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...	...	@@ -244,43 +244,50 @@
244	244	**For End Node**
245	245	)))
246	246
	247	+(((
247	247	we can use AT Command (AT+CFG) to check the RX1 configure and RX2 configure. as below:
	249	+)))
248	248
249		-(% class="box infomessage" %)
250	250	(((
251		- AT+RX2FQ=869525000 ~-~--> The RX2 Window frequency
	252	+
252	252	)))
253	253
	255	+(((
254	254	(% class="box infomessage" %)
255	255	(((
256		- AT+RX2DR=3 ~-~--> The RX2 DataRate
	258	+AT+RX2FQ=869525000     ~-~--> The RX2 Window frequency
	259	+AT+RX2DR=3      ~-~--> The RX2 DataRate
	260	+AT+RX1DL=1000   ~-~--> Receive Delay 1
	261	+AT+RX2DL=2000   ~-~--> Receive Delay 2
257	257	)))
	263	+)))
258	258
259	259	(% class="box infomessage" %)
260	260	(((
261		- AT+RX1DL=1000 ~-~--> Receive Delay 1
	267	+AT+RX2DR=3 ~-~--> The RX2 DataRate
262	262	)))
263	263
264	264	(% class="box infomessage" %)
265	265	(((
266		- AT+RX2DL=2000 ~-~--> Receive Delay 2
	272	+ AT+RX1DL=1000 ~-~--> Receive Delay 1
267	267	)))
268	268
	275	+(% class="box infomessage" %)
269	269	(((
270		-**when the device running, we can see below info:**
	277	+ AT+RX2DL=2000 ~-~--> Receive Delay 2
271	271	)))
272	272
273	273	(((
274		-
	281	+**when the device running, we can see below info:**
275	275	)))
276	276
277		-{{{ [12502]***** UpLinkCounter= 0 *****
278		- [12503]TX on freq 868500000 Hz at DR 0
279		- [13992]txDone
280		- [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
281		- [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
282		- [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
283		- [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
	284	+{{{ [12502]***** UpLinkCounter= 0 *****
	285	+ [12503]TX on freq 868500000 Hz at DR 0
	286	+ [13992]txDone
	287	+ [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
	288	+ [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
	289	+ [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
	290	+ [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
284	284
285	285	(((
286	286
...	...	@@ -290,16 +290,16 @@
290	290	**Another message:**
291	291	)))
292	292
293		-{{{ [12502]***** UpLinkCounter= 0 *****
294		- [12503]TX on freq 868100000 Hz at DR 0
295		- [13992]txDone
296		- [15022]RX on freq 868100000 Hz at DR 0
297		- [15222]rxTimeOut
298		- [15987]RX on freq 869525000 Hz at DR 3
299		- [16185]rxDone --> We have got the downstream packet.
300		- Rssi= -64
301		- Receive data
302		- 1:0012345678}}}
	300	+{{{ [12502]***** UpLinkCounter= 0 *****
	301	+ [12503]TX on freq 868100000 Hz at DR 0
	302	+ [13992]txDone
	303	+ [15022]RX on freq 868100000 Hz at DR 0
	304	+ [15222]rxTimeOut
	305	+ [15987]RX on freq 869525000 Hz at DR 3
	306	+ [16185]rxDone --> We have got the downstream packet.
	307	+ Rssi= -64
	308	+ Receive data
	309	+ 1:0012345678}}}
303	303
304	304	== 5.3 If problem doesn’t solve ==
305	305