Console apparatus and control method for device

A console apparatus for controlling a device comprising:

• a display device and at least one buttons, wherein display on the display device and the device is controlled in response to a button operation by a user;
• a normal display unit for displaying a normal representation on the display device when the device is in a normal state in which the button operation is waited for under a condition in which the device is capable of executing an essential operation of the device upon predetermined button operation;
• a menu display unit for displaying a menu representation related to one of a setting and maintenance operation when the device is in a setting state in which a button operation is waited for under a condition in which the device is capable of executing or controlling the one of the setting or maintenance operation upon predetermined button operation;
• a hint display unit for displaying a hint representation showing a guidance or a hint related to a next button operation on the display device when a predetermined time passes without the button operation under the setting state;
• a returning unit for returning the state of the device to the normal state upon a first button operation when the hint representation is displayed;
• and
• a redisplaying unit for redisplaying the menu representation upon a second button operation when the hint representation is displayed.