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...	...	@@ -273,36 +273,69 @@
273	273
274	274	== 4.6 Alarm Base on Timeout ==
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	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.
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277	277
278		-
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279	279	User configure this feature by using:
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282	282	(% style="color:blue" %)**AT Command**(%%) to configure:
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283	283
284		-* **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
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	293	+**AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
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285	285
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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.
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287	287
288		-* **AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
	300	+* (((
	301	+**AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
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289	289
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290	290	(% style="color:blue" %)**Downlink Command**(%%) to configure:
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291	291
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292	292	**Command: 0xA9 aa bb cc**
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294	294	A9: Command Type Code
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296	296	aa: status to be monitor
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298	298	bb cc: timeout.
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301	301	If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
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303	303	Or
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305	305	0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
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...	...	@@ -315,7 +315,6 @@
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
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318		-
319	319	= 5. Battery & How to replace =
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321	321	== 5.1 Battery Type and replace ==
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366	366	[[image:image-20220608160336-1.png]]
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368		-USB to TTL <- -> LWL02
	400	+*
	401	+** (% style="background-color:yellow" %)USB to TTL <- -> LWL02
369	369
370		-RX <- -> TX
	403	+*
	404	+** (% style="background-color:yellow" %)RX <- -> TX
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372		-TX <- -> RX
	406	+*
	407	+** (% style="background-color:yellow" %)TX <- -> RX
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374		-GND <- -> GND
	409	+*
	410	+** (% style="background-color:yellow" %)GND <- -> GND
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376		-
377	377	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:
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379	379	The AT Access password is **123456**.
...	...	@@ -454,3 +454,4 @@
454	454	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
455	455	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
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