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395	395	== 2.8 installation ==
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397		-~1. Don't install LHT65N-PIR outdoor or place where will get wet
	397	+~1. Don't install LHT65N-PIR outdoor or place where will get wet.
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399		-2. Towards the PIR probe to the place where need to monitor activity.
	399	+2. Towards the PIR probe to the place where need to monitor activity. Below is the detect beam.
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	402	+**Notice: PIR can only detect motion activity, not to use to detect static people case.**
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	404	+* 1. PIR Motion Detector should not be installed near the Air conditioner places where with cold wind or hot wind flow, because PIR motion detector is sensitive with the temperature changes of the environment. Environment changes quickly will cause a false alarm.
	405	+* 2. PIR should not be installed facing the glass window, facing glass window will be interfered by the outside sunlight and moving objects (people or vehicle). The infrared energy can penetrate the glass window.
	406	+* 3. PIR should not be installed facing the moving objects or background changing objects, movement object will cause airflow change, it may cause false alarm.
	407	+* 4. Between the detection range of PIR Motion detector, there is should be less objects.  Many objects may reduce the sensitive of detection range.
	408	+* 5. Do not install more than one (2 or above) Wireless PIR in the same detection space (like at the same room).
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403	403	= 3. Sensors and Accessories =
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405	405	== 3.1 E2 Extension Cable ==