KWT-178AG Wireless Tester User's Guide
Contents
1. VVireless Tester User s Guide v2 0 COMPLIANT 802 11a 802 11b 802 11g 802 11n L l Index O Q O NOO KON Product Overview nnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunuunnnnnuuun 2 Hardware Specification nnnnnrnnnnnnnennnnnneennnnnneennnnnnn 4 FUNCHONS vii 7 EAN PINS ee 8 e Starind Page aaa iii 12 Man FUNCHONS 1sorianianin n 13 s LNO SOP PAGO asas aa nanna 15 Country Domain LIS esse sened AGA ki Gai GSG 20 GhannersSUrvey a nea 26 e BOS SUNVEV isso 20 Connecting Monitor nana nan nenen s ana s sene eee eres esse eee e e eres asi 26 s ROAMING VES RS 39 s AUXIIaY 100 40 i IDAMPIE seront 47 KFOUBIE SNOR 52 1 Product Overvievv The Tester is a vvireless testing device that operates in Win CE platform Supporting 802 11a b g n protocol it not only provides the chosen wireless environment with complete information such as the signal quality of each channel and the numbers of base stations but also monitors all base station of channels In addition the Tester can help users to trace the information of selected base stations including the encryptions the packets and the stations connecting to base station The Tester also offers the engineers some practical tools for reference during site survey or setting 2 Hardware Specification intel PXA270 520MHz 32 bits RISC Processor 128 MB SDRAM and 128 MB Flash ROM 802 11 A B G 5 dBi Dual Band2. Page WrScan e KW T 1 6AG System Starting The function table will be right on after starting the system 12 6 Main Function The Tester is designed to offer various kind of reliable functions to detect analyze and observe the assigned wireless environments for the purpose of trouble shootings With the collected information we can optimize the best infrastructure or setup certain Precautions to the negative impacts that will cause To the network There are 5 main functions for users to quick switching the option Basic Setting Set up the region Country Area time and check the status of Battery Channel Survey Information of each channel BSS Survey Information of the base station on each channel Roaming Test Check if the construction of base station is suitable for roaming Aux Tools Including the Attenuation of Free Space Measurement of Power Calculation of Effective Range Conversion of power unit mW dBm Detection of Base Station Detection of Wireless Client These keys help users switch to various pages Ga Instant Function Keys Setup Save Export Home Soft Keyboard Setup lt click the button gt The Tester will be switched to basic setting page Save lt click the button gt The page and the collected data can be stored Export lt click the button gt The saved files can be exported to external USB disk Home lt click the button gt Switch to main page Soft Keyboard lt clic
3. including channel SSID BSSID Security and RSSI 32 10a Exporting Data Connect U disk to Tester The saved files can be exported to the portable USB disk a Connect U disk to the Tester with the USB Host Cable b Click Export button to export datas from Tester to U Disk c IU Disk is not connected to the Tester a caution will appear on the page please plug U Disk in again 33 10b Observation of The Selected Base Station selected BSS Survey Signal WJ Fi AP Info STA Info AP Status Radio Mode lli Guth Mode Open SSID meeting Channel 10 Security Wep BSSID 00 60 63 13 0397 Support 1f2 5 5 11 6 9 12 18 2436 40 54 sla S gt Save EXPOr Base station information selected BSS Survey Signal I trai prepare da Tiki lil AP Info STA Info AP Status STAL O0 1B F 92 GF El STA OOS 02 Ae Fa STA O06 06 39 16015536 ST44 00 40 B60 64 C6 Client list selected B55 Survey Signal T Sam heja PTP ins wk hi M ui hj yt AN AP Info I STA Info AP Status 36M Ta 0 Raro 45M Tx 1 Rail 54M TK 0 Ras 2 Frames EEE es MER T Mot Tx 29 RA 1 9 Data Ts 4 RK 39 Base station status a This function displays the real status of the selected base stations for detecting and tracing such as the continuous performance of signal strength b The page displays 3 main detail information including the data
4. 5 O O SS O O 5 O O O IO File name all bg channel survey time 03 52 12 csv Click the Save button the following information will be stored a Channel Survey Page b All scoring information in each channel 21 This page shows the detailed information of the selected channel 9a a The red curve on the top of the graph indicates a real time status of the The Selected wireless signal The range of sensitivity is from 100 dBm to 10 dBm as Channel detecting b The table in the middle lists the detailed information for of the base stations in the detected channel such as SSID BSSID Security and RSSI c Click one of the base stations the system will lead you to the function of BSS Survey 28 The saved information 9a Current Channel Signal Channel Number Signal dBm b g 6 87 The Selected Channel Current Channel BSS List SSID BSSID Security RSSI D link G700AP 00 19 5B 09 C2 64 WPA PSK TKIP victor 00 15 E9 0E 08 7C Wep 00 18 F3 7A 9E E5 WPA PSK TKIP File name bg channel 6 time 04 14 19 csv Click the Save button the following information will be stored a The selected channel page b All information of base stations in the present channel including SSID BSSID Security and RSSI 29 B55 Survey B55 Survey 10 big 9338380830 big EM 2 5 6 7 8 9 1H Sel DES 60 DEM HAS 152 SS 157 den SE USB 60 64 149 152 153 157 160 BSS Survey gt E ee e victor 0 Hau All ch
5. Detachable Antenna x2 Antenna Connector RP SMA Jack One USB port built in 240 x 320 3 5 Color TFT Display 1 Numeric Keyboard with LED backlight Wolfson WM9705 AC 97 codec with Touch screen controller 3000mAH 7 4V Li lon battery pack One rechargeable backup battery Dimension 192 5mm L x 91 3mm 1 78mm W x 42 2mm 60 6mm H Weight 560g with Standard Battery Pack OS WinCE NET5 0 Professional Environmental Operation 10 50 C Storage 20 79C Humidity Operation 10 80 IP54Certificated IP64 compliant 1 2m 4ft drop to concrete certificated 1 5m 5ft drop to concrete System no broken 2a a Package OE Content GEO MINIMUM OF E HOURS m Styli di Dual Band Carrying bag with strap Tester Antenna x2 rem DC U Disk Battery Adapter USB Host Cable 2 Accessories 3 Functions Sensitivity Up to 100 dbm Instant Power On Yes Operation Easy Equipment Design Industrial PDA Continuous Operation 4 Hrs Defense IP64 Water Proof Dust Proof Passable with dropping to Concrete Ground from 1 5Meters Package Dual Purpose Holster Usage for Shoulder and Waist Data Output USB USB host Cable Signal Strength Test Yes All Channels Usage of Channel Quantity of Base Station in each Channel Yes Score of Channels Yes Scanning Base Station A B G N in the same time Information of Base Station
6. SSID BSSID RSSI Sorting Channel Selection Base Station Tracing Yes Information of Specified Base Station Yes Roaming Test Report Yes Security s Detecting Yes Clients Status of Specified Base Station Yes Status of Base Station Data Rate 54 48 6 11 1 Mbps Frame Ctl Mgt Data Error retry Rogue AP Detecting Yes Rogue Client Detecting Yes Linking Test Offer the ratio of transition and Revelation of Signal s Strength Aux Tools Free Space Attenuation Power Meter Effective Range Calculation Output Power Translator mW dBm Base Station Detector Network User Detector 4 External Buttons Antenna B for 2 4GHz Antenna A for 5GHz Power Button Scan Button Scan Button Power socket AJ us Host 4a Touch Pen Styli Pen Holder There are 2 Positions for selection Insert the Styli into The holder The Styli 4b Antenna B for 2 4GHz USB Interface Antenna A for 5GHz Power Socket USB Host USB Host Cable USB socket AC LED Signal Battery Status LED Battery Low Other hot keys F1 F4 Reset System F1 F4 Power Reset to Factory Default F2 Back Light Setting Push the button to keep the backlight shining Press one more time to go back to original setting F3 Calibration for Touch Screen Battery Charging Status LED Red Charging Green Charging Completely 5 Starting
7. as well as status of base station and something about the client connecting to this base station If necessary click Connect button the Tester will connect the base station in client mode for further detecting 34 10b Observation of The Selected Base Station information of the base station VVireless Mode Authorization Method Identification Code of Wireless Network Channel Encryption Method Base Station ID Supportive Bandwidth information of Clients The list to connected clients including the MAC address RSSI Packet information Status of Base Station Supporting Standard 11A 11B 11G 11N Status of packet including control management data and warning included retry times Network is supported to be something wrong which having a serious rety About About showing IP address 35 11 Connection Monitor VVireless Data Rate Base Station s RSSI viii t Ping Test Bandwidth The function is designed to proceed online test it not only reveals data rate and signal intensity but also responds the ping reaction of the Tester to base station so that efficiency of base station can be figured out Column Bandwidth reveals the transporting bandwidth between Tester and the base station that is expected to be tested 36 Before connecting to the base station expected to be tested 11a users have to previously complete the setup of basic i l parameters including the relevant par
8. dBm into mW 46 14 Quality Analysis of Wireless Environment Sample Applications Signal Level dBm 100 TN PNE ka Nj Lava ce Export 47 14 IDetecting of the Base Station in the environment Sample Bbo survey Applications bin OEI EE EE NET 60 amp 149 152 153 157 160 151 Cancel All Import MAC SSID SSID IPS jobehsieh 00 18 84 29 20 045 asus 00 17 31 26 99 E4 FON jobehsieh 00 18 242920 09 HTU 00 16 01 FED D link G7004P 00 19 56 0922 164 wictor 00 15 E9 0E 08 0 default OOS CF dr SE Hau O0 16 01 98 0F 6B default 00 0E 2E F6 63 D9 WUB ARLO 00 08 PIB SD Do 2002 BS UE Wa LE 00 18 F3 7A 9E E5 INTERNET 48 14 IDetecting of the illegal base station Sample EE Applications i i identity met BU I E J Ba o Deniali of Service LJ one I a dt esa Non Compliant AP L POS VLAN 49 14 Test of Bridging Sample Applications E AE m m lt w w m Bridge Antenna WiScan Antenna 50 14 Test of Antenna Efficiency Sample Applications Point A Point B Access Point 20 dBm Output p 1 Alteration to the antennas 51 a Notice before starting the Tester 15 0 Charge the battery at least 6 hours before using the Tester which contains 2 Trouble re
9. memory of the U Disk is full some of files should be cleaned out then export the data again DD 15 Trouble Shooting h How to clear up the problem of firmware s upgrading incomplete This is resulted from the insufficient power Please charge the battery with AC adapter and restart the Tester again if it still cannot be booted push F1 F4 to restart once more If it doesn t work still please contact the dealer to send the Tester back to the manufactory NOTICE To our strong suggestion please charge the Tester with AC adapter all the time during the upgrading procedure 96
10. 128 132 136 140 UNITED_STATES 1 11 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 UNITED STATES FC 1 C49 URUGUAY 149 153 157 161 36 40 42 44 48 50 52 56 58 60 64 100 104 108 112 116 120 124 128 132 136 140 149 152 153 157 160 16 1 165 mer Ju pemen fre 0 awe wef 11 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 188 189 190 192 193 194 196 197 UZBEKISTAN 25 9 Channel Survey Select 802 11b g or 802 11a from the bar Default value is b g Signal Level show the signal strength on each channel AP Amount Calculate the total quantities of the detected base station For example number 4 on channel 1 stands for that there are 4 base stations on channel 1 Score According to the signal strength Tester will score the channels to 3 levels Blue one means excellent Green means middle and Red means poor Users may select different Radio Mode in detecting like the current frequency is 802 11b g showed above it might be switched to be 802 11a The default value is B G pattern Select the wanted channel system will lead you to enter the function of selected channel 26 The saved information Chan nel Signal Level Su rvey Channel No Signal Level AP Amount Score 6 7 8 9 10 11 12 B 4 A i IN on N 6 7 8 9 10 11 12 B 100 100 100 100 100 100 100 100 IN 100 0 0 0 6 7 8 9 10 11 12 B dh ME concent Export
11. 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 COCOS ICI 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 Tuono Josa 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 NORWAY ET 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 23 8 R IG 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 Country pr 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 Domain List 5 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 om o mu ml en E E mesm rt 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 24 sm o KT 8 Country CSS CI S S Domain List 6 m w Ea OEO O O 1 m 7 _ wane rie OO UNITED_KINGDOM 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124
12. HILE RW 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 CHINA 149 152 153 157 160 161 165 COLOMBIA 36 40 44 48 52 56 60 64 149 153 157 161 165 20 8 Countr y DENMARK BEM 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 Domain DOMINICAN REPUBLIC 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 List 2 swo e S EGYPT 36 40 44 48 52 56 60 64 ESTONIA 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 Pre GERMANY GREECE GUATEMALA HONDURAS HONG KONG HUNGARY 36 40 44 48 52 56 60 64 21 8 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 Country Domain List 3 36 40 44 48 52 58 60 64 100 104 108 112 116 120 124 128 132 136 140 me fm o 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 KS Jus MEWA fm oo 22 36 40 44 48 52 56 60 64 100 104 108 112 116 120 145 149 153 157 161 165 8 mar Je Country EE E 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 Domain emo List 4 um Josa SD 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
13. ameters of base station Connection the certification method the tested IP address and the Confi gurati on Tester s IP address Certification method Open 1 Share 1 WPA WPA2 Fal WPA PSK WPA PSK2 Encryption method Open gt gt None WEP Share gt gt None WEP WPA gt gt AES TKIP WPA2 gt gt AES TKIP WPA PSK gt gt AES TKIP WPA2 PSK gt gt AES TKIP Golden Key Index Key 1 Key 4 Golden Key Input Certification Method Enable 802 1x EAP Type None TLS TTLS 1 PEAP 31 Certification List Login Name Password 11a IP Reference Setting i Use DHCP Dynamic Host Configuration Protocol nn ion Co lect 2 Use Current IP Address Use fixed IP address for setting Configuration contains IP Network Address Subnet Mask Default Gateway Relevant setup of Ping Base Station s IP address After the connecting is completed the Tester will display real Data Rate and Strength As settings are correct the Tester will immediately show the responses that Tester pings on base stations and the real throughput 38 The steps of roaming test a Select the preferred SSID 12 Attention All APs are requested to have the same SSID Roaming b When a SSID is selected there goes a page that represents the signal Test strength and channel of the base stations receiving the same SSID according to the current location c Based on the mobile location users observe the signal strength of base station t
14. annels O0 1B 11 26 148 De SE Dt BS HE Selected channel a This function is to detect the distributing status of base station in each channel All base stations are listed on the table to reveal their signal strength and other related information b User may filter out unnecessary channels to make the detecting more clear Only informations of wanted channels are listed on the table including SSID BSSID Security and RSSI 30 10 BSS Survey c The Tester is designed to detect any unfriendly base station That is operating in the existed vvireless environments As it is necessary to recognize whether the disallowed base stations exist in the surrounding users may click ImportMAC button to check the file APLIST txt that is exported from U disk Allowed base stations will be showed in yellow and disallowed ones will be in red If APLIST txt is unseen all defaults will be revealed in yellow 31 The saved information BSS List 1 0 Channel Security BSS Su rvey jobehsi 00 18 84 29 20 0A WPA PSK TKIP 00 17 31 26 99 E4 FON jobehsieh 00 18 84 29 20 09 Open None 00 16 01 7F BC DI Open None eric 30218 00 1B 11 26 A8 D6 WLBARGLV2 00 0A 79 B8 8D 35 00 0A 79 B8 8D 35 Open None 11 default 00 50 FC F4 7A 56 Wep Hau 00 16 01 98 0F 6B 11 default 00 0E 2E F6 63 D9 Wep Click the Save button the following information will be stored a BSS Survey Page b Information of all base stations in the surroundings
15. chargeable Li ION batteries One of them is the main battery that supplies Shooting electric power to whole system another is the backup battery that provides necessary electric power for maintaining the data in Flash ROM Both the batteries will charge at the same time while the system is charging When the charging light turn green it means the batteries are finished charging b How to handle the situation of no display as booting and a red light shows up above of screen This might be the problem of starting electric power Please push F1 F4 Power button to restart the system several times until the Tester is booted correctly 52 c How to deal with the problem of LED light above screen turns red 15 This indicates the electric capacity of main battery is in a weak position Please Trouble charge or replace the battery as soon as possible to keep the work normally executed Shooting d How to solve the problem that a blue page shows up while the testing page suddenly disappears as using 0 This is caused by wrong execution of programs Please push F1 F4 button to restart the Tester or execute the step of power off power on e No messages can be found when scanning the base stations 0 This often occurs due to a repeated scanning within a short period It takes 10 seconds for the Tester to make a complete scan but a hurried scan could probably enforce the Tester to continue the next scan without ending previo
16. h contains the file wirelesstester bin to Tester with USB host cable 2 Click Update button in Basic Setting page displayed as the left picture 3 Click Update button 4 After the updating is completed a new page will show up as below 5 Click F1 F4 Power to restart Tester for completing upgrade Copy wirelesstester bin to the root directory of U disk ra Firmware Update 6 A caution as left picture will appear on the screen if U disk is not properly connected or the file wirelesstester bin cannot be found please renew the upgrading 7b Calibration of Touch Screen When you feel the touch screen function is poor or the operation does not match the exact location it should be please recalibrate the screen by using F3 function key to recalibrate again Carefully press and briefly hold stylus on the center of the target Repeat as the target moves around the screen Press the Esc key to cancel 19 ama Jese 8 gra Josa TJ Country Domain O o 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 List 1 ens fi 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 BRAZIL 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165 BRUNEI DARUSSALAM 149 152 153 157 160 161 165 BULGARIA EE 36 40 44 48 52 56 100 104 108 112 116 120 124 128 132 136 140 CANADA 36 40 42 44 48 50 52 56 58 60 64 149 152 153 157 160 161 165 C
17. hes 78 Jiang MA vOpAShes 73 DH 2091 00 1E E3 00137 650 E E Il 1 el ciscol DUB oa 1 58 4 1 i 2091 00 1E E3 00137 650 EI Current RSSI dBm Current RSSI D4 dEr This function assists users to quickly find the base station Entering this page the Tester will list out all base stations users need to select the preferred one and click Searching button to detect The closer the Tester approaches to the preferred base station the hurrier the sound from the Tester will be Please click STOP button to suspend the detecting if need 44 13e Client Finder Client Finder x Client Finder Input Input Client MAC 001302401B69 Client MAC 0013024016569 Result Result Status Status Under BSSID Under BSSID Client FSSI Client FSSI Modulation Modulation Total Packets IA Fadio Mode na Fadio Mode Total Packets q i ll ETTET This function makes users search the target client quickly User have to key in the MAC address of the target client and then click Searching button the Tester will find this target client and reveal the results on the page below including the status the MAC address of base station the signal strength the radio mode the modulation and total packets Please click STOP button to suspend the detecting if need 45 13f mW dBm Converstion mW This function provides an instant conversion of mW into dBm or
18. k the button gt the keyboard will be showed on the screen 14 7 The Setup Page 1_t_ si lt NOTICE gt The storage will be filed as the name of date Please adjust the right time and date before using the Tester at first The setup contains the region WLAN settings and the system settings 1 Region settings Choose the proper area While changing the settings please push both F1 and F4 buttons at the same time to save and start the new setting 2 System settings The page displays battery status the configuration of time date as well as volume and tools for firmware upgrading And firmware upgrade tools picture showed as below 1 The Setup Page Power Properties Battery Power Main battery M Good a sm ar Main batteries Installed on Total time used Remaining power Status of battery Date Time Properties Device Status Date Time Backup battery EL Good July 2008 m MI Hm m am mm am mu PTC ZI Il IE Zia dr SINO I EM 1a i vet 71 Time one GMT 08 00 Taipei Setup for data and time Volume amp Sounds Properties OK x volume Sounds Soft Loud Enable sounds for Events warnings system events applications Notifications alarms reminders Key clicks O Soft Loud O Soft Loud Control of volume and sound 16 ra Firmware Update Steps in upgrading firmware 1 Connect U disk whic
19. o judge whether the connection will be interrupted as removing or not Poor for Roaming Good Good for Roaming 39 13 Auxiliary Tool This function contains 6 auxiliary tools Free Space Loss Power Meter Distance Calculation AP Detector Client Finder mW dBm Conversions oS val id 40 13a Free Space Loss This table offers the calculation of decline in power under different frequency and range 41 13b Output Power Measurement It will cause the damage to the Tester if an attenuator is not used before measuring the output power The tool is designed to measure the real output power of base station to our suggest connect a 20 dB attenuator at least before measuring to avoid the damage to the Tester Reminder A 20dB attenuator is recommended to be connected and used before the measurement is started J Attenuator 42 13c Distance Calculation TX Power TX Power Height of Antenna TX Distance Assign different modulation data rate output povver and antenna gain to calculate the maximum range effective distance between the 2 base stations 43 AP Detector AP Detector 1 3d Please select AP s from the list below Please select API from the list below E MESSE TE MIENIEST AP Detector s s Diablo 00 16 66 4807 CD Diablo 00 16 66 4807 CD dlink Oy savor 66 dlink 00 17 savor EE kul te kul ForliFi D0 18 39F4 231A0C Jiang DMA vo A S
20. us one then a programming error might happen Please restart the Tester by the step of power off power on 53 15 Trouble Shooting f Upgrading is unavailable Possibilities 1 The firmware has not been copied to the root directory of U disk 2 Use other USB Flash Disk instead of the U disk attached by the Tester 3 USB Host cable is broken or connected incorrectly 4 An error happens to the file name The correct file name should be Wirelesstester bin g The files done with the Tester cannot be exported to the U Disk Some possibilities 1 The Disk included in the package should be used in the first place instead of other USB flash disk 2 The USB host cable may be broken or has not been installed properly 3 The U Disk memory is full in order to preserve more space some of the files in the disk should be cleaned and removed after that please try to export the files again 54 15 Trouble Shooting f Upgrading is unavailable Possibilities 1 The firmware has not been copied to the root directory of U disk 2 Use other USB Flash Disk instead of the U disk attached by the Tester 3 USB Host cable is broken or connected incorrectly 4 An error happens to the file name The correct file name should be Wirelesstester bin g Data can not be exported Possibilities 1 Use other USB Flash Disk instead of the U Disk attached by the Tester 2 USB Host Cable is broken or unconnected correctly 3 The
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