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...	...	@@ -994,7 +994,7 @@
994	994
995	995	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996	996
997		-[[image:image-20220610174917-9.png]]
	997	+[[image:image-20220610105907-1.png]]
998	998
999	999
1000	1000	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1008,38 +1008,60 @@
1008	1008
1009	1009
1010	1010
1011		-= 4.  FAQ =
1012	1012
1013		-== 4.1  What is the frequency plan for LDDS75? ==
1014	1014
1015		-LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
	1013	+= 6.  Use AT Command =
1016	1016
	1015	+== 6.1  Access AT Commands ==
1017	1017
	1017	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1018	1018
1019		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1019	+[[image:1654593668970-604.png]]
1020	1020
1021		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1022		-When downloading the images, choose the required image file for download. ​
	1021	+**Connection:**
1023	1023
	1023	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1024	1024
	1025	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1025	1025
1026		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1027	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1027	1027
1028		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1029	1029
	1030	+(((
	1031	+(((
	1032	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1033	+)))
1030	1030
	1035	+(((
	1036	+LLDS12 will output system info once power on as below:
	1037	+)))
	1038	+)))
1031	1031
1032		-= 5.  Trouble Shooting =
1033	1033
1034		-== 5.1  AT Commands input doesn’t work ==
	1041	+ [[image:1654593712276-618.png]]
1035	1035
	1043	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1036	1036
	1045	+
	1046	+= 7.  FAQ =
	1047	+
	1048	+== 7.1  How to change the LoRa Frequency Bands/Region ==
	1049	+
	1050	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1051	+When downloading the images, choose the required image file for download. ​
	1052	+
	1053	+
	1054	+= 8.  Trouble Shooting =
	1055	+
	1056	+== 8.1  AT Commands input doesn’t work ==
	1057	+
	1058	+
1037	1037	(((
1038	1038	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1039	1039	)))
1040	1040
1041	1041
1042		-== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
	1064	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1043	1043
1044	1044
1045	1045	(((
...	...	@@ -1083,10 +1083,11 @@
1083	1083
1084	1084	(% style="color:blue" %)**YY**(%%): Battery Option
1085	1085
1086		-* (% style="color:red" %)**4**(%%): 4000mAh battery
1087		-* (% style="color:red" %)**8**(%%): 8500mAh battery
	1108	+* **(% style="color:red" %)4**(%%): 4000mAh battery
	1109	+* **(% style="color:red" %)8**(%%): 8500mAh battery
1088	1088
1089	1089
	1112	+
1090	1090	= 7. ​ Packing Info =
1091	1091
1092	1092
...	...	@@ -1102,6 +1102,7 @@
1102	1102	* Weight / pcs : g
1103	1103
1104	1104
	1128	+
1105	1105	= 8.  ​Support =
1106	1106
1107	1107	* 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.

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