"How to use escape ladder: The ladder installed at the hall on the 2nd floor in the center of the lobby is compactly stored except for emergencies. It extends whenever the smoke detector goes off.
To avoid power problems like power outages, the device is connected to a special emergency power supply. During normal operation, please be sure to switch over to the emergency power supply in order to operate the unit. The emergency power supply is controlled via the switchboard in the north end of the first floor."
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