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743		-= ​5.  FAQ =
	743	+= ​4. FAQ =
744	744
745		-== 5.1 ​ How to Upgrade Firmware ==
	745	+== 4.1 ​How to change the LoRa Frequency Bands/Region? ==
746	746
	747	+(((
	748	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
	749	+When downloading the images, choose the required image file for download. ​
	750	+)))
747	747
748	748	(((
749		-User can upgrade the firmware for 1) bug fix, 2) new feature release.
	753	+
750	750	)))
751	751
752	752	(((
753		-Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
	757	+How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.
754	754	)))
755	755
756	756	(((
757		-(% style="color:red" %)Notice, NSE01 and LSE01 share the same mother board. They use the same connection and method to update.
	761	+
758	758	)))
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	764	+(((
	765	+You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA.
	766	+)))
760	760
	768	+(((
	769	+
	770	+)))
761	761
762		-= 6.  Trouble Shooting =
	772	+(((
	773	+For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets.
	774	+)))
763	763
764		-== 6.1  ​Connection problem when uploading firmware ==
	776	+[[image:image-20220606154726-3.png]]
765	765
766	766
767		-(% class="wikigeneratedid" %)
	779	+When you use the TTN network, the US915 frequency bands use are:
	780	+
	781	+* 903.9 - SF7BW125 to SF10BW125
	782	+* 904.1 - SF7BW125 to SF10BW125
	783	+* 904.3 - SF7BW125 to SF10BW125
	784	+* 904.5 - SF7BW125 to SF10BW125
	785	+* 904.7 - SF7BW125 to SF10BW125
	786	+* 904.9 - SF7BW125 to SF10BW125
	787	+* 905.1 - SF7BW125 to SF10BW125
	788	+* 905.3 - SF7BW125 to SF10BW125
	789	+* 904.6 - SF8BW500
	790	+
768	768	(((
769		-(% style="font-size:14px" %)**Please see: **(%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting||style="background-color: rgb(255, 255, 255); font-size: 14px;"]]
	792	+Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:
	793	+
	794	+* (% style="color:#037691" %)**AT+CHE=2**
	795	+* (% style="color:#037691" %)**ATZ**
770	770	)))
771	771
	798	+(((
	799	+
772	772
	801	+to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink.
	802	+)))
773	773
774		-== 6.2  AT Command input doesn't work ==
	804	+(((
	805	+
	806	+)))
775	775
776	776	(((
	809	+The **AU915** band is similar. Below are the AU915 Uplink Channels.
	810	+)))
	811	+
	812	+[[image:image-20220606154825-4.png]]
	813	+
	814	+
	815	+== 4.2 ​Can I calibrate LSE01 to different soil types? ==
	816	+
	817	+LSE01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/&file=Calibrate_to_other_Soil_20220605.pdf]].
	818	+
	819	+
	820	+= 5. Trouble Shooting =
	821	+
	822	+== 5.1 ​Why I can't join TTN in US915 / AU915 bands? ==
	823	+
	824	+It is due to channel mapping. Please see the [[Eight Channel Mode>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.19EightChannelMode"]] section above for details.
	825	+
	826	+
	827	+== 5.2 AT Command input doesn't work ==
	828	+
	829	+(((
777	777	In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
778	778	)))
779	779
780	780
	834	+== 5.3 Device rejoin in at the second uplink packet ==
781	781
782		-= 7. ​ Order Info =
	836	+(% style="color:#4f81bd" %)**Issue describe as below:**
783	783
	838	+[[image:1654500909990-784.png]]
784	784
785		-Part Number**:** (% style="color:#4f81bd" %)**NSE01**
786	786
	841	+(% style="color:#4f81bd" %)**Cause for this issue:**
787	787
	843	+(((
	844	+The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin.
	845	+)))
	846	+
	847	+
	848	+(% style="color:#4f81bd" %)**Solution: **
	849	+
	850	+All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below:
	851	+
	852	+[[image:1654500929571-736.png||height="458" width="832"]]
	853	+
	854	+
	855	+= 6. ​Order Info =
	856	+
	857	+
	858	+Part Number**:** (% style="color:#4f81bd" %)**LSE01-XX-YY**
	859	+
	860	+
	861	+(% style="color:#4f81bd" %)**XX**(%%)**:** The default frequency band
	862	+
	863	+* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
	864	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	865	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	866	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	867	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	868	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	869	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	870	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	871	+
	872	+(% style="color:#4f81bd" %)**YY**(%%)**: **Battery Option
	873	+
	874	+* (% style="color:red" %)**4**(%%): 4000mAh battery
	875	+* (% style="color:red" %)**8**(%%): 8500mAh battery
	876	+
788	788	(% class="wikigeneratedid" %)
789	789	(((
790	790
...	...	@@ -796,10 +796,6 @@
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798	798	(% style="color:#037691" %)**Package Includes**:
799		-
800		-
801		-* NSE01 NB-IoT Sensor Node x 1
802		-* External antenna x 1
803	803	)))
804	804
805	805	* (((
...	...	@@ -810,20 +810,24 @@
810	810
811	811
812	812	(% style="color:#037691" %)**Dimension and weight**:
	898	+)))
813	813
814		-
815		-* Size: 195 x 125 x 55 mm
816		-* Weight:   420g
	900	+* (((
	901	+Device Size: cm
817	817	)))
	903	+* (((
	904	+Device Weight: g
	905	+)))
	906	+* (((
	907	+Package Size / pcs : cm
	908	+)))
	909	+* (((
	910	+Weight / pcs : g
818	818
819		-(((
820	820
821		-
822		-
823		-
824	824	)))
825	825
826		-= 9.  Support =
	915	+= 8. Support =
827	827
828	828	* 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.
829	829	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]