| 摘要 |
PROBLEM TO BE SOLVED: To provide means for improving convenience of a user when an operation lock notice is given from an authentication device.SOLUTION: When panel lock control means receives an operation lock notice from an authentication device, the operation lock notice to operation section control means is delayed and transmitted until an operation state becomes operation stop when operation state managing means holds the operation state of the device to be in the middle of operation. When the operation state managing means is in the middle of stopping execution of processing, the operation lock notice is given to the operation section control means when the operation lock notice is received. When the operation section control means receives the operation lock notice, it displays a panel lock screen on a display section when an operation state control mode is set to be effective. When the operation state control mode is set to be ineffective, display levels of the panel lock screen and the present screen displayed at present or a next screen which is to be displayed next are compared and the screen with the higher display level is displayed on the display section. |
