| 摘要 |
The device (1) has a lighting device that is mounted to a wall (12) at a mounting height of about 0.4 to 0.8 m from a floor (11), where the lighting device illuminates a predetermined area (13) of the floor. The predetermined area has a rectangular shape and has a width of about 3 m in a direction perpendicular to the wall. The predetermined region has a length of about 8 m in a direction along the wall. The lighting device is switched on in response to receiving an alarm signal e.g. fire alarm signal. A motion detector generates a motion signal in response to detected movement. |
