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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**
...	...	@@ -1008,48 +1008,27 @@
1008	1008
1009	1009
1010	1010
	1011	+= 4.  FAQ =
1011	1011
1012		-= 6.  Use AT Command =
	1013	+== 4.1  What is the frequency plan for LDDS75? ==
1013	1013
1014		-== 6.1  Access AT Commands ==
	1015	+LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
1015	1015
1016		-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.
1017	1017
1018		-[[image:1654593668970-604.png]]
1019	1019
1020		-**Connection:**
	1019	+== 4.2  How to change the LoRa Frequency Bands/Region ==
1021	1021
1022		-(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
	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. ​
1023	1023
1024		-(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1025	1025
1026		-(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1027	1027
	1026	+== 4.3  Can I use LDDS75 in condensation environment? ==
1028	1028
1029		-(((
1030		-(((
1031		-In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1032		-)))
	1028	+LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1033	1033
1034		-(((
1035		-LLDS12 will output system info once power on as below:
1036		-)))
1037		-)))
1038	1038
1039	1039
1040		- [[image:1654593712276-618.png]]
1041		-
1042		-Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1043		-
1044		-
1045		-= 4.  FAQ =
1046		-
1047		-== 4.1  How to change the LoRa Frequency Bands/Region ==
1048		-
1049		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1050		-When downloading the images, choose the required image file for download. ​
1051		-
1052		-
1053	1053	= 5.  Trouble Shooting =
1054	1054
1055	1055	== 5.1  AT Commands input doesn’t work ==

image-20220610174917-9.png

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	1	+XWiki.Xiaoling

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