| 摘要 |
PROBLEM TO BE SOLVED: To obtain an electronic device which can provide a user with an emergency light when power supply from a commercial power supply is abnormally stopped, and an operation display device which can be used to the electronic device.SOLUTION: An operation display device 2 is attachable to and detachable from a device body 1, and a controller 25 of the operation display device 2 makes a display device 21 display an operation screen for controlling the device body 1 at a normal time, and transmits the information of a user operation with respect to the operation screen detected by an input device 22 to the device body 1. Then, after the controller 25 has detected that the power supply from the commercial power supply 101 to the device body 1 is abnormally stopped, the controller increases a light emission amount from the display device 21 by using power accumulated in a power accumulation part 24. |
