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...	...	@@ -1177,10 +1177,8 @@
1177	1177	)))
1178	1178
1179	1179	(((
1180		-(((
1181	1181	(% 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.
1182	1182	)))
1183		-)))
1184	1184
1185	1185
1186	1186	== 3.7 Buttons ==
...	...	@@ -1201,7 +1201,6 @@
1201	1201	|**PWR**|Always on if there is power
1202	1202	|**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.
1203	1203
1204		-
1205	1205	= 4. Case Study =
1206	1206
1207	1207	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]]
...	...	@@ -1253,9 +1253,7 @@
1253	1253	)))
1254	1254
1255	1255
1256		-(((
1257	1257	If device already joined network:
1258		-)))
1259	1259
1260	1260	(% class="box infomessage" %)
1261	1261	(((
...	...	@@ -1294,12 +1294,10 @@
1294	1294
1295	1295	(% style="color:red" %)**Note:**
1296	1296
1297		-(((
1298	1298	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1299	1299	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1300	1300	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.
1301	1301	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
1302		-)))
1303	1303
1304	1304	[[image:1654162478620-421.png]]
1305	1305
...	...	@@ -1328,25 +1328,17 @@
1328	1328
1329	1329	[[image:1654162535040-878.png]]
1330	1330
1331		-(((
1332	1332	**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]].
1333		-)))
1334	1334
1335		-(((
1336	1336	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1337		-)))
1338	1338
1339		-(((
1340	1340	**Step3: **Open flashloader; choose the correct COM port to update.
1341		-)))
1342	1342
1343	1343	(((
1344	1344	(((
1345		-(((
1346	1346	(% 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.
1347	1347	)))
1348	1348	)))
1349		-)))
1350	1350
1351	1351
1352	1352	[[image:image-20220602175818-12.png]]