Patent ID: 7532367

Claim:
An electronic device, comprising: a display unit configured to display a plurality of keys that are used to select parameters or functions of the electronic device; a push time determination unit configured to determine whether each of the plurality of keys has been pushed for a period of time that is less than a predetermined period of time or for a period of time that is equal to or greater than a predetermined period of time; and a control unit operatively connected to the push time determination unit and configured to determine that the keys determined to have been pushed are selected and executes parameters or functions associated with the plurality of keys, wherein when the push time determination unit determines that one or more of the plurality of keys have been pushed for a time period that is less than the predetermined period of time and one of the plurality of keys have been pushed for a time period equal to or greater than the predetermined time period, the control unit will determine that multiple keys have been selected and all parameters or functions associated with those selected keys will be executed, and when the push time determination unit determines that only one of the plurality of keys has been pushed for a time period that is equal to or greater than the predetermined time period, the control unit will determine that the one key has been selected and will execute all parameters or functions associated with that selected key.