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...	...	@@ -321,17 +321,11 @@
321	321	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
322	322	|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
323	323	|AT+CFGDEV|(% style="width:110px" %)(((
324		-(((
325	325	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
326		-)))
327	327
328		-(((
329	329	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
330		-)))
331	331
332		-(((
333	333	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
334		-)))
335	335	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
336	336
337	337
...	...	@@ -1183,10 +1183,8 @@
1183	1183	)))
1184	1184
1185	1185	(((
1186		-(((
1187	1187	(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1188	1188	)))
1189		-)))
1190	1190
1191	1191
1192	1192	== 3.7 Buttons ==
...	...	@@ -1207,7 +1207,6 @@
1207	1207	|**PWR**|Always on if there is power
1208	1208	|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1209	1209
1210		-
1211	1211	= 4. Case Study =
1212	1212
1213	1213	User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
...	...	@@ -1259,9 +1259,7 @@
1259	1259	)))
1260	1260
1261	1261
1262		-(((
1263	1263	If device already joined network:
1264		-)))
1265	1265
1266	1266	(% class="box infomessage" %)
1267	1267	(((
...	...	@@ -1300,12 +1300,10 @@
1300	1300
1301	1301	(% style="color:red" %)**Note:**
1302	1302
1303		-(((
1304	1304	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1305	1305	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1306	1306	3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1307	1307	4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1308		-)))
1309	1309
1310	1310	[[image:1654162478620-421.png]]
1311	1311
...	...	@@ -1334,25 +1334,17 @@
1334	1334
1335	1335	[[image:1654162535040-878.png]]
1336	1336
1337		-(((
1338	1338	**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1339		-)))
1340	1340
1341		-(((
1342	1342	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1343		-)))
1344	1344
1345		-(((
1346	1346	**Step3: **Open flashloader; choose the correct COM port to update.
1347		-)))
1348	1348
1349	1349	(((
1350	1350	(((
1351		-(((
1352	1352	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1353	1353	)))
1354	1354	)))
1355		-)))
1356	1356
1357	1357
1358	1358	[[image:image-20220602175818-12.png]]