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Last modified by Mengting Qiu on 2025/07/01 15:53
From version 80.4
edited by Mengting Qiu
on 2025/07/01 15:08
Change comment: There is no comment for this version
To version 81.2
edited by Mengting Qiu
on 2025/07/01 15:13
Change comment: There is no comment for this version

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20 20  
21 21  
22 22  
23 +
23 23  = 2. How to use AT Commands or Downlink command =
24 24  
25 25  
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293 293  
294 294  == 4.6 Get or Set time synchronization method ==
295 295  
296 -Feature: Set the system time synchronization。
297 297  
298 +Feature: Set the system time synchronization.
299 +
300 +(% style="color:blue" %)**AT Command: AT+SYNCMOD**
301 +
302 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:727.222px" %)
303 +|(% style="background-color:#4f81bd; color:white; width:165px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:227px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:329px" %)**Response**
304 +|(% style="width:165px" %)AT+SYNCMOD=?|(% style="width:227px" %)Get the current time synchronization configuration|(% style="width:329px" %)(((
305 +1,0(Default)
306 +
307 +(((
308 +OK
309 +)))
310 +)))
311 +|(% style="width:165px" %)AT+SYNCMOD=1,8|(% style="width:227px" %)Set Transmit Interval|(% style="width:329px" %)OK(((
312 +Set transmit interval to 60000ms = 60 seconds
313 +)))
314 +
298 298   AT+SYNCMOD=1,bb 
299 299  
300 300  * (((
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1314 1314  
1315 1315  * **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1316 1316  
1317 -*
1334 +*
1318 1318  ** 0x01** : Flag**
1319 1319  
1320 1320   **0x05A0 **: ACK_Timout_1 : 1440minutes (24 hours)