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Xiaoling 69.2 1 (% style="text-align:center" %)
Edwin Chen 43.1 2 [[image:image-20220620202334-2.png||height="467" width="809"]]
Xiaoye 4.1 3
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5 (((
Xiaoling 69.2 6
Xiaoye 4.1 7
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9 )))
Xiaoye 5.1 10
11 **Table of Contents:**
12
13 {{toc/}}
14
Xiaoling 69.2 15
Kilight Cao 11.1 16 = **1. Introduction** =
Xiaoye 5.1 17
Kilight Cao 12.1 18 == **1.1 What is LPS8v2** ==
Xiaoye 5.1 19
Xiaoling 69.2 20
Xiaoye 5.1 21 (((
Xiaoling 69.7 22 (((
Edwin Chen 44.1 23 The LPS8v2 is an (% style="color:green" %)**open-source LoRaWAN Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
Xiaoling 69.7 24 )))
Xiaoye 6.2 25
Xiaoling 69.7 26 (((
Edwin Chen 44.1 27 The LPS8v2 is fully compatible with LoRaWAN protocol. It supports different kinds of LoRaWAN Network Connections such as: (% style="color:green" %)**Semtech UDP Packet Forwarder, LoRaWAN Basic Station, ChirpStack MQTT Bridge**(%%), and so on. This makes LPS8V2 work with most LoRaWAN platforms in the market.
Xiaoling 69.7 28 )))
Xiaoye 6.2 29
Xiaoling 69.7 30 (((
Edwin Chen 44.1 31 LPS8v2 also includes a (% style="color:green" %)**built-in LoRaWAN Server and IoT server**(%%), which provide the possibility for the system integrator to deploy the IoT service without cloud service or 3rd servers.
Xiaoling 69.7 32 )))
Xiaoye 6.2 33
Xiaoling 69.7 34 (((
Edwin Chen 43.1 35 Different countries use different LoRaWAN frequency bands. LPS8v2 has these bands pre-configured. Users can also customize the frequency bands to use in their own LoRa network.
Xiaoling 69.7 36 )))
Xiaoye 6.2 37
Xiaoling 69.7 38 (((
Edwin Chen 44.1 39 LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
Xiaoling 69.7 40 )))
Edwin Chen 43.1 41
42
Xiaoling 69.2 43
Kilight Cao 11.1 44 == **1.2 Specifications** ==
Xiaoye 6.2 45
46
Xiaoling 69.2 47 (% style="color:#037691" %)**Hardware System:**
48
Edwin Chen 46.1 49 * CPU: Quad-core Cortex-A7 1.2Ghz
Xiaoye 6.2 50 * RAM: 512MB
51 * eMMC: 4GB
52
Xiaoling 69.7 53
54
Xiaoling 69.2 55 (% style="color:#037691" %)**Interface:**
Xiaoye 6.2 56
57 * 10M/100M RJ45 Ports x 1
Edwin Chen 45.1 58 * Multi-Channel LoRaWAN Wireless
Edwin Chen 43.1 59 * WiFi 802.11 b/g/n
Xiaoye 6.2 60
Xiaoling 69.7 61
62
Xiaoling 69.2 63 (% style="color:#037691" %)**Operating Condition:**
Xiaoye 6.2 64
65 * Work Temperature: -20 ~~ 65°C
66 * Storage Temperature: -20 ~~ 65°C
Edwin Chen 45.1 67 * Power Input: 5V, 2A, DC
Xiaoye 6.2 68
Xiaoling 69.7 69
70
71
72
Kilight Cao 11.1 73 == **1.3 Features** ==
Xiaoye 6.2 74
Xiaoling 69.2 75
Xiaoye 6.2 76 * Open Source Debian system
77 * Managed by Web GUI, SSH via WAN or WiFi
Edwin Chen 45.1 78 * Remote Management
Edwin Chen 49.1 79 * Auto-provisioning for batch deployment and management
Xiaoye 6.2 80 * LoRaWAN Gateway
81 * 10 programmable parallel demodulation paths
Xiaoye 26.1 82 * Pre-configured to support different LoRaWAN regional settings.
Kilight Cao 11.1 83 * Allow customizing LoRaWAN regional parameters.
Edwin Chen 45.1 84 * Different kinds of LoRaWAN Connections such as
85 ** Semtech UDP Packet Forwarder
86 ** LoRaWAN Basic Station
87 ** ChirpStack-Gateway-Bridge (MQTT)
Xiaoling 69.2 88 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
89 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
Xiaoye 6.2 90
Xiaoling 69.8 91
92
93
94
Kilight Cao 11.1 95 == **1.4 Block Diagram** ==
Xiaoye 6.2 96
97
Xiaoling 69.3 98
Xiaoye 35.1 99 == **1.5 LED Indicators** ==
100
Xiaoling 69.3 101
Xiaoye 35.1 102 LPS8-V2 has totally four LEDs, They are:
103
104
Xiaoling 69.3 105 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
Xiaoye 35.1 106
Xiaoling 69.3 107 (% style="color:blue" %)//**➢ LoRa LED**//(%%)//: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
Xiaoye 35.1 108
Xiaoling 69.3 109 (% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
Xiaoye 35.1 110
Xiaoling 69.3 111 // ✓ **SOLID BLUE:** The device is alive with a LoRaWAN server connection.//
Xiaoye 35.1 112
Xiaoling 69.3 113 // ✓ **BLINKING BLUE:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING BLUE for several seconds and then with SOLID RED and BLINKING BLUE together//
Xiaoye 35.1 114
Xiaoling 69.4 115 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
Xiaoye 35.1 116
Xiaoling 69.3 117 (% style="color:blue" %)//**➢ ETH LED**//(%%)//: This LED shows the ETH interface connection status.//
Xiaoye 35.1 118
119
Xiaoling 69.3 120
Xiaoye 26.1 121 = **2. Quick Start** =
Xiaoye 8.1 122
Xiaoling 69.4 123
Xiaoye 26.1 124 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
Xiaoye 8.1 125
Xiaoye 26.1 126 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
Xiaoye 8.1 127
128
Xiaoling 69.4 129
Xiaoye 35.1 130 == **2.1 Connects to the network and accesses the gateway Web UI** ==
Xiaoye 8.1 131
132
Xiaoye 35.1 133 == **2.1.1 connect the network.** ==
Xiaoye 8.1 134
Xiaoye 35.1 135 === ===
Xiaoye 8.1 136
Xiaoling 69.4 137 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
Xiaoye 26.1 138
Xiaoling 69.4 139
Xiaoling 69.10 140 (((
Xiaoye 35.1 141 Connect the LPS8-V2 Ethernet port to your router and LPS8 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LPS8-V2.
Xiaoling 69.10 142 )))
Xiaoye 26.1 143
Xiaoling 69.10 144 (((
Xiaoye 35.1 145 You can also use this IP to connect.
Xiaoling 69.10 146 )))
Xiaoye 35.1 147
148 [[image:image-20220622100129-1.png||height="332" width="1263"]]
149
150
151
Xiaoling 69.4 152 === (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
Xiaoye 35.1 153
Xiaoling 69.4 154
Xiaoye 35.1 155 [[image:image-20220622100542-2.png||height="369" width="1256"]]
156
157
Xiaoling 69.11 158 (((
Xiaoye 35.1 159 The LPS8-V2 has a fall-back IP address on its WAN port. you have to access the gateway Web-UI to configure the WiFi connection via the fallback IP address.
Xiaoling 69.11 160 )))
Xiaoye 35.1 161
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Xiaoling 69.4 164 (% style="color:#037691" %)**Steps to connect via fallback IP:**
Xiaoye 35.1 165
Xiaoling 69.11 166 ~1. Connect PC's Ethernet port to LPS8-V2's WAN port
Xiaoling 69.4 167
Xiaoye 35.1 168 2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
169
170 [[image:image-20220622101433-4.png]]
171
172
173 and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
174
175
176 [[image:image-20220622102210-5.png||height="569" width="1039"]]
177
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Xiaoling 69.4 179 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
Xiaoye 35.1 180
181
182 [[image:image-20220622102702-6.png]]
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Xiaoling 69.4 185
Xiaoye 35.1 186 **Wi-Fi configuration successful**
187
188
189 [[image:image-20220622102847-7.png]]
190
Xiaoling 69.4 191
Xiaoye 35.1 192 [[image:image-20220622102901-8.png||height="513" width="1011"]]
193
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195
Xiaoye 26.1 196 == **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
197
198
Xiaoye 41.1 199 === **2.2.1 Select your area frequency** ===
Xiaoye 26.1 200
Xiaoling 69.4 201
Xiaoling 69.12 202 (((
Xiaoye 41.1 203 First, you need to set the frequency plan in LPS8-V2 to match the end node we use, so to receive the LoRaWAN packets from the LoRaWAN sensor.
Xiaoling 69.12 204 )))
Xiaoye 26.1 205
Xiaoye 41.1 206 [[image:image-20220622103332-9.png]]
Xiaoye 26.1 207
208
Xiaoling 69.4 209
Xiaoye 41.1 210 === **2.2.2 Get the only gateway EUI** ===
211
Xiaoling 69.4 212
Xiaoye 41.1 213 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
214
215 [[image:image-20220622103355-10.png]]
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Xiaoling 69.4 218 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
Xiaoye 41.1 219
Xiaoling 69.4 220
Xiaoye 41.1 221 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
222
223 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
224
225 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
226
227 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
228
229
230 [[image:image-20220622103956-12.png]]
231
232
233
234 == 2.2.3 Register the gateway to The Things Network ==
235
Xiaoling 69.4 236
Xiaoye 41.1 237 **Login to The Things Network**
238
239 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
240
Xiaoling 69.4 241
Xiaoye 41.1 242 **Add the gateway**
243
244 [[image:image-20220622104252-13.png||height="511" width="953"]]
245
246
247 **Get it online**
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249
Xiaoling 69.4 250
Kilight Cao 15.1 251 = **3. Web Configure Pages** =
Xiaoye 8.1 252
253
Kilight Cao 15.1 254 == **3.1 Home** ==
Kilight Cao 11.1 255
Xiaoling 69.4 256
Kilight Cao 23.1 257 //Shows the system running status~://
Kilight Cao 15.1 258
Xiaoling 69.4 259
Kilight Cao 15.1 260 == **3.2 LoRa Settings** ==
261
262
Kilight Cao 23.1 263 === **3.2.1 LoRa ~-~-> LoRa** ===
Kilight Cao 15.1 264
265
Kilight Cao 23.1 266 //This page shows the LoRa Radio Settings. There is a set of default frequency bands according to LoRaWAN protocol, and users can customize the band* as well.//
Kilight Cao 15.1 267
Kilight Cao 23.1 268 //Different LPS8v2 hardware versions can support different frequency ranges~://
Kilight Cao 15.1 269
Kilight Cao 23.1 270 * (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.//
271 * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
Xiaoye 8.1 272
Kilight Cao 23.1 273 (% class="wikigeneratedid" %)
Xiaoling 69.4 274 //After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page (% style="color:#037691" %)**LogRead ~-~-> LoRa Log**//
Kilight Cao 23.1 275
276 (% class="wikigeneratedid" %)
277 [[image:image-20220616110739-1.png||height="372" width="682"]]
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Xiaoling 69.4 280 (((
Xiaoling 69.5 281 (% style="color:red" %)//**Note *: See this instruction for how to customize the frequency band: **//(%%)**//__[[How to customized LoRaWAN frequency band - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/How%20to%20customized%20LoRaWAN%20frequency%20band/]]__//**
Xiaoling 69.4 282 )))
Kilight Cao 23.1 283
284
285
286 == **3.3 LoRaWAN Settings** ==
287
288
289 === **3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP** ===
290
291
292 //This page is for the connection set up to a general LoRaWAN Network server such as [[TTN>>url:http://www.thethingsnetwork.org/]], [[ChirpStack>>url:https://www.chirpstack.io/]], etc.//
293
294 [[image:image-20220616111932-2.png||height="516" width="672"]]
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296
Xiaoling 69.5 297
Kilight Cao 23.1 298 === **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
299
300
301 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
302
303 [[image:image-20220616113246-3.png||height="396" width="672"]]
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Xiaoling 69.12 306 (((
Kilight Cao 23.1 307 Please see this instruction to know more detail and a demo for how to use of LoRaWAN Basic Station: __[[Use of LoRaWAN Basic Station - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/Use%20of%20LoRaWAN%20Basic%20Station/]]__
Xiaoling 69.12 308 )))
Kilight Cao 23.1 309
310
Xiaoling 69.5 311
Kilight Cao 23.1 312 == **3.4 Network Settings** ==
313
314
315 === **3.4.1 Network ~-~-> WiFi** ===
316
317
318 [[image:image-20220616114756-4.png||height="251" width="669"]]
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320
Xiaoling 69.5 321
Kilight Cao 23.1 322 === **3.4.2 Network ~-~-> System Status** ===
323
324
325 [[image:image-20220616115229-5.png||height="548" width="665"]]
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Xiaoling 69.5 328
Kilight Cao 23.1 329 === **3.4.3 Network ~-~-> Firewall** ===
330
331
332 [[image:image-20220616115351-6.png||height="244" width="661"]]
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Xiaoling 69.5 335
Kilight Cao 23.1 336 == **3.5 System** ==
337
338
339 === **3.5.1  System ~-~-> System Overview** ===
340
341
342 Shows the system info:
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344
Xiaoling 69.5 345
Kilight Cao 23.1 346 === **3.5.2 System ~-~-> Backup/Restore** ===
347
348
349 [[image:image-20220616115808-7.png||height="194" width="649"]]
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Xiaoye 60.1 353 = **4. Build-in LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** =
Xiaoye 53.1 354
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Xiaoling 69.5 356 The default factory version of LPS8-V2 is installed with the Built-in LoRaWAN Server: (% style="color:blue" %)**The Things Network - Stack (Open Source 3.19 Version).**
Xiaoye 53.1 357
Xiaoling 69.5 358 You can access the gateway's built-in LNS server of **The Things Network - Stack **via the URL( (% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
Xiaoye 53.1 359
Kilight Cao 58.1 360
Xiaoling 69.5 361 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
Kilight Cao 58.1 362
363
Xiaoye 60.1 364 Login account:
Kilight Cao 59.1 365
Xiaoling 69.5 366 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
Xiaoye 60.1 367
Xiaoling 69.5 368 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
Xiaoye 60.1 369
370
Kilight Cao 57.1 371 [[image:image-20220725171719-1.png||height="570" width="769"]]
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373
Xiaoling 69.12 374 (((
Xiaoling 69.5 375 (% style="color:red" %)**Note:  A portion of the sample devices that were not installed with Node-Red.
376 You can complete the installation manually with the following command.**
Xiaoling 69.12 377 )))
Kilight Cao 58.1 378
Xiaoling 69.5 379
Xiaoye 67.1 380 (% class="box infomessage" %)
381 (((
Xiaoling 69.12 382 (((
Xiaoye 67.1 383 (% class="mark" %)cd /tmp && wget http:~/~/repo.dragino.com/release/tool/ttnstack/autoinstall_ttn-stack.sh
Xiaoling 69.12 384 )))
Xiaoye 67.1 385
Xiaoling 69.12 386 (((
Xiaoye 67.1 387 (% style="background-color:#fcf8e3" %)chmod +x /tmp/autoinstall_ttn-stack.sh && /tmp/autoinstall_ttn-stack.sh ttn-stack
388 )))
Xiaoling 69.12 389 )))
Xiaoye 67.1 390
391
Xiaoling 69.5 392
Xiaoye 60.1 393 = **5. Build-in Application Server ~-~- Node-Red** =
Xiaoye 53.1 394
395
Xiaoling 69.6 396 The default factory version of LPS8-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red.**
Kilight Cao 59.1 397
Xiaoling 69.6 398 You can access the gateway's built-in AS server of **Node-Red **via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
Kilight Cao 59.1 399
400
Xiaoling 69.6 401 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or [[http:~~/~~/<Local-IPV4-Address~>>>http://<Local-IPV4-Address>]]//**__
Xiaoye 60.1 402
Xiaoling 69.6 403
Kilight Cao 57.1 404 [[image:image-20220725172124-3.png||height="610" width="843"]]
Xiaoye 53.1 405
406
Xiaoling 69.12 407 (((
Xiaoling 69.6 408 (% style="color:red" %)**Note:  A portion of the sample devices that were not installed with Node-Red.
409 You can complete the installation manually with the following command.**
Xiaoling 69.12 410 )))
Xiaoye 53.1 411
Xiaoye 61.1 412
413
Xiaoye 64.1 414 (% class="box infomessage" %)
415 (((
Xiaoling 69.12 416 (((
Xiaoye 67.1 417 (% class="mark" %)cd /tmp && wget  http:~/~/repo.dragino.com/release/tool/nodered/autoinstall_nodered.sh
418 chmod +x /tmp/autoinstall_nodered.sh && /tmp/autoinstall_nodered.sh node-red
Xiaoye 64.1 419 )))
Xiaoling 69.12 420 )))
Xiaoye 61.1 421
Xiaoye 69.1 422 [[image:image-20220728102000-1.png]]
Xiaoye 61.1 423
424
Xiaoling 69.6 425
Kilight Cao 23.1 426 (% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
427
Xiaoling 69.6 428
Kilight Cao 14.1 429 (((
430 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
431 )))
Xiaoye 8.1 432
Kilight Cao 14.1 433 (((
434 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
Kilight Cao 15.1 435
Edwin Chen 50.1 436
Xiaoling 69.6 437
Edwin Chen 50.1 438 = **11 Reference** =
439
Xiaoling 69.6 440
Edwin Chen 52.1 441 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
Edwin Chen 50.1 442
Xiaoling 69.12 443
Kilight Cao 15.1 444
Kilight Cao 14.1 445 )))
Xiaoye 8.1 446
Edwin Chen 50.1 447 = **12. Order Info** =
Xiaoye 8.1 448
Xiaoling 69.6 449
Edwin Chen 42.1 450 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
Xiaoye 8.1 451
Kilight Cao 14.1 452 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
Xiaoye 8.1 453
Xiaoling 69.6 454 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
455 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
456 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
457 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
458 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
459 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
Xiaoye 8.1 460
Xiaoling 69.6 461
Edwin Chen 42.1 462 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
463
Xiaoling 69.6 464 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
465 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
466 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
467 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
Edwin Chen 42.1 468
469 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
470
471
Xiaoling 69.6 472
Edwin Chen 50.1 473 = **13. Manufacturer Info** =
Xiaoye 8.1 474
Xiaoling 69.6 475
Xiaoye 8.1 476 **Shenzhen Dragino Technology Development co. LTD**
477
478 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
479
480 LongCheng Street, LongGang District ; Shenzhen 518116,China
481
482
Xiaoling 69.6 483
Edwin Chen 50.1 484 = **14. FCC Warning** =
Xiaoye 8.1 485
Xiaoling 69.6 486
Xiaoling 69.12 487 (((
Xiaoye 8.1 488 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Xiaoling 69.12 489 )))
Xiaoye 8.1 490
Xiaoling 69.12 491 (((
Xiaoye 8.1 492 ~-~- Reorient or relocate the receiving antenna.
Xiaoling 69.12 493 )))
Xiaoye 8.1 494
Xiaoling 69.12 495 (((
Xiaoye 8.1 496 ~-~- Increase the separation between the equipment and receiver.
Xiaoling 69.12 497 )))
Xiaoye 8.1 498
Xiaoling 69.12 499 (((
Xiaoye 8.1 500 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Xiaoling 69.12 501 )))
Xiaoye 8.1 502
Xiaoling 69.12 503 (((
Xiaoye 8.1 504 ~-~- Consult the dealer or an experienced radio/TV technician for help.
Xiaoling 69.12 505 )))
Xiaoye 8.1 506
507
Xiaoling 69.12 508 (((
Xiaoye 8.1 509 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Xiaoling 69.12 510 )))
Xiaoye 8.1 511
512
Xiaoling 69.12 513 (((
Xiaoye 8.1 514 The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
515 )))
Xiaoling 69.12 516 )))
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