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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]]
...	...	@@ -1292,12 +1292,10 @@
1292	1292
1293	1293	(% style="color:red" %)**Note:**
1294	1294
1295		-(((
1296	1296	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1297	1297	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1298	1298	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.
1299	1299	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
1300		-)))
1301	1301
1302	1302	[[image:1654162478620-421.png]]
1303	1303
...	...	@@ -1326,25 +1326,17 @@
1326	1326
1327	1327	[[image:1654162535040-878.png]]
1328	1328
1329		-(((
1330	1330	**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]].
1331		-)))
1332	1332
1333		-(((
1334	1334	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1335		-)))
1336	1336
1337		-(((
1338	1338	**Step3: **Open flashloader; choose the correct COM port to update.
1339		-)))
1340	1340
1341	1341	(((
1342	1342	(((
1343		-(((
1344	1344	(% 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.
1345	1345	)))
1346	1346	)))
1347		-)))
1348	1348
1349	1349
1350	1350	[[image:image-20220602175818-12.png]]