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468	468	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
469	469	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
470	470
471		-
472	472	=== 2.6.3  CN470-510 (CN470) ===
473	473
474	474	(((
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579	579	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
580	580	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
581	581
582		-
583	583	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
584	584
585	585	(((
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833	833	[[image:1654831774373-275.png]]
834	834
835	835
836		-①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	834	+(((
	835	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	836	+)))
837	837
838		-②Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
	838	+(((
	839	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
	840	+)))
839	839
840		-③Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	842	+(((
	843	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	844	+)))
841	841
842	842
	847	+(((
843	843	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:
	849	+)))
844	844
845	845
846	846	[[image:1654831797521-720.png]]
847	847
848	848
	855	+(((
849	849	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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850	850
851	851	[[image:1654831810009-716.png]]
852	852
853	853
	862	+(((
854	854	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.
	864	+)))
855	855
856	856
857	857
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865	865	* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
866	866
867	867
	878	+
868	868	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
869	869
870	870	(((
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977	977	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
978	978	)))
979	979
980		-
981		-
982	982	== 4.3  Get Firmware Version Info ==
983	983
984	984	Feature: use downlink to get firmware version.
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1183	1183
1184	1184	[[image:1654593712276-618.png]]
1185	1185
1186		-Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
	1195	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1187	1187
1188	1188
1189	1189	= 7.  FAQ =
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1190	1190
1191	1191	== 7.1  How to change the LoRa Frequency Bands/Region ==
1192	1192
1193		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
	1202	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1194	1194	When downloading the images, choose the required image file for download. ​
1195	1195
1196	1196