of the predetermined number of hard keys from the function item to the condition item indicating a setting condition of the function item assigned to the hard key of the first selection, respectively, when the first selection of the hard key has been received by the function item receiving unit; a condition item receiving unit that displays a condition icon corresponding to the condition item assigned to the hard key of the first selection on the condition icon display unit and receives a second selection of a hard key, when the assignment to all or a portion of the predetermined number of hard keys is changed from the function item to the condition item by the function item change unit; and a setting condition receiving unit that receives a setting condition indicated by the condition item corresponding to the hard key of the second selection, when the second selection of the hard key on which a condition icon corresponding thereto is displayed has been received by the condition item receiving unit.