Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 138.3 >
edited by Xiaoling
on 2022/06/10 17:04
To version < 124.1 >
edited by Xiaoling
on 2022/06/10 15:53
>
Change comment: Uploaded new attachment "1654847583902-256.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -33,7 +33,7 @@
33 33  Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
34 34  
35 35  
36 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
36 +(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
37 37  )))
38 38  )))
39 39  
... ... @@ -58,36 +58,30 @@
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 60  
61 +== 1.3  Probe Specification ==
61 61  
63 +* Storage temperature ：-20℃~~75℃
64 +* Operating temperature - -20℃~~60℃
65 +* Operating Range - 0.1m~~12m①
66 +* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
67 +* Distance resolution - 5mm
68 +* Ambient light immunity - 70klux
69 +* Enclosure rating - IP65
70 +* Light source - LED
71 +* Central wavelength - 850nm
72 +* FOV - 3.6°
73 +* Material of enclosure - ABS+PC
74 +* Wire length - 25cm
62 62  
63 -== 1.3  Specification ==
76 +== 1.4  Probe Dimension ==
64 64  
65 -=== 1.3.1  Rated environmental conditions ===
66 66  
67 -[[image:image-20220610154839-1.png]]
79 +[[image:1654827224480-952.png]]
68 68  
69 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
70 70  
71 -**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
72 -
73 -
74 -
75 -=== 1.3.2  Effective measurement range Reference beam pattern ===
76 -
77 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
78 -
79 -
80 -
81 -**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
82 -
83 -(% style="display:none" %) (%%)
84 -
85 -
86 -
87 87  == 1.5 ​ Applications ==
88 88  
89 89  * Horizontal distance measurement
90 -* Liquid level measurement
91 91  * Parking management system
92 92  * Object proximity and presence detection
93 93  * Intelligent trash can management system
... ... @@ -94,28 +94,23 @@
94 94  * Robot obstacle avoidance
95 95  * Automatic control
96 96  * Sewer
97 -* Bottom water level monitoring
98 98  
99 -
100 -
101 -
102 102  == 1.6  Pin mapping and power on ==
103 103  
104 104  
105 -[[image:1654847583902-256.png]]
95 +[[image:1654827332142-133.png]]
106 106  
107 107  
98 += 2.  Configure LLDS12 to connect to LoRaWAN network =
108 108  
109 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
110 -
111 111  == 2.1  How it works ==
112 112  
113 113  (((
114 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
103 +The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
115 115  )))
116 116  
117 117  (((
118 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
107 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H6.A0UseATCommand"]]to set the keys in the LLDS12.
119 119  )))
120 120  
121 121  
... ... @@ -126,7 +126,7 @@
126 126  )))
127 127  
128 128  (((
129 -[[image:1654848616367-242.png]]
118 +[[image:1654827857527-556.png]]
130 130  )))
131 131  
132 132  (((
... ... @@ -134,57 +134,57 @@
134 134  )))
135 135  
136 136  (((
137 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
126 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
138 138  )))
139 139  
140 140  (((
141 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
130 +Each LSPH01 is shipped with a sticker with the default device EUI as below:
142 142  )))
143 143  
144 144  [[image:image-20220607170145-1.jpeg]]
145 145  
146 146  
147 -For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
148 148  
149 -Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
137 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
150 150  
151 -**Add APP EUI in the application**
152 152  
153 -[[image:image-20220610161353-4.png]]
140 +**Register the device**
154 154  
155 -[[image:image-20220610161353-5.png]]
156 156  
157 -[[image:image-20220610161353-6.png]]
143 +[[image:1654592600093-601.png]]
158 158  
159 159  
160 -[[image:image-20220610161353-7.png]]
161 161  
147 +**Add APP EUI and DEV EUI**
162 162  
163 -You can also choose to create the device manually.
149 +[[image:1654592619856-881.png]]
164 164  
165 - [[image:image-20220610161538-8.png]]
166 166  
167 167  
153 +**Add APP EUI in the application**
168 168  
169 -**Add APP KEY and DEV EUI**
155 +[[image:1654592632656-512.png]]
170 170  
171 -[[image:image-20220610161538-9.png]]
172 172  
173 173  
159 +**Add APP KEY**
174 174  
175 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
161 +[[image:1654592653453-934.png]]
176 176  
177 177  
164 +(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
165 +
166 +
178 178  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
179 179  
180 -[[image:image-20220610161724-10.png]]
169 +[[image:image-20220607170442-2.png]]
181 181  
182 182  
183 183  (((
184 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
173 +(% style="color:blue" %)**Step 3**(%%)**:** The LLDS12 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
185 185  )))
186 186  
187 -[[image:1654849068701-275.png]]
176 +[[image:1654833501679-968.png]]
188 188  
189 189  
190 190  
... ... @@ -191,10 +191,11 @@
191 191  == 2.3  ​Uplink Payload ==
192 192  
193 193  (((
194 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
183 +LLDS12 will uplink payload via LoRaWAN with below payload format: 
184 +)))
195 195  
196 -Uplink payload includes in total 4 bytes.
197 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
186 +(((
187 +Uplink payload includes in total 11 bytes.
198 198  )))
199 199  
200 200  (((
... ... @@ -204,23 +204,23 @@
204 204  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
205 205  |=(% style="width: 62.5px;" %)(((
206 206  **Size (bytes)**
207 -)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
208 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
209 -[[Distance>>||anchor="H2.3.3A0Distance"]]
197 +)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
198 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
199 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
200 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
201 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
202 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
203 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
204 +)))
210 210  
211 -(unit: mm)
212 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
213 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
214 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
206 +[[image:1654833689380-972.png]]
215 215  
216 -[[image:1654850511545-399.png]]
217 217  
218 218  
219 -
220 220  === 2.3.1  Battery Info ===
221 221  
222 222  
223 -Check the battery voltage for LDDS75.
213 +Check the battery voltage for LLDS12.
224 224  
225 225  Ex1: 0x0B45 = 2885mV
226 226  
... ... @@ -228,21 +228,49 @@
228 228  
229 229  
230 230  
231 -=== 2.3.2  Distance ===
221 +=== 2.3.2  DS18B20 Temperature sensor ===
232 232  
233 -Get the distance. Flat object range 280mm - 7500mm.
223 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
234 234  
235 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
236 236  
226 +**Example**:
237 237  
238 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
239 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
228 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
240 240  
230 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
241 241  
242 -=== 2.3.3  Interrupt Pin ===
243 243  
233 +
234 +=== 2.3.3  Distance ===
235 +
236 +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.
237 +
238 +
239 +**Example**:
240 +
241 +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.
242 +
243 +
244 +
245 +=== 2.3.4  Distance signal strength ===
246 +
247 +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.
248 +
249 +
250 +**Example**:
251 +
252 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
253 +
254 +Customers can judge whether they need to adjust the environment based on the signal strength.
255 +
256 +
257 +
258 +=== 2.3.5  Interrupt Pin ===
259 +
244 244  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
245 245  
262 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
263 +
246 246  **Example:**
247 247  
248 248  0x00: Normal uplink packet.
... ... @@ -250,44 +250,53 @@
250 250  0x01: Interrupt Uplink Packet.
251 251  
252 252  
253 -=== 2.3.4  DS18B20 Temperature sensor ===
254 254  
255 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
272 +=== 2.3.6  LiDAR temp ===
256 256  
257 -**Example**:
274 +Characterize the internal temperature value of the sensor.
258 258  
259 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
276 +**Example: **
277 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
278 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
260 260  
261 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
262 262  
263 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
264 264  
282 +=== 2.3.7  Message Type ===
265 265  
284 +(((
285 +For a normal uplink payload, the message type is always 0x01.
286 +)))
266 266  
267 -=== 2.3.5  Sensor Flag ===
288 +(((
289 +Valid Message Type:
290 +)))
268 268  
269 -0x01: Detect Ultrasonic Sensor
270 270  
271 -0x00: No Ultrasonic Sensor
293 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
294 +|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
295 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
296 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
272 272  
298 +=== 2.3.8  Decode payload in The Things Network ===
273 273  
274 -===
275 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
276 -
277 277  While using TTN network, you can add the payload format to decode the payload.
278 278  
279 279  
280 -[[image:1654850829385-439.png]]
303 +[[image:1654592762713-715.png]]
281 281  
282 -The payload decoder function for TTN V3 is here:
305 +(((
306 +The payload decoder function for TTN is here:
307 +)))
283 283  
284 -LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
309 +(((
310 +LLDS12 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/]]
311 +)))
285 285  
286 286  
287 287  
288 288  == 2.4  Uplink Interval ==
289 289  
290 -The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
317 +The LLDS12 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
291 291  
292 292  
293 293  
... ... @@ -318,25 +318,47 @@
318 318  
319 319  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
320 320  
321 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
348 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
322 322  
323 -[[image:1654851029373-510.png]]
350 +[[image:1654832691989-514.png]]
324 324  
325 325  
326 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
353 +[[image:1654592833877-762.png]]
327 327  
328 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
329 329  
356 +[[image:1654832740634-933.png]]
330 330  
331 331  
332 -== 2.6  Frequency Plans ==
333 333  
334 334  (((
335 -The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
361 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
336 336  )))
337 337  
364 +(((
365 +
366 +)))
338 338  
368 +[[image:1654833065139-942.png]]
339 339  
370 +
371 +
372 +[[image:1654833092678-390.png]]
373 +
374 +
375 +
376 +After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
377 +
378 +[[image:1654833163048-332.png]]
379 +
380 +
381 +
382 +== 2.6  Frequency Plans ==
383 +
384 +(((
385 +The LLDS12 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
386 +)))
387 +
388 +
340 340  === 2.6.1  EU863-870 (EU868) ===
341 341  
342 342  (((
... ... @@ -400,51 +400,20 @@
400 400  === 2.6.2  US902-928(US915) ===
401 401  
402 402  (((
403 -Used in USA, Canada and South America. Default use CHE=2
452 +Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
453 +)))
404 404  
405 -(% style="color:blue" %)**Uplink:**
455 +(((
456 +To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
457 +)))
406 406  
407 -903.9 - SF7BW125 to SF10BW125
408 -
409 -904.1 - SF7BW125 to SF10BW125
410 -
411 -904.3 - SF7BW125 to SF10BW125
412 -
413 -904.5 - SF7BW125 to SF10BW125
414 -
415 -904.7 - SF7BW125 to SF10BW125
416 -
417 -904.9 - SF7BW125 to SF10BW125
418 -
419 -905.1 - SF7BW125 to SF10BW125
420 -
421 -905.3 - SF7BW125 to SF10BW125
422 -
423 -
424 -(% style="color:blue" %)**Downlink:**
425 -
426 -923.3 - SF7BW500 to SF12BW500
427 -
428 -923.9 - SF7BW500 to SF12BW500
429 -
430 -924.5 - SF7BW500 to SF12BW500
431 -
432 -925.1 - SF7BW500 to SF12BW500
433 -
434 -925.7 - SF7BW500 to SF12BW500
435 -
436 -926.3 - SF7BW500 to SF12BW500
437 -
438 -926.9 - SF7BW500 to SF12BW500
439 -
440 -927.5 - SF7BW500 to SF12BW500
441 -
442 -923.3 - SF12BW500(RX2 downlink only)
443 -
444 -
445 -
459 +(((
460 +After Join success, the end node will switch to the correct sub band by:
446 446  )))
447 447  
463 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
464 +* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
465 +
448 448  === 2.6.3  CN470-510 (CN470) ===
449 449  
450 450  (((
... ... @@ -537,51 +537,24 @@
537 537  === 2.6.4  AU915-928(AU915) ===
538 538  
539 539  (((
540 -Default use CHE=2
558 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
559 +)))
541 541  
542 -(% style="color:blue" %)**Uplink:**
561 +(((
562 +To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
563 +)))
543 543  
544 -916.8 - SF7BW125 to SF12BW125
545 -
546 -917.0 - SF7BW125 to SF12BW125
547 -
548 -917.2 - SF7BW125 to SF12BW125
549 -
550 -917.4 - SF7BW125 to SF12BW125
551 -
552 -917.6 - SF7BW125 to SF12BW125
553 -
554 -917.8 - SF7BW125 to SF12BW125
555 -
556 -918.0 - SF7BW125 to SF12BW125
557 -
558 -918.2 - SF7BW125 to SF12BW125
559 -
560 -
561 -(% style="color:blue" %)**Downlink:**
562 -
563 -923.3 - SF7BW500 to SF12BW500
564 -
565 -923.9 - SF7BW500 to SF12BW500
566 -
567 -924.5 - SF7BW500 to SF12BW500
568 -
569 -925.1 - SF7BW500 to SF12BW500
570 -
571 -925.7 - SF7BW500 to SF12BW500
572 -
573 -926.3 - SF7BW500 to SF12BW500
574 -
575 -926.9 - SF7BW500 to SF12BW500
576 -
577 -927.5 - SF7BW500 to SF12BW500
578 -
579 -923.3 - SF12BW500(RX2 downlink only)
580 -
581 -
565 +(((
582 582  
583 583  )))
584 584  
569 +(((
570 +After Join success, the end node will switch to the correct sub band by:
571 +)))
572 +
573 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
574 +* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
575 +
585 585  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
586 586  
587 587  (((
... ... @@ -1283,6 +1283,7 @@
1283 1283  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1284 1284  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1285 1285  
1277 +
1286 1286  = 10. ​ Packing Info =
1287 1287  
1288 1288  
... ... @@ -1297,6 +1297,7 @@
1297 1297  * Package Size / pcs : cm
1298 1298  * Weight / pcs : g
1299 1299  
1292 +
1300 1300  = 11.  ​Support =
1301 1301  
1302 1302  * 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.
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