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...	...	@@ -1031,24 +1031,39 @@
1031	1031
1032	1032	= 5.  Trouble Shooting =
1033	1033
1034		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1034	+== 5.1  AT Commands input doesn’t work ==
1035	1035
1036	1036
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  AT Command input doesn't work ==
	1042	+== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1043	1043
1044		-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.
1045	1045
1046	1046	(((
	1046	+(% 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.)
	1047	+)))
	1048	+
	1049	+(((
	1050	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1051	+)))
	1052	+
	1053	+(((
1047	1047
1048	1048	)))
1049	1049
	1057	+(((
	1058	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1059	+)))
1050	1050
	1061	+(((
	1062	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1063	+)))
1051	1051
	1065	+
	1066	+
1052	1052	= 6.  Order Info =
1053	1053
1054	1054