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Title

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1		-LPS8v2 LoRaWAN Indoor Gateway
	1	+LPS8v2 LoRaWAN Indoor Gateway User Manual

Content

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	1	+(% style="text-align:center" %)
1	1	[[image:image-20220620202334-2.png||height="467" width="809"]]
2	2
3	3
4	4	(((
5		-**LPS8v2 User Manual**
	6	+
6	6
7	7
8	8	)))
...	...	@@ -11,37 +11,55 @@
11	11
12	12	{{toc/}}
13	13
	15	+
	16	+
	17	+
	18	+
14	14	= **1. Introduction** =
15	15
	21	+
16	16	== **1.1 What is LPS8v2** ==
17	17
	24	+
18	18	(((
	26	+(((
19	19	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.
	28	+)))
20	20
	30	+(((
21	21	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.
	32	+)))
22	22
	34	+(((
23	23	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.
	36	+)))
24	24
	38	+(((
25	25	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.
	40	+)))
26	26
	42	+(((
27	27	LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
	44	+)))
28	28
29	29
	47	+
30	30	== **1.2 Specifications** ==
31	31
32		-**Hardware System:**
33	33
	51	+(% style="color:#037691" %)**Hardware System:**
	52	+
34	34	* CPU: Quad-core Cortex-A7 1.2Ghz
35	35	* RAM: 512MB
36	36	* eMMC: 4GB
37	37
38		-**Interface:**
	57	+(% style="color:#037691" %)**Interface:**
39	39
40	40	* 10M/100M RJ45 Ports x 1
41	41	* Multi-Channel LoRaWAN Wireless
42	42	* WiFi 802.11 b/g/n
43	43
44		-**Operating Condition:**
	63	+(% style="color:#037691" %)**Operating Condition:**
45	45
46	46	* Work Temperature: -20 ~~ 65°C
47	47	* Storage Temperature: -20 ~~ 65°C
...	...	@@ -49,6 +49,7 @@
49	49
50	50	== **1.3 Features** ==
51	51
	71	+
52	52	* Open Source Debian system
53	53	* Managed by Web GUI, SSH via WAN or WiFi
54	54	* Remote Management
...	...	@@ -61,73 +61,98 @@
61	61	** Semtech UDP Packet Forwarder
62	62	** LoRaWAN Basic Station
63	63	** ChirpStack-Gateway-Bridge (MQTT)
64		-* Built-in //**The Things Network**// local LoRaWAN server
65		-* Built-in  //**Node-Red**// local Application server
	84	+* Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
	85	+* Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
66	66
67	67	== **1.4 Block Diagram** ==
68	68
69	69
	90	+
70	70	== **1.5 LED Indicators** ==
71	71
	93	+
72	72	LPS8-V2 has totally four LEDs, They are:
73	73
74	74
75		-//**➢ Power LED**: This RED LED will be solid if the device is properly powered//
	97	+(% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
76	76
	99	+(% style="color:blue" %)//**➢ ETH LED**//(%%)//: This RGB LED will blink GREEN when the ETH port is connecting//
77	77
78		-//**➢ LoRa LED**: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
	101	+(% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
79	79
	103	+// ✓ **SOLID GREEN:** The device is alive with a LoRaWAN server connection.//
80	80
81		-//**➢ SYS LED**: This RGB LED will show different colors in different states~://
	105	+// ✓ **BLINKING GREEN:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING GREEN for several seconds and then with BLINKING GREEN together//
82	82
83		-// ✓ SOLID BLUE: The device is alive with a LoRaWAN server connection.//
	107	+// ✓** SOLID RED:** Device doesn't have an Internet connection.//
84	84
85		-// ✓ 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//
	109	+(% style="color:blue" %)//**➢ WIFI LED**//(%%)//: This LED shows the WIFI interface connection status.//
86	86
87		-// ✓ SOLID RED: Device doesn’t have an Internet connection.//
88	88
	112	+== **1.6 Button Intruction** ==
89	89
90		-//**➢ ETH LED**: This LED shows the ETH interface connection status.//
91	91
	115	+LPS8-V2 has a black toggle button, which is:
92	92
	117	+
	118	+(% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
	119	+
	120	+ // **LED status: ** ETH LED will BLINKIND BULE Until the reload is finished.//
	121	+
	122	+
	123	+(% style="color:blue" %)//**➢ **//**Long press more than 10s:**(%%)**    **//the gateway will restore the factory settings.//
	124	+
	125	+ //**LED status: ** ETH LED will SOLID BULE Until the restore is finished.//
	126	+
93	93	= **2. Quick Start** =
94	94
	129	+
95	95	The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
96	96
97	97	In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
98	98
99	99
	135	+
100	100	== **2.1 Connects to the network and accesses the gateway Web UI** ==
101	101
102	102
103	103	== **2.1.1 connect the network.** ==
104	104
105		-=== ===
106	106
107		-=== **Method 1**: Connect via Ethernet with DHCP IP from the router ===
	142	+=== (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
108	108
	144	+
	145	+(((
109	109	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.
	147	+)))
110	110
	149	+(((
111	111	You can also use this IP to connect.
	151	+)))
112	112
113	113	[[image:image-20220622100129-1.png||height="332" width="1263"]]
114	114
115	115
116		-=== **Method 2**: Connect via WiFi with DHCP IP from the router ===
117	117
	157	+=== (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
118	118
	159	+
119	119	[[image:image-20220622100542-2.png||height="369" width="1256"]]
120	120
121	121
	163	+(((
122	122	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.
	165	+)))
123	123
124	124
125		-**Steps to connect via fallback IP:**
126	126
127		-~1. Connect PC’s Ethernet port to LPS8-V2's WAN port
	169	+(% style="color:#037691" %)**Steps to connect via fallback IP:**
128	128
	171	+~1. Connect PC's Ethernet port to LPS8-V2's WAN port
	172	+
129	129	2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
130	130
	175	+
131	131	[[image:image-20220622101433-4.png]]
132	132
133	133
...	...	@@ -137,41 +137,51 @@
137	137	[[image:image-20220622102210-5.png||height="569" width="1039"]]
138	138
139	139
140		-Fill in the WiFi information by checking the box and clicking **Save&Apply**
	185	+Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
141	141
142	142
143	143	[[image:image-20220622102702-6.png]]
144	144
145	145
	191	+
146	146	**Wi-Fi configuration successful**
147	147
148	148
149	149	[[image:image-20220622102847-7.png]]
150	150
	197	+
151	151	[[image:image-20220622102901-8.png||height="513" width="1011"]]
152	152
153	153
154	154
155		-
156	156	== **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
157	157
158	158
159	159	=== **2.2.1 Select your area frequency** ===
160	160
	207	+
	208	+(((
161	161	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.
162	162
	211	+
	212	+)))
	213	+
163	163	[[image:image-20220622103332-9.png]]
164	164
165	165
	217	+
166	166	=== **2.2.2 Get the only gateway EUI** ===
167	167
	220	+
168	168	Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
169	169
	223	+
170	170	[[image:image-20220622103355-10.png]]
171	171
172	172
173		-**Note: Choose the cluster that corresponds to a specific Gateway server address**
	227	+(% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
174	174
	229	+
175	175	**➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
176	176
177	177	**➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
...	...	@@ -185,12 +185,14 @@
185	185
186	186
187	187
188		-== 2.2.3 Register the gateway to The Things Network ==
	243	+== **2.2.3 Register the gateway to The Things Network** ==
189	189
	245	+
190	190	**Login to The Things Network**
191	191
192	192	[[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
193	193
	250	+
194	194	**Add the gateway**
195	195
196	196	[[image:image-20220622104252-13.png||height="511" width="953"]]
...	...	@@ -199,13 +199,17 @@
199	199	**Get it online**
200	200
201	201
	259	+
202	202	= **3. Web Configure Pages** =
203	203
204	204
205	205	== **3.1 Home** ==
206	206
	265	+
207	207	//Shows the system running status~://
208	208
	268	+
	269	+
209	209	== **3.2 LoRa Settings** ==
210	210
211	211
...	...	@@ -216,19 +216,21 @@
216	216
217	217	//Different LPS8v2 hardware versions can support different frequency ranges~://
218	218
219		-* (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.//
	280	+* (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865, or KZ865.//
220	220	* (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
221	221
222	222	(% class="wikigeneratedid" %)
223		-//After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page **LogRead ~-~-> LoRa Log**//
	284	+//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**//
224	224
	286	+
225	225	(% class="wikigeneratedid" %)
226	226	[[image:image-20220616110739-1.png||height="372" width="682"]]
227	227
228	228
229		-//**Note ***: See this instruction for how to customize the frequency band~://
	291	+(((
	292	+(% 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/]]__//**
	293	+)))
230	230
231		-//__[[How to customized LoRaWAN frequency band - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/How%20to%20customized%20LoRaWAN%20frequency%20band/]]__//
232	232
233	233
234	234	== **3.3 LoRaWAN Settings** ==
...	...	@@ -239,20 +239,26 @@
239	239
240	240	//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.//
241	241
	305	+
242	242	[[image:image-20220616111932-2.png||height="516" width="672"]]
243	243
244	244
	309	+
245	245	=== **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
246	246
247	247
248	248	//This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
249	249
	315	+
250	250	[[image:image-20220616113246-3.png||height="396" width="672"]]
251	251
252	252
	319	+(((
253	253	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/]]__
	321	+)))
254	254
255	255
	324	+
256	256	== **3.4 Network Settings** ==
257	257
258	258
...	...	@@ -262,12 +262,14 @@
262	262	[[image:image-20220616114756-4.png||height="251" width="669"]]
263	263
264	264
	334	+
265	265	=== **3.4.2 Network ~-~-> System Status** ===
266	266
267	267
268		-[[image:image-20220616115229-5.png||height="548" width="665"]]
	338	+[[image:image-20220820134112-2.png||height="539" width="668"]]
269	269
270	270
	341	+
271	271	=== **3.4.3 Network ~-~-> Firewall** ===
272	272
273	273
...	...	@@ -274,6 +274,7 @@
274	274	[[image:image-20220616115351-6.png||height="244" width="661"]]
275	275
276	276
	348	+
277	277	== **3.5 System** ==
278	278
279	279
...	...	@@ -283,6 +283,7 @@
283	283	Shows the system info:
284	284
285	285
	358	+
286	286	=== **3.5.2 System ~-~-> Backup/Restore** ===
287	287
288	288
...	...	@@ -290,22 +290,44 @@
290	290
291	291
292	292
293		-= **4. Build-in LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** =
	366	+= **4. Build-in Server** =
294	294
295	295
296		-The default factory version of LPS8-V2 is installed with the Built-in LoRaWAN Server: **The Things Network - Stack (Open Source 3.19 Version).**
	369	+The default factory version of LPS8-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red, and**(%%) LoRaWAN Server: (% style="color:blue" %)**The Things Network - Stack (Open Source 3.19 Version).**
297	297
298		-You can access the gateway's built-in LNS server of **The Things Network - Stack **via the URL((% class="mark" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
299	299
	372	+[[image:image-20220820115644-1.png]]
300	300
301		-Such as (% class="mark" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
302	302
	375	+(% style="color:red" %)**Note:**
303	303
	377	+ **Path**: System ~-~-> Built-in Server
	378	+
	379	+
	380	+**Troubleshooting:**
	381	+
	382	+
	383	+**~ 1. URL does not jump properly**
	384	+
	385	+ For the ttn-stack, you can click the update the URL which will update the configuration where change the hostname to the current local IP address as the URL.
	386	+
	387	+ For the Node-Red, you can use the local IP address and the port is 1880 to access it.
	388	+
	389	+
	390	+
	391	+== **4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** ==
	392	+
	393	+
	394	+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.
	395	+
	396	+Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
	397	+
	398	+
304	304	Login account:
305	305
306		-**User ID: ** (% class="mark" %)admin
	401	+**User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
307	307
308		-**Password: ** (% class="mark" %)dragino
	403	+**Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
309	309
310	310
311	311	[[image:image-20220725171719-1.png||height="570" width="769"]]
...	...	@@ -312,34 +312,55 @@
312	312
313	313
314	314
315		-= **5. Build-in Application Server ~-~- Node-Red** =
	410	+== **4.2. Application Server ~-~- Node-Red** ==
316	316
317	317
318		-The default factory version of LPS8-V2 is installed with the built-in Applicant server: **Node-Red.**
	413	+You can access the gateway's built-in AS server of **Node-Red **via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
319	319
320		-You can access the gateway's built-in AS server of **Node-Red **via the URL((% class="mark" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
321	321
	416	+Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
322	322
323		-Such as (% class="mark" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
324	324
325	325	[[image:image-20220725172124-3.png||height="610" width="843"]]
326	326
327	327
328	328
329		-**Note:  (% class="mark" %)A portion of the sample devices that were not installed with Node-Red.
330		- You can complete the installation manually with the following command.(%%)**
	423	+= **6. How users can access LPS8v2 using serial USB** =
331	331
332	332
	426	+**USB TTL to LPS8v2  Connection:**
	427	+
	428	+Port 1 of the UART on the LPS8v2 is GND
	429	+
333	333	(% class="box infomessage" %)
334	334	(((
335		-(% class="mark" %)cd /tmp && wget  [[http:~~/~~/repo.dragino.com/release/tool/nodered/autoinstall_nodered.sh>>url:http://repo.dragino.com/release/tool/nodered/autoinstall_nodered.sh]]
336		-(% class="mark" %)chmod +x /tmp/autoinstall_nodered.sh && /tmp/autoinstall_nodered.sh
	432	+TXD  <~-~--> UART RXD (Gray line)
	433	+
	434	+RXD  <~-~--> UART TXD (White line)
	435	+
	436	+GND <~-~--> GND (Black line)
337	337	)))
338	338
339	339
	440	+**LPS8v2 UART connection photo**
340	340
	442	+[[image:image-20220804163015-1.png||height="621" width="466"]]
	443	+
	444	+
	445	+
	446	+In the PC,you can use the serial port tool(such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows), you need to set the serial baud rate to (% style="color:blue" %)**115200**(%%) to access the serial console for LPS8v2. LPS8v2 will output system info once power on as below:
	447	+
	448	+
	449	+[[image:image-20220804164928-3.png||height="320" width="332"]]
	450	+
	451	+
	452	+[[image:image-20220804164747-2.png||height="622" width="594"]]
	453	+
	454	+
	455	+
341	341	(% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
342	342
	458	+
343	343	(((
344	344	**//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
345	345	)))
...	...	@@ -348,9 +348,12 @@
348	348	**//With your question as detailed as possible. We will reply and help you in the shortest.//**
349	349
350	350
	467	+
351	351	= **11 Reference** =
352	352
	470	+
353	353	* Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
	472	+* [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
354	354
355	355
356	356	)))
...	...	@@ -357,29 +357,32 @@
357	357
358	358	= **12. Order Info** =
359	359
	479	+
360	360	(% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
361	361
362	362	(% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
363	363
364		-* **AS923**: LoRaWAN AS923 band
365		-* **AU915**: LoRaWAN AU915 band
366		-* **EU868**: LoRaWAN EU868 band
367		-* **KR920**: LoRaWAN KR920 band
368		-* **US915**: LoRaWAN US915 band
369		-* **IN865**: LoRaWAN IN865 band
	484	+* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
	485	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	486	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	487	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	488	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	489	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
370	370
371	371	(% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
372	372
373		-* ** E**: EMEA, Korea, Thailand, India.
374		-* ** A**: North America/ Rogers/AT&T/T-Mobile.
375		-* ** AU**: Latin America, New Zeland, Taiwan
376		-* ** J**: Japan, DOCOMO/SoftBank/ KDDI
	493	+* (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
	494	+* (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
	495	+* (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
	496	+* (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
377	377
378	378	More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
379	379
380	380
	501	+
381	381	= **13. Manufacturer Info** =
382	382
	504	+
383	383	**Shenzhen Dragino Technology Development co. LTD**
384	384
385	385	Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
...	...	@@ -387,21 +387,39 @@
387	387	LongCheng Street, LongGang District ; Shenzhen 518116,China
388	388
389	389
	512	+
390	390	= **14. FCC Warning** =
391	391
	515	+
	516	+(((
392	392	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:
	518	+)))
393	393
	520	+(((
394	394	~-~- Reorient or relocate the receiving antenna.
	522	+)))
395	395
	524	+(((
396	396	~-~- Increase the separation between the equipment and receiver.
	526	+)))
397	397
	528	+(((
398	398	~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	530	+)))
399	399
	532	+(((
400	400	~-~- Consult the dealer or an experienced radio/TV technician for help.
	534	+)))
401	401
402	402
	537	+(((
403	403	Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	539	+)))
404	404
405	405
	542	+(((
406	406	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.
	544	+
	545	+
407	407	)))
	547	+)))

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