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...	...	@@ -273,36 +273,69 @@
273	273
274	274	== 4.6 Alarm Base on Timeout ==
275	275
	276	+(((
276	276	LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
	278	+)))
277	277
278		-
	280	+(((
279	279	User configure this feature by using:
	282	+)))
280	280
	284	+(((
	285	+
	286	+)))
281	281
	288	+(((
282	282	(% style="color:blue" %)**AT Command**(%%) to configure:
	290	+)))
283	283
284		-* **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
	292	+* (((
	293	+**AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
	294	+)))
285	285
	296	+(((
286	286	status for more than 30 seconds. LWL02 will send an uplink packet, the Alarm bit (the lowest bit of 10^^th^^ byte of payload) on this uplink packet is set to 1.
	298	+)))
287	287
288		-* **AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
	300	+* (((
	301	+**AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
	302	+)))
289	289
	304	+(((
290	290	(% style="color:blue" %)**Downlink Command**(%%) to configure:
	306	+)))
291	291
	308	+(((
292	292	**Command: 0xA9 aa bb cc**
	310	+)))
293	293
	312	+(((
294	294	A9: Command Type Code
	314	+)))
295	295
	316	+(((
296	296	aa: status to be monitor
	318	+)))
297	297
	320	+(((
298	298	bb cc: timeout.
	322	+)))
299	299
	324	+(((
	325	+
	326	+)))
300	300
	328	+(((
301	301	If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
	330	+)))
302	302
	332	+(((
303	303	Or
	334	+)))
304	304
	336	+(((
305	305	0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
	338	+)))
306	306
307	307
308	308
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315	315	|(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once
316	316	|(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
317	317
318		-
319	319	= 5. Battery & How to replace =
320	320
321	321	== 5.1 Battery Type and replace ==
...	...	@@ -348,9 +348,9 @@
348	348
349	349
350	350
351		-1.
352		-11. Power Consumption Analyze
353	353
	384	+== 5.2 Power Consumption Analyze ==
	385	+
354	354	Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
355	355
356	356	[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
...	...	@@ -357,22 +357,26 @@
357	357
358	358
359	359
360		-1. Use AT Command
361		-11. Access AT Command
	392	+= 6. Use AT Command =
362	362
	394	+== 6.1 Access AT Command ==
	395	+
363	363	LWL02 supports AT Command set. User can use a USB to TTL adapter to configure LWL02 via use AT command, as below.
364	364
365		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	398	+[[image:image-20220608160336-1.png]]
366	366
367		-USB to TTL <- -> LWL02
	400	+*
	401	+** (% style="background-color:yellow" %)USB to TTL <- -> LWL02
368	368
369		-RX <- -> TX
	403	+*
	404	+** (% style="background-color:yellow" %)RX <- -> TX
370	370
371		-TX <- -> RX
	406	+*
	407	+** (% style="background-color:yellow" %)TX <- -> RX
372	372
373		-GND <- -> GND
	409	+*
	410	+** (% style="background-color:yellow" %)GND <- -> GND
374	374
375		-
376	376	In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **115200** to access to access serial console of LWL02. Below is the output for reference:
377	377
378	378	The AT Access password is **123456**.

image-20220608160336-1.png

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