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，但PIR可以识别动作和微小动作，并且可以支持调节灵敏度，可以减少微小动作场景的下的漏检情况。另外，配合空闲超时来进行会议室策略，比如设置空闲超时时间为15分钟，在15分钟内完全没有检测到移动物体才会上报会议室没人，可以尽可能保证不会漏检（一般正常情况不会出现连续15分钟一个动作都检测不到的会议室场景）。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"顶装至天花板上且天花板上有一台投影仪，会影响到检测么？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"红外线穿透力比较差，当人的移动视线被投影仪或其他物体遮挡住的时候，不容易被传感器接收到红外线，也就有可能会出现无法感知的情况，建议检测区域尽量避免物体（如吊灯、投影仪）遮挡探测视线。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"可以将RoomSensor安装在天花板的空调出风口或通风窗户边么？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"有温度的物体和移动的气流会影响传感器的准确度，容易造成误报的情况，建议将传感器安装在远离热物体或移动气流1.8米或更远的地方为佳。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"灵敏度是不是越高越好？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"不是，灵敏度高虽然对于微小动作的感应灵敏程度提升了，但是人体无关的外界因素也容易混入，比如周边照明灯温度、窗外热气流扰动等也容易混入，会导致实际会议室没人可上报有人的误报情况。建议还是根据会议室场景以及实际调试下选择合适的灵敏度。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"会议室电子门牌添加传感器时，搜索到附近存在多台传感器蓝牙信号，如何区分？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"打开RoomSensor底壳，内部有该台设备的蓝牙名称标签信息，在搜索到的蓝牙列表里对应即可。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"RoomSensor使用什么方式供电？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"干电池供电，型号CR-123A，与有线供电方式，干电池供电的方式部署更加灵活，省去了布线的困扰。当传感器与电子门牌配对后，可在电子门牌的 "},{"type":"image","attrs":{"src":"","alt":1627039911118,"title":"image","file-id":"11uhgyodt99fqukf2w12jn9gzdtoev","width":0,"height":0,"origin-width":"auto","origin-height":"auto","layout":"none","rotate":"0deg","translate":"0px,0px"}},{"type":"text","text":" > "},{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"设备设置"},{"type":"text","text":" > "},{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"传感器"},{"type":"text","text":" (默认管理员密码：0000) >"},{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"查看详情"},{"type":"text","text":" 里查看传感器当前电量。电池正常使用寿命是4年，如果长时间使用高灵敏度检测，一定程度上会减少电池寿命。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"一台会议室电子门牌可配对多少台RoomSensor？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"一台会议室电子门牌最多配对4台RoomSensor。在实际场景中我们需要开启测试模式，并根据会议室实际大小及会议室的布局（如天花板是否有类似投影仪，聚光灯之类的设备遮挡传感器检测角度）来判断传感器部署数量。"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","marks":[{"type":"textStyle","attrs":{"bold":true,"author":""}}],"text":"检测覆盖范围内的微小动作是不是一定能检测出来？"}]},{"type":"paragraph","attrs":{},"content":[{"type":"text","text":"识别微小动作的覆盖范围是半径3米内，是指传感器在该范围内可识别微小动作，但因为微小动作的移动幅度大小等差异，还是会存在漏检的可能，因此被检测人体越接近传感器，越容易被识别，也可以多传感器配合使用，也有助于提高识别准确度。"}]}]}