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...	...	@@ -994,7 +994,7 @@
994	994
995	995	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996	996
997		-[[image:image-20220610105907-1.png]]
	997	+[[image:image-20220610174917-9.png]]
998	998
999	999
1000	1000	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1007,89 +1007,47 @@
1007	1007	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1008	1008
1009	1009
	1010	+= 4.  FAQ =
1010	1010
	1012	+== 4.1  What is the frequency plan for LDDS75? ==
1011	1011
	1014	+LDDS75 use the same frequency as other Dragino products. User can see the detail from this link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1012	1012
1013		-= 6.  Use AT Command =
1014	1014
1015		-== 6.1  Access AT Commands ==
1016	1016
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	+== 4.2  How to change the LoRa Frequency Bands/Region ==
1018	1018
1019		-[[image:1654593668970-604.png]]
	1020	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1021	+When downloading the images, choose the required image file for download. ​
1020	1020
1021		-**Connection:**
1022	1022
1023		-(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1024	1024
1025		-(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
	1025	+== 4.3  Can I use LDDS75 in condensation environment? ==
1026	1026
1027		-(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
	1027	+LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1028	1028
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		-)))
1034	1034
1035		-(((
1036		-LLDS12 will output system info once power on as below:
1037		-)))
1038		-)))
	1031	+= 5.  Trouble Shooting =
1039	1039
	1033	+== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1040	1040
1041		- [[image:1654593712276-618.png]]
	1035	+It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1042	1042
1043		-Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1044	1044
	1038	+== 5.2  AT Command input doesn't work ==
1045	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		-
1059		-(((
1060	1060	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.
1061		-)))
1062	1062
1063		-
1064		-== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1065		-
1066		-
1067	1067	(((
1068		-(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1069		-)))
1070		-
1071		-(((
1072		-Troubleshooting: Please avoid use of this product under such circumstance in practice.
1073		-)))
1074		-
1075		-(((
1076	1076
1077	1077	)))
1078	1078
1079		-(((
1080		-(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081		-)))
1082	1082
1083		-(((
1084		-Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085		-)))
1086		-
1087		-
1088		-
1089	1089	= 6.  Order Info =
1090	1090
1091	1091
1092		-Part Number: (% style="color:blue" %)**LLDS12-XX**
	1050	+Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1093	1093
1094	1094
1095	1095	(% style="color:blue" %)**XX**(%%): The default frequency band
...	...	@@ -1103,13 +1103,12 @@
1103	1103	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1104	1104	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1105	1105
1106		-**YY**: Battery Option
	1064	+(% style="color:blue" %)**YY**(%%): Battery Option
1107	1107
1108		-* **4**: 4000mAh battery
1109		-* **8**: 8500mAh battery
	1066	+* (% style="color:red" %)**4**(%%): 4000mAh battery
	1067	+* (% style="color:red" %)**8**(%%): 8500mAh battery
1110	1110
1111	1111
1112		-
1113	1113	= 7. ​ Packing Info =
1114	1114
1115	1115
...	...	@@ -1125,7 +1125,6 @@
1125	1125	* Weight / pcs : g
1126	1126
1127	1127
1128		-
1129	1129	= 8.  ​Support =
1130	1130
1131	1131	* 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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