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Title

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1		-LHT65-PIR Temperature/Humidity/PIR Sensor User Manual
	1	+LHT65-PIR Temperature/Humidity/PIR Motion Sensor User Manual

Content

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156	156	[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
157	157
158	158
159		-== 2.4 Uplink Payload~-~-Device Status, FPORT~=5 ==
	159	+== 2.4 Uplink Payload~-~-Device Status, (Fport~=5) ==
160	160
161	161	Users can use the downlink command(**0x26 01**) to ask LHT65N-PIR to send device configure detail, include device configure status. LHT65N-PIR will uplink a payload via FPort=5 to server.
162	162
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307	307
308	308	* Humidity:    0x025C/10=60.4%
309	309
310		-
311	311	=== 2.5.5 Ext value ===
312	312
313	313	==== 2.5.5.1 Ext~=0x0A, PIR Sensor ====
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395	395
396	396	== 2.8 installation ==
397	397
398		-~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.
399	399
400		-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.
401	401
402	402
	402	+**Notice: PIR can only detect motion activity, not to use to detect static people case.**
403	403
	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).
	409	+
	410	+
	411	+
	412	+
404	404	= 3. Sensors and Accessories =
405	405
406	406	== 3.1 E2 Extension Cable ==
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530	530	* **AT+UOA=0**  : Disable UoA
531	531	* **AT+UOA=1,2** :  Enable UoA , Calm Down Time: 2 minutes. If device already send a uplink on activity, it will not send another uplink on activiy in 2 minutes, even detect activity.
532	532
	542	+Notice: Calm Down time range is 1 ~~ 65535 minutes. If user set Calm Down time to low value, such as 1 minute, the sensor might send uplink very frequenctly and battery drain fast.
	543	+
533	533	(% style="color:#4f81bd" %)**AT Command: AT+UOA**
534	534
535	535

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