Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Edwin - Content
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... ... @@ -56,9 +56,6 @@ 56 56 ((( 57 57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %) 58 58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter. 59 - 60 -(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %) 61 - 62 62 ))) 63 63 64 64 (% _mstvisible="1" %) ... ... @@ -77,7 +77,6 @@ 77 77 * Tri-color LED to indicate working status 78 78 * Datalog feature 79 79 80 - 81 81 (% _mstvisible="1" %) 82 82 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) == 83 83 ... ... @@ -84,9 +84,6 @@ 84 84 (% _mstvisible="1" %) 85 85 ((( 86 86 (% _mstvisible="2" %) 87 - 88 - 89 -(% _mstvisible="2" %) 90 90 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:** 91 91 ))) 92 92 ... ... @@ -115,9 +115,6 @@ 115 115 (% _mstvisible="1" %) 116 116 ((( 117 117 (% _mstvisible="2" %) 118 - 119 - 120 -(% _mstvisible="2" %) 121 121 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:** 122 122 ))) 123 123 ... ... @@ -146,9 +146,6 @@ 146 146 (% _mstvisible="1" %) 147 147 ((( 148 148 (% _mstvisible="2" %) 149 - 150 - 151 -(% _mstvisible="2" %) 152 152 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:** 153 153 ))) 154 154 ... ... @@ -172,10 +172,6 @@ 172 172 ((( 173 173 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %) 174 174 Operating Range: -55 °C ~~ 125 °C 175 - 176 - 177 -(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %) 178 - 179 179 ))) 180 180 181 181 (% _mstvisible="1" %) ... ... @@ -194,9 +194,6 @@ 194 194 ((( 195 195 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %) 196 196 If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes. 197 - 198 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %) 199 - 200 200 ))) 201 201 202 202 (% _mstvisible="1" %) ... ... @@ -221,7 +221,6 @@ 221 221 (% _mstvisible="1" %) 222 222 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]] 223 223 224 - 225 225 (% _mstvisible="1" %) 226 226 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) == 227 227 ... ... @@ -295,28 +295,28 @@ 295 295 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %) 296 296 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once. 297 297 298 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)299 -(% _mstvisible="3" %)| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)277 +(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:426px" %) 278 +(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %) 300 300 ((( 301 301 (% _mstvisible="6" %) 302 302 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)** 303 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)282 +)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %) 304 304 ((( 305 305 (% _mstvisible="6" %) 306 306 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2** 307 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)286 +)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %) 308 308 ((( 309 309 (% _mstvisible="6" %) 310 310 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2** 311 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)290 +)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %) 312 312 ((( 313 313 (% _mstvisible="6" %) 314 314 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2** 315 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)294 +)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %) 316 316 ((( 317 317 (% _mstvisible="6" %) 318 318 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1** 319 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)298 +)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %) 320 320 ((( 321 321 (% _mstvisible="6" %) 322 322 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4** ... ... @@ -364,8 +364,6 @@ 364 364 * The 7th byte (EXT #): defines the external sensor model. 365 365 * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.) 366 366 367 - 368 - 369 369 (% _mstvisible="1" %) 370 370 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) === 371 371 ... ... @@ -381,8 +381,6 @@ 381 381 (% _mstvisible="1" %) 382 382 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]] 383 383 384 - 385 - 386 386 (% _mstvisible="1" %) 387 387 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) === 388 388 ... ... @@ -402,8 +402,6 @@ 402 402 * BAT status=(0Xcba4>>14)&0xFF=11(B),very good 403 403 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV 404 404 405 - 406 - 407 407 (% _mstvisible="1" %) 408 408 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) === 409 409 ... ... @@ -419,8 +419,6 @@ 419 419 (% _mstvisible="1" %) 420 420 * Temperature: (0xF5C6-65536)/100=-26.18℃ 421 421 422 - 423 - 424 424 (% _mstvisible="1" %) 425 425 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) === 426 426 ... ... @@ -430,7 +430,6 @@ 430 430 (% _mstvisible="1" %) 431 431 * Humidity: 0x025C/10=60.4% 432 432 433 - 434 434 (% _mstvisible="1" %) 435 435 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) === 436 436 ... ... @@ -440,7 +440,6 @@ 440 440 (% _mstvisible="1" %) 441 441 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]] 442 442 443 - 444 444 (% _mstvisible="1" %) 445 445 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) === 446 446 ... ... @@ -450,7 +450,6 @@ 450 450 (% _mstvisible="1" %) 451 451 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]] 452 452 453 - 454 454 (% _mstvisible="1" %) 455 455 * DS18B20 temp=0x0ADD/100=27.81℃ 456 456 ... ... @@ -460,7 +460,6 @@ 460 460 (% _mstvisible="1" %) 461 461 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]] 462 462 463 - 464 464 (% _mstvisible="1" %) 465 465 * External temperature= (0xF54F-65536)/100=-27.37℃ 466 466 ... ... @@ -477,7 +477,6 @@ 477 477 ))) 478 478 479 479 480 - 481 481 (% _mstvisible="1" %) 482 482 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ==== 483 483 ... ... @@ -484,28 +484,28 @@ 484 484 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %) 485 485 Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below: 486 486 487 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)488 -(% _mstvisible="3" %)| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)453 +(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:510px" %) 454 +(% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %) 489 489 ((( 490 490 (% _mstvisible="6" %) 491 491 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)** 492 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)458 +)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %) 493 493 ((( 494 494 (% _mstvisible="6" %) 495 495 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2** 496 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)462 +)))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %) 497 497 ((( 498 498 (% _mstvisible="6" %) 499 499 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2** 500 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)466 +)))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %) 501 501 ((( 502 502 (% _mstvisible="6" %) 503 503 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2** 504 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)470 +)))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %) 505 505 ((( 506 506 (% _mstvisible="6" %) 507 507 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1** 508 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)474 +)))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %) 509 509 ((( 510 510 (% _mstvisible="6" %) 511 511 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4** ... ... @@ -557,12 +557,11 @@ 557 557 ))) 558 558 ))) 559 559 560 - 561 561 (% _mstvisible="1" %) 562 562 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity** 563 563 564 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)565 -(% _mstvisible="3" %)| =(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width:;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width:;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width:;" %)[11:0]529 +(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:469px" %) 530 +(% _mstvisible="3" %)|(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width:65px" %)Bit(bit)|(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width:267px" %)[15:14]|(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width:134px" %)[11:0] 566 566 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %) 567 567 ((( 568 568 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %) ... ... @@ -588,7 +588,6 @@ 588 588 589 589 ))) 590 590 591 - 592 592 (% _mstvisible="1" %) 593 593 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte** 594 594 ... ... @@ -600,7 +600,6 @@ 600 600 * Sync time OK: 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server. 601 601 * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this) 602 602 603 - 604 604 (% _mstvisible="1" %) 605 605 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) == 606 606 ... ... @@ -644,8 +644,6 @@ 644 644 (% _mstvisible="1" %) 645 645 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]] 646 646 647 - 648 - 649 649 (% _mstvisible="1" %) 650 650 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) == 651 651 ... ... @@ -652,7 +652,6 @@ 652 652 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %) 653 653 Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N. 654 654 655 - 656 656 (% _mstvisible="1" %) 657 657 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) === 658 658 ... ... @@ -663,7 +663,6 @@ 663 663 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 664 664 1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover. 665 665 666 - 667 667 (% _mstvisible="1" %) 668 668 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) === 669 669 ... ... @@ -692,7 +692,6 @@ 692 692 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %) 693 693 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 694 694 695 - 696 696 (% _mstvisible="1" %) 697 697 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) === 698 698 ... ... @@ -742,9 +742,6 @@ 742 742 ((( 743 743 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %) 744 744 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 745 - 746 -(% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %) 747 - 748 748 ))) 749 749 750 750 (% _mstvisible="1" %) ... ... @@ -793,8 +793,8 @@ 793 793 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload** 794 794 ))) 795 795 796 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)797 -(% _mstvisible="3" %)| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)751 +(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:510px" %) 752 +(% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %) 798 798 ((( 799 799 (% _mstvisible="6" %) 800 800 ((( ... ... @@ -801,7 +801,7 @@ 801 801 (% _mstvisible="7" %) 802 802 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)** 803 803 ))) 804 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)759 +)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %) 805 805 ((( 806 806 (% _mstvisible="6" %) 807 807 ((( ... ... @@ -808,7 +808,7 @@ 808 808 (% _mstvisible="7" %) 809 809 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2** 810 810 ))) 811 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)766 +)))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %) 812 812 ((( 813 813 (% _mstvisible="6" %) 814 814 ((( ... ... @@ -815,7 +815,7 @@ 815 815 (% _mstvisible="7" %) 816 816 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2** 817 817 ))) 818 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)773 +)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %) 819 819 ((( 820 820 (% _mstvisible="6" %) 821 821 ((( ... ... @@ -822,7 +822,7 @@ 822 822 (% _mstvisible="7" %) 823 823 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2** 824 824 ))) 825 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)780 +)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %) 826 826 ((( 827 827 (% _mstvisible="6" %) 828 828 ((( ... ... @@ -829,7 +829,7 @@ 829 829 (% _mstvisible="7" %) 830 830 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1** 831 831 ))) 832 -)))| =(% _mstvisible="4" style="width:;" %)(% _mstvisible="5" %)787 +)))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %) 833 833 ((( 834 834 (% _mstvisible="6" %) 835 835 ((( ... ... @@ -917,7 +917,6 @@ 917 917 ))) 918 918 ))) 919 919 920 - 921 921 (% _mstvisible="1" %) 922 922 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext** 923 923 ... ... @@ -956,9 +956,6 @@ 956 956 (% _mstvisible="2" %) 957 957 ((( 958 958 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 959 - 960 - 961 -(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 962 962 For example, in US915 band, the max payload for different DR is: 963 963 ))) 964 964 ))) ... ... @@ -1102,8 +1102,6 @@ 1102 1102 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105. 1103 1103 ))) 1104 1104 1105 - 1106 - 1107 1107 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %) 1108 1108 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator == 1109 1109 ... ... @@ -1142,9 +1142,9 @@ 1142 1142 For each success downlink, the PURPLE LED will blink once 1143 1143 ))) 1144 1144 1094 +(% _mstvisible="1" %) 1095 +---- 1145 1145 1146 - 1147 - 1148 1148 (% _mstvisible="1" style="text-align: left;" %) 1149 1149 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) == 1150 1150 ... ... @@ -1151,7 +1151,6 @@ 1151 1151 (% _mstvisible="1" %) 1152 1152 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]] 1153 1153 1154 - 1155 1155 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %) 1156 1156 = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) = 1157 1157 ... ... @@ -1173,8 +1173,6 @@ 1173 1173 * -55°C to 125°C 1174 1174 * Working voltage 2.35v ~~ 5v 1175 1175 1176 - 1177 - 1178 1178 (% _mstvisible="1" style="text-align: left;" %) 1179 1179 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) = 1180 1180 ... ... @@ -1928,12 +1928,13 @@ 1928 1928 Weight / pcs : 170g 1929 1929 ))) 1930 1930 1931 -= 9. Reference = 1932 1932 1933 - * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]1878 +9. Reference 1934 1934 1935 -= 10. FCC Warning = 1936 1936 1881 + 1882 +10. FCC Warning 1883 + 1937 1937 (% _mstvisible="1" %) 1938 1938 ((( 1939 1939 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)