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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 90.8
edited by Xiaoling
on 2023/07/15 15:40
Change comment: There is no comment for this version
To version 82.14
edited by Xiaoling
on 2023/06/14 17:09
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -35,7 +35,7 @@
35 35  
36 36  Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37 37  
38 -[[image:image-20230615152941-1.png||height="459" width="800"]]
38 +[[image:image-20230614162334-2.png||height="468" width="800"]]
39 39  
40 40  
41 41  == 1.2 ​Features ==
... ... @@ -158,6 +158,7 @@
158 158  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]]
159 159  
160 160  
161 +
161 161  == 1.9 Mechanical ==
162 162  
163 163  
... ... @@ -173,6 +173,7 @@
173 173  (% style="color:blue" %)**Probe Mechanical:**
174 174  
175 175  
177 +
176 176  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654827224480-952.png?rev=1.1||alt="1654827224480-952.png"]]
177 177  
178 178  
... ... @@ -192,7 +192,7 @@
192 192  
193 193  The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
194 194  
195 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
197 +[[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
196 196  
197 197  
198 198  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -239,75 +239,6 @@
239 239  == 2.3 ​Uplink Payload ==
240 240  
241 241  
242 -=== 2.3.1 Device Status, FPORT~=5 ===
243 -
244 -
245 -Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server.
246 -
247 -The Payload format is as below.
248 -
249 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
250 -|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
251 -**Size(bytes)**
252 -)))|=(% style="width: 110px; background-color: rgb(79, 129, 189); color: white;" %)**1**|=(% style="width: 48px; background-color: rgb(79, 129, 189); color: white;" %)**2**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 94px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 91px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 60px;" %)**2**
253 -|(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT
254 -
255 -Example parse in TTNv3
256 -
257 -**Sensor Model**: For LDS12-LB, this value is 0x24
258 -
259 -**Firmware Version**: 0x0100, Means: v1.0.0 version
260 -
261 -**Frequency Band**:
262 -
263 -0x01: EU868
264 -
265 -0x02: US915
266 -
267 -0x03: IN865
268 -
269 -0x04: AU915
270 -
271 -0x05: KZ865
272 -
273 -0x06: RU864
274 -
275 -0x07: AS923
276 -
277 -0x08: AS923-1
278 -
279 -0x09: AS923-2
280 -
281 -0x0a: AS923-3
282 -
283 -0x0b: CN470
284 -
285 -0x0c: EU433
286 -
287 -0x0d: KR920
288 -
289 -0x0e: MA869
290 -
291 -**Sub-Band**:
292 -
293 -AU915 and US915:value 0x00 ~~ 0x08
294 -
295 -CN470: value 0x0B ~~ 0x0C
296 -
297 -Other Bands: Always 0x00
298 -
299 -**Battery Info**:
300 -
301 -Check the battery voltage.
302 -
303 -Ex1: 0x0B45 = 2885mV
304 -
305 -Ex2: 0x0B49 = 2889mV
306 -
307 -
308 -=== 2.3.2 Uplink Payload, FPORT~=2 ===
309 -
310 -
311 311  (((
312 312  LDS12-LB will uplink payload via LoRaWAN with below payload format: 
313 313  )))
... ... @@ -316,22 +316,23 @@
316 316  Uplink payload includes in total 11 bytes.
317 317  )))
318 318  
252 +
319 319  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
320 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
254 +|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
321 321  **Size(bytes)**
322 -)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 122px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**
323 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
324 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
325 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
326 -[[Interrupt flag & Interrupt_level||anchor="HInterruptPin26A0InterruptLevel">>]]
327 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
328 -[[Message Type>>||anchor="HMessageType"]]
256 +)))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**
257 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
258 +[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
259 +)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((
260 +[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
261 +)))|[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(((
262 +[[Message Type>>||anchor="H2.3.7MessageType"]]
329 329  )))
330 330  
331 331  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]
332 332  
333 333  
334 -====(% style="color:blue" %)**Battery Info** ====
268 +=== 2.3.1 Battery Info ===
335 335  
336 336  
337 337  Check the battery voltage for LDS12-LB.
... ... @@ -341,7 +341,7 @@
341 341  Ex2: 0x0B49 = 2889mV
342 342  
343 343  
344 -====(% style="color:blue" %)**DS18B20 Temperature sensor** ====
278 +=== 2.3.2 DS18B20 Temperature sensor ===
345 345  
346 346  
347 347  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -354,7 +354,7 @@
354 354  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
355 355  
356 356  
357 -====(% style="color:blue" %)**Distance** ====
291 +=== 2.3.3 Distance ===
358 358  
359 359  
360 360  Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
... ... @@ -365,7 +365,7 @@
365 365  If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
366 366  
367 367  
368 -====(% style="color:blue" %)**Distance signal strength** ====
302 +=== 2.3.4 Distance signal strength ===
369 369  
370 370  
371 371  Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
... ... @@ -378,7 +378,7 @@
378 378  Customers can judge whether they need to adjust the environment based on the signal strength.
379 379  
380 380  
381 -====(% style="color:blue" %)**Interrupt Pin & Interrupt Level** ====
315 +=== 2.3.5 Interrupt Pin ===
382 382  
383 383  
384 384  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
... ... @@ -392,7 +392,7 @@
392 392  0x01: Interrupt Uplink Packet.
393 393  
394 394  
395 -====(% style="color:blue" %)**LiDAR temp** ====
329 +=== 2.3.6 LiDAR temp ===
396 396  
397 397  
398 398  Characterize the internal temperature value of the sensor.
... ... @@ -402,7 +402,7 @@
402 402  If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
403 403  
404 404  
405 -====(% style="color:blue" %)**Message Type** ====
339 +=== 2.3.7 Message Type ===
406 406  
407 407  
408 408  (((
... ... @@ -420,7 +420,7 @@
420 420  
421 421  
422 422  
423 -=== 2.3.3 Decode payload in The Things Network ===
357 +=== 2.3.8 Decode payload in The Things Network ===
424 424  
425 425  
426 426  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -570,15 +570,16 @@
570 570  
571 571  The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
572 572  
573 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
574 574  
508 +[[image:1654831757579-263.png]]
575 575  
510 +
576 576  === 2.8.2 Distance Measurement Characteristics ===
577 577  
578 578  
579 579  With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
580 580  
581 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]
516 +[[image:1654831774373-275.png]]
582 582  
583 583  
584 584  (((
... ... @@ -598,20 +598,23 @@
598 598  Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
599 599  )))
600 600  
601 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]]
602 602  
537 +[[image:1654831797521-720.png]]
538 +
539 +
603 603  (((
604 604  In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
605 605  )))
606 606  
607 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]
544 +[[image:1654831810009-716.png]]
608 608  
546 +
609 609  (((
610 610  If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
611 611  )))
612 612  
613 613  
614 -=== 2.8.3 Notice of usage ===
552 +=== 2.8.3 Notice of usage: ===
615 615  
616 616  
617 617  Possible invalid /wrong reading for LiDAR ToF tech:
... ... @@ -625,7 +625,7 @@
625 625  
626 626  
627 627  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
628 -|=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity
566 +|=(% style="width: 54px;background-color:#D9E2F3;color:#0070C0" %)Item|=(% style="width: 231px;background-color:#D9E2F3;color:#0070C0" %)Material|=(% style="width: 94px;background-color:#D9E2F3;color:#0070C0" %)Relectivity
629 629  |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
630 630  |(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
631 631  |(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
... ... @@ -692,7 +692,7 @@
692 692  )))
693 693  
694 694  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
695 -|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
633 +|=(% style="width: 156px;background-color:#D9E2F3; color:#0070c0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3; color:#0070c0" %)**Function**|=(% style="background-color:#D9E2F3; color:#0070c0" %)**Response**
696 696  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
697 697  30000
698 698  OK
... ... @@ -720,9 +720,6 @@
720 720  )))
721 721  * (((
722 722  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
723 -
724 -
725 -
726 726  )))
727 727  
728 728  === 3.3.2 Set Interrupt Mode ===
... ... @@ -735,7 +735,7 @@
735 735  (% style="color:blue" %)**AT Command: AT+INTMOD**
736 736  
737 737  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
738 -|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
673 +|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
739 739  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
740 740  0
741 741  OK
... ... @@ -759,33 +759,86 @@
759 759  
760 760  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
761 761  
762 -=== 3.3.3  Set Power Output Duration ===
763 763  
764 -Control the output duration 3V3 . Before each sampling, device will
698 +=== 3.3.3 Get Firmware Version Info ===
765 765  
766 -~1. first enable the power output to external sensor,
767 767  
768 -2. keep it on as per duration, read sensor value and construct uplink payload
701 +Feature: use downlink to get firmware version.
769 769  
770 -3. final, close the power output.
703 +(% style="color:#037691" %)**Downlink Command: 0x26**
771 771  
772 -(% style="color:blue" %)**AT Command: AT+3V3T**
705 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %)
706 +|(% style="background-color:#d9e2f3; color:#0070c0; width:191px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:57px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:91px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:153px" %)**Downlink payload size(bytes)**
707 +|(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2
773 773  
774 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
775 -|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
776 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
777 -OK
778 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
779 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
709 +* Reply to the confirmation package: 26 01
710 +* Reply to non-confirmed packet: 26 00
780 780  
781 -(% style="color:blue" %)**Downlink Command: 0x07**(%%)
782 -Format: Command Code (0x07) followed by 3 bytes.
712 +Device will send an uplink after got this downlink command. With below payload:
783 783  
784 -The first byte is 01,the second and third bytes are the time to turn on.
714 +Configures info payload:
785 785  
786 -* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
787 -* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
716 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
717 +|=(% style="background-color:#D9E2F3;color:#0070C0" %)(((
718 +**Size(bytes)**
719 +)))|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**5**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
720 +|**Value**|Software Type|(((
721 +Frequency
722 +Band
723 +)))|Sub-band|(((
724 +Firmware
725 +Version
726 +)))|Sensor Type|Reserve|(((
727 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
728 +Always 0x02
729 +)))
788 788  
731 +(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LLDS12
732 +
733 +(% style="color:#037691" %)**Frequency Band**:
734 +
735 +*0x01: EU868
736 +
737 +*0x02: US915
738 +
739 +*0x03: IN865
740 +
741 +*0x04: AU915
742 +
743 +*0x05: KZ865
744 +
745 +*0x06: RU864
746 +
747 +*0x07: AS923
748 +
749 +*0x08: AS923-1
750 +
751 +*0x09: AS923-2
752 +
753 +*0xa0: AS923-3
754 +
755 +
756 +(% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08
757 +
758 +(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
759 +
760 +(% style="color:#037691" %)**Sensor Type**:
761 +
762 +0x01: LSE01
763 +
764 +0x02: LDDS75
765 +
766 +0x03: LDDS20
767 +
768 +0x04: LLMS01
769 +
770 +0x05: LSPH01
771 +
772 +0x06: LSNPK01
773 +
774 +0x07: LLDS12
775 +
776 +
789 789  = 4. Battery & Power Consumption =
790 790  
791 791  
... ... @@ -806,7 +806,7 @@
806 806  
807 807  * Fix bugs.
808 808  
809 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
797 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
810 810  
811 811  Methods to Update Firmware:
812 812  
... ... @@ -834,11 +834,11 @@
834 834  
835 835  
836 836  (((
837 -(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance. (such as glass and water, etc.)
825 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
838 838  )))
839 839  
840 840  (((
841 -(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
829 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
842 842  )))
843 843  
844 844  
... ... @@ -847,7 +847,7 @@
847 847  )))
848 848  
849 849  (((
850 -(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
838 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
851 851  )))
852 852  
853 853  
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