Patent ID: 8466996

Claim:
A condition change unit for changing operating conditions of a device, comprising: a display section for displaying images; a touch panel provided on the display section; a detection section for detecting input operations to the touch panel; a change condition setting section for setting types of change conditions, based on a mode of the input operations detected by the detection section; an operation guide image display section for displaying guidance images, for setting specific parameters of the change conditions, on the display section, in accordance with the type of change condition that has been set; and a parameter change section for changing parameters of the change condition based on an input operation to a screen on which the operation guidance operation images are displayed that has been detected by the detection section, wherein when the mode of the input operation includes a rotation operation, the change condition setting section switches and changes the change condition in accordance with a magnitude of a radius of the rotation operation, and the operation image guidance section displays two circular type objects so as to indicate the radius of the rotation operation, as the operation guide images.