| 摘要 |
PURPOSE:To provide a display device which can quickly end surely grasp the position of a patrolling maintenance engineer. CONSTITUTION:When a fault signal is inputted to an information receiving part 21 or a building code is inputted from a key input device 27, an information processing part 22 shows a map of the area peripheral to the relevant building based on the data on a customer information storage part 23 and a map information storage pert 24. At the same time, the building is shown in a dot on the map. Under such conditions, the part 22 calculates the building where a patrolling maintenance engineer is resident through e schedule information storage part 25 end displays the building on the map. Both the patrolling time of the maintenance engineer and the present time are used for calculation of the relevant building. |
