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831	831	[[image:1654831774373-275.png]]
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834		-**(% style="color:blue" %)① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
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	835	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	836	+)))
835	835
836		-**(% style="color:blue" %)② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
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	839	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
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837	837
838		-**(% style="color:blue" %)③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
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	843	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
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841	841	Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
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844	844	[[image:1654831797521-720.png]]
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847	847	In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
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849	849	[[image:1654831810009-716.png]]
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852	852	If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
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864	864
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867		-
868	868	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
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870	870	(((
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871	871	Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
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873	873
874	874	* (((
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875	875	AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
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877	877	* (((
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878	878	LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
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884	884	There are two kinds of commands to configure LLDS12, they are:
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886	886
887	887	* (((
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888	888	(% style="color:#4f81bd" %)** General Commands**.
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892	892	These commands are to configure:
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894	894
895	895	* (((
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896	896	General system settings like: uplink interval.
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898	898	* (((
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899	899	LoRaWAN protocol & radio related command.
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902	902	(((
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903	903	They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
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906	906	(((
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909	909
910	910	* (((
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911	911	(% style="color:#4f81bd" %)** Commands special design for LLDS12**
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915	915	These commands only valid for LLDS12, as below:
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977	977	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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980		-
981	981	== 4.3  Get Firmware Version Info ==
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983	983	Feature: use downlink to get firmware version.
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1174	1174
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1176	1176	(((
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1177	1177	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
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1179	1179	LLDS12 will output system info once power on as below:
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1183	1183	[[image:1654593712276-618.png]]
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1243	1243	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1244	1244	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1246		-
1247	1247	= 10. ​ Packing Info =
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1258	1258	* Package Size / pcs : cm
1259	1259	* Weight / pcs : g
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1261		-
1262	1262	= 11.  ​Support =
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1264	1264	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.