WY-8100 OTDR User Manual
Contents
1. CN IN cocco popopopoog DADA r FN ip aco lis AN 9 WY 8100 OTDR User Manual 1310nm 2ps Table Trace Table Figure 6 2 Event list closely relates to measurements When making a new measurement event list will be refreshed When reflection events are saturated the maximum will be shown with gt This indicates that the actual value are larger than the shown value For each event that is displayed in event list following information will be shown Type please refer to 6 5 event analysis for details Number OTDR distribute a serial number for each event Distance give the distance from starting point to the event point by unit meter 1000 feet or mile Loss the loss of each event with dB as unit Reflectivity the reflectivity of each reflection event based on fiber measurement Slope the measured attenuation in each region of fiber with dB as unit loss distance Section the distance between two adjacent events with km as unit 1000 feet or mile Total Loss total loss from starting point to end point including event point loss and continuous fiber loss 20 WY 8100 OTDR User Manual 6 2 Table Operation To show only event list press button F2 to select Table see also Figure 6 2 To show trace and event list press button Fl to select Both see also Figure 6 1 Turn the wheel to see all events 6 3 Event Analysis Each type of events has its own related symbols hi No2. even a bad welding point or crack Generally loss and reflectivity of reflection events will be given When reflection peak reaches maximum value its peak will be flattened because that detector is saturated So its dead zone may increase If threshold value is set once exceed threshold value of reflectivity and connector and this value will be displayed in event list gt Fiber End LM i Fiber End 3 4 Sige ee A J i FS Figure 6 6 e This symbol indicates that there is no longer continuous fiber after the event point The location of the event point indicates total length of entire optical cable 293 2 WY 8100 OTDR User Manual 7 File Management 7 1 File Storage and Edit WY 8100 provides complete document storage and loading functions It can store up to 800 measurement files User can name number and annotate for each trace It can also generate complete statements through PC analysis software Under main interface press button F4 File to enter file management interface as shown in Figure 7 1 1310nm 2s 2009 412 18 B UN CN CN CN CN Figure 7 1 Under file management interface turn the wheel to move cursor to the relevant file or folder and then open it by pressing the wheel 1 Edit Under file management interface press button Fl to select Edit Turn the wheel to select the option in the edit menu Finally push the wheel to run it Gray words indicate that
3. because of connection to other equipment Important Our company does not assume responsibility for damage of equipment accessories and software due to improper usage or unauthorized modifications 12 3 Service and Maintenance Send equipments to us for technical services or maintenance Please contact customer service center technicians will determine whether your equipment need to be tested repaired or calibration 2 If possible please backup your data before send it to us for repair 3 If possible please use original packaging materials to package equipment Please attach a statement or report 34 WY 8100 OTDR User Manual to explain malfunctions and phenomenon 4 Please pay freight and return equipment according to the address service personnel provide 5 After repaired we will return equipment with a maintenance report If the equipment is not within the scope of warranty user should pay the costs noted in maintenance report If within the scope of warranty we will pay the return freight N Note If the return equipment is in full compliance with all indicators after testing all related costs are borne by the user Important 35 WY 8100 OTDR User Manual 13 After sales Service Contact Winyuan Technology Co Ltd Address 8th Floor Red Stone Business Building 218 Chaowang Road Hangzhou China 310012 Http www winyuan com Email sales winyuan com support winyuan com Tel 86 571 88074976 F
4. instrument will not work properly OTDR is engineering equipment When used at the scene it may be failed to connect because of dirt into tie in of fiber accordingly make the instrument not work properly So must pay great attention The correct way is Before fiber is connected to the laser interface its end should be cleaned by ethanol After Alcohol is volatilized the fiber can be connected to instrument When fiber is taken off from instrument the laser interface should be covered with the cap WY 8100 OTDR User Manual 2 2 Electric Safety Information lt The use of electrical equipment will be a serious security threat in the vicinity of flammable gases or fumes In order to avoid electric shock if any part of the appearance of instrument has been damaged do not operate it Only authorized personnel of our company can debug maintain and repair a open live OTDR equipment WY 8100 OTDR User Manual 3 Measurement Preparations and Shortcut Measurement 3 1 Measurement Preparations Before the first use of the OTDR equipment please charge the battery important When using OTDR equipment to measure the operator should ensure that the type of fiber connector consistent with the equipment Otherwise it will lose accuracy of measurement Generally OTDR uses FC PC fiber connector jumper Accordingly operator should prepare measurement pigtails or adapters which match it Usually operator will face two situa
5. seconds to forced off ll WY 8100 OTDR User Manual 3 3 Shortcut Measurement Press button AUTO directly after boot WY 8100 will measure automatically If users need to save results press button FILE directly NOTE after measurement This is the most efficient way for measurement one key to measure one key to store If need to rapidly adjust the measurement parameters press the shortcut key WAVELENGTH directly to change wavelength NOTE value between 1310nm and 1550nm Press the shortcut key DISTANCE directly to change distance value Press the shortcut key PULSE WIDTH directly to change pulse width value See Figure 1 3 If want to measure completely by hand see also Chapter 4 Then Press button TEST to measure NOTE 1310nm 245 2009 12 18 1310nm 40km E Setup M curve M Event MN File Figure 3 1 m WY 8100 OTDR User Manual 4 Instrument Setup If users want to enter measurement setup push button F1 to select Setup see also Figure 4 1 Then push F2 to enter limit setup interface see also Figure 4 2 or push F3 to enter system interface see also Figure 4 3 or push F4 to return 1310nm 24s 2009 RANGE 2km 5km 10km 20km 5ns 10ns 20ns 50ns 40km 80km 160km 100ns 200ns 500ns 1ps 2us Sys 10us SMOOTH Limit A System f Ext Figure 4 1 4 1 Measurement Setup Users can set measurement parameters by themselves in measurement setup menu Measurement paramet
6. the function can not be used currently Paste function can not be used without copying or cutting 24 WY 8100 OTDR User Manual Edit menu has following options gt Mark All Unmark All Only for files not folders Mark unmark all files in the disk or folder selected by cursor Files which are marked can be deleted copied or cut at the same time Mark Unmark Only for files not folders Mark unmark a single file selected by cursor Files which are marked can be deleted copied or cut at the same time Open Enter edit menu select Open and push the wheel or F1 to open the selected file Delete Enter edit menu select Delete and push the wheel or F1 to delete selected files Copy To USB Enter edit menu select Copy To USB and push the wheel or F1 to copy selected files to USB disk directly Copy Enter edit menu select Copy and push the wheel or Fl to copy selected files Cut Enter edit menu select Cut and push the wheel or F1 to cut selected files Paste Enter edit menu select Paste and push the wheel or F1 to paste files that were copied or cut before Exit Quit edit menu 25 WY 8100 OTDR User Manual 1 Shortcut Key Storage Under main interface or file management interface push shortcut store key directly to save current trace quickly The store path is same as last time Its file name number increment plus one 1 Rename Under file management interface press button F2 to selec
7. through character keys finally push the wheel again to determine 14 WY 8100 OTDR User Manual 4 2 2 Splice Limit If select Auto instrument will show events that are in line with splice limit according to default value If users set a value by themselves only events larger than this threshold will be displayed Input method is same as 4 2 1 4 2 3 Slope Limit If select Auto instrument will show events that are in line with slope limit according to default value If users set a value by themselves only events larger than this threshold will be displayed Input method is same as 4 2 1 General system default slope of 1310nm is set as 0 33dB Km slope of 1550nm is set as 0 19dB Km 4 2 4 Reflectivity Limit If select Auto instrument will show events that are in line with reflectivity limit according to default value If users set a value by themselves only events larger than this threshold will be displayed Input method is same as 4 2 1 4 2 5 Fiber End Limit If select Auto instrument will select fiber end event that are in line with fiber end limit according to default value If users set a value by themselves only reflection events larger than this threshold will be selected as fiber end Input method is same as 4 2 1 1310nm 2s Z LIMIT ER END LIMIT GZ Figure 4 2 15 WY 8100 OTDR User Manual 4 3 System Setup On system setup menu turn the wheel to select the option and then push the wheel t
8. 17 5 1 Cursor Move einen 17 5 2 Trace ZOOM tii E Ud 17 5 3 Trace Move iiir Ete Drei edes 18 54 Events Edit sos p Bhai pelos 18 6 Events Analysis 19 6 1 Trace Display and Event List 19 6 2 Table Operation sss 21 6 3 EventAnalysis esses ener 21 7 File Management 24 7 1 File Storage and Edit sss 24 2 Filetfransfer iio osi it eoi eds 26 3 File Printing seco tee ee te 26 8 WY 8100 Maintenan ce eene nnne nnns 27 9 1 Gleanness ineo cd ad e da i ea Rn rada 27 8 2 Laser Interface Maintenance 27 9 Problem and Fault Diagnosis S eere 29 9 1 Instrument Problem sse 29 9 2 Measurement setup prob em sse 30 10 Key Technical Indicators eee 32 11 Standard Confiqurati on eese 33 12 Guarantee 34 12 1 General Information sse 34 12 2 Avoid Responsibility saas senere evne vennen enes 34 12 3 Service and Maintenance sss 34 13 After sales Service Contact 36 WY 8100 OTDR User Manual 1 WY 8100 OTDR Introduction WY 8100 is a portable stable and durable OTDR which aims at testing fiber links 1 1 WY 8100 Characteristic one key press measurement and one key press storage shortcut key design one key press setup smart portable OTDR large colorized LCD screen firm durable shock proof moisture proof large storage capacity maxim
9. 800 item Other Indicators LCD type 4 0 inch TFT colorized LCD laser adapter FC PC interface USB RJ45 battery built in rechargeable Li ion battery charging time lt 4 hours working time gt 10 hours AC DC adapter input AC90 240V 10 dg output DC18V operating temperature 0C 40 C storage temperature 10 C 50 C relative humidity 8096 weight 1 5Kg dimensions mm 247 X 130 X 67mm 239 WY 8100 OTDR User Manual 11 Standard Configuration standard configuration amount OTDR AC DC power adapter charger user manual bag FC adapter Nj il CD 33 WY 8100 OTDR User Manual 12 Guarantee 12 1 General Information WY 8100 products are guaranteed for 18 months since the date they are sold But does not include following gt Built in Li ion battery is not guaranteed gt Laser sender and APD are guaranteed for one year gt If replacing optical connector which is bad because of improper usage we will charge 12 2 Avoid Responsibility gt Any malfunction due to wrong operation without complying with provisions of this manual gt Warranty labels are tear up malfunction because that the shell of equipments are open by non authorized officer of our company gt Malfunction due to the external mechanical force such as liquid soak heat cold fire and so on Our company does not assume responsibility for N damage due to usage and malfunction
10. WY 8100 OTDR User Manual Ver1 00 NOTICE The information contained in this document is provided for the operation of WY 8100 WY 8100 is an Optical Time Domain Reflect meter OTDR which is manufactured by Winyuan Technology Co Ltd The information contained in this manual is subject to change without notice Winyuan shall not be liable for errors contained herein or for incidental or consequential damages resulting from the use of this material This document must not be photocopied reproduced or translated into another language without the written consent of Winyuan If someone need quote the information of this document please give chapter and version for the document Visual Conventions In this document we will use following sign Information concerning the operation of N WY 8100 NOTE Important information concerning the correct operation of the WY 8100 Important Message warning the user of the risk of damaging the instrument or loosing information if the instructions are not respected Attenfion Message warning the user that he could be AN injured if the instructions are not respected Danger Laser Safety WY 8100 contained 1310nm amp 1550nm semi conductor laser it s governed by various safety regulations Class 1 FDA21CFR amp 1040 10 standard Class 3B IEC825 1 EN60825 1 1994 standard Warning labels H INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM PEAK POWER up
11. ax 86 571 88074976 36
12. cting USB to copy data Slave Mode for connecting PC to system upgrade WY 8100 OTDR User Manual 1 4 WY 8100 Screen Display The user interface of WY 8100 is as follow It is customized and easy to use l 1310nm 245 2 Oo 01 2 129 0 132 0 307 2 13 0 584 5 Csen E cove E Evt ee Main Interface Figure 1 1 Title Bar Main Display Frame Scale Column Note Column Software Button Area MR D pars WY 8100 OTDR User Manual 1 5 WY 8100 Power System WY 8100 use following powers AC Adapter Charger connected to the standard power outlet Li ion Battery supply power automatically when disconnected the AC adapter charger charge automatically when connected AC adapter charger Rechargeable Batteries using Li ion Battery with a long continuous power supply capacity on normal condition it can continuous work for more than 10 hours after being fully charged This performance is the best among currently all OTDR products on the market Li ion Battery pack is light safe and reliable It can be charged and discharged more than 300 times with proper use Attention Important Must charge Li ion Battery with the charger that we provide otherwise the battery pack may be damaged In low temperature case the discharge capacity of Li ion battery will deteriorate When use it at low temperatures its time of power supply will be shorter In the limit case it may be less than 30 at room
13. ers comprise wavelength distance range pulse width measure mode and acquisition time The first three parameters can be also set by directly pressing shortcut keys To set measurement parameters turn the wheel to select parameter that you want to change finally press the wheel to determine The selected parameter is shown in red and indicated by arrow 13 WY 8100 OTDR User Manual All gray word options indicate that they can not be selected NOTE Input Acquisition Time Turn the wheel acquisition time is shown as Figure 4 4a Push the wheel to make Attenti background of minute turn green then input minute value through character keys see also Figure 4 4b Push the wheel again to make background of ten second turn green then input ten second value through character keys see also Figure 4 4c Push the wheel again to make background of second turn green then input second value through character keys see also Figure 4 4d Finally push button ESC to finish it Figure 4 4 4 2 Limit Setup 4 2 1 Index Refractive index should be set correctly to ensure the accuracy of instrument range General system default refractive index of 1310nm is set as 1 46600 refractive index of 1550nm is set as 1 46700 To set limit parameters turn the wheel to select parameter that you want to change finally press the wheel to determine The selected parameter is shown in red Select INDEX then push the wheel then input numbers
14. n reflective Event for example welding points Non reflective Event Figure 6 3 This type of event has characteristics of signal level sudden reduction of Rayleigh backscatter There are discontinuous points on downward sloping trace slope This type of events is usually caused by welding points macro or micro bend in fiber If threshold values have been set once the loss of some event exceeds this threshold in value the value will be displayed in event list 2915 WY 8100 OTDR User Manual gt Gain Event for example reverse welding points Figure 6 4 This type of events points out a welding point accompanied with obvious gain phenomenon As a result of two parts of fiber have different characteristics at backscatter joint Event list gives the loss of the event but the value does not represent the actual loss of the point e Only by two way fiber measurement and two way analysis can obtain actual loss of the point gt Reflection Event for example fiber unfixed connector E Y Reflection Event Figure 6 5 The peaks of trace indicate reflection events They form because of sudden interruption of index of 20907 WY 8100 OTDR User Manual refraction Reflection events make a majority of energy that is launched to fiber reflected back to light source If a reflection event has arisen it indicates that there is a connector or mechanical connection at the point
15. o determine To input numbers directly push character keys 1310nm 2ps 2008 12 18 13 37 2009 12H 18H 19 37 182 168 001 223 NAY 192 168 001 002 Figure 4 3 Let brightness value been low to save power Turn up brightness value to make screen brighter with consuming more power Turn the wheel to change Attention brightness value and do not support inputting numbers directly Run automatic modification to up test speed on condition that instrument need to be adjusted because of long time using or in environment that temperature Attention 5 changes dramatically 16 WY 8100 OTDR User Manual 5 Trace Operation To enter trace analysis mode press button F2 to select Curve see also Figure 5 1 1310nm 2us 6096 58 12328 61 6232 04 0 327 2 083 CH Zoom E H Move ext Figure 5 1 5 1 Cursor Move WY 8100 provides a cursor L and a cursor R Press button Fl to switch to left cursor right cursor or double cursor Turn the wheel to move the selected cursor There are parameters below Move single cursor to a certain point and then zoom in to observe the details of trace near by Observe distance loss and slope between two points by double cursor NOTE 5 2 Trace Zoom WY 8100 provides two Zoom modes horizontal and vertical Press button F2 to switch to horizontal zoom or vertical zoom and then turn the wheel to zoom in and out traces Zoom in and out base on the currently ac
16. s set too long Solution set proper distance range according to the actual length of fiber or the length measured through auto measurement mode Problem show incomplete track measurement failure Possible Reason measurement distance range is set too short Solution set measurement distance range greater than or equal to the actual length of fiber 30 WY 8100 OTDR User Manual Problem measurement events are incomplete Possible Reason pulse width is too large Solution select a small pulse width increase measurement time Problem trace noise is too large Possible Reason pulse width is too small not enough time to scan Solution increase measurement time 2 appropriately increase pulse width S8 set smoothing high zx WY 8100 OTDR User Manual 10 Key Technical Indicators Module Specifications wavelength dynamic range event dead altenuation type dead zone nm dB zone m m WY 8100 1310 20 1550 20 30 28 lt 5m lt 25m General Parameters distance range Km 5m 160km pulse width ns 5ns 10p s measurement time user defined smart link with real time measurement function distance accuracy m 0 5m 0 001 Xrange sampling resolution attenuation accuracy 0 01dB dB loss limit dB 0 01dB loss resolution dB 0 001dB sampling resolution m 0 1m sampling points 64000 data storage
17. t Rename And then Input the file name by pushing character keys Finally push the wheel or Fl to save a file to current selected folder with this name 1 Create Dir Under file management interface press button F3 to select Create Dir And then Input the folder name by pushing character keys Finally push the wheel or F1 to create a folder to current selected disk with this name 7 2 File Transfer Insert USB disk into USB interface of WY 8100 Enter file management interface Instrument will identify USB device automatically See also Figure 1 2 Copy files to USB disk through edit menu see also chapter 7 1 1 A folder named WY 8100 will be created automatically in root directory of USB disk AII files will be transferred to this folder 7 3 File Printing Document printing can be carried out by computer analysis software 26 WY 8100 OTDR User Manual 8 WY 8100 Maintenance 8 1 Cleanness Please keep OTDR equipment clean Prevent oil dust and other dirt to pollute the equipment gt On relative humidity gt 90 condition should avoid using WY 8100 Avoid using WY 8100 through the rain or in water Do not use organic solvent to clean the shell of equipment use a dry cloth to do it Please protect surface of equipment avoid scratches 8 2 Laser Interface Maintenance 1 Take off the cap 2 Rotate laser adapter by anti clockwise 27 WY 8100 OTDR User Manual 3 Draw laser adapter and
18. temperature WY 8100 OTDR User Manual 1 6 WY 8100 Upgrade gt Copy the latest upgrade program to the folder card of USB disk gt Insert USB disk into USB Interface of WY 8100 when it is off It will upgrade automatically when boot lt When upgrade automatically do not power off do not unplug USB disk until show tips FPGA upgrade successful lt After upgrading press button F1 to select Setup then press button F3 to select System Turn the wheel to select VERSION then it will show system version info see also Figure 1 2 1310nm 2us 2008 12 18 13 38 a a ps Version Workbench 1 30 Jeu ey ed 1 04 Figure 1 2 WY 8100 OTDR User Manual 2 Security Warnings 2 1 Laser Security Information A Danger Attention The OTDR laser interface and end of pigtail can be in front of people s eyes on no condition Otherwise It may damage vision even blindness OTDR using high power semiconductor laser its high power sufficient to hurt people s eyes so must pay great attention The correct way is that firstly take off the cap of OTDR laser interface on condition of power off then connect fiber and boot OTDR to measure After measurement firstly off OTDR then disconnect fiber finally take off the cap of OTDR laser interface immediately It should be noted that the pigtail which will be connected to OTDR must be clean Forbid connecting fiber whose tie in has grease Otherwise the
19. then clean laser interface with alcohol 4 Insert laser adapter into interface then rotate it by clockwise 28 WY 8100 OTDR User Manual 9 Problem and Fault Diagnosis 9 1 Instrument Problem 1 General Problem gt Problem blank screen or fail to boot Possible Reason battery has exhausted power Solution charging the battery through making AC adapter charger connect to an external power supply gt Problem the screen is almost white or characters are fuzzy after boot Possible Reason brightness settings are not correct Solution enter setup interface to adjust brightness of screen 2 Fiber Connector Problems Measurement traces malfunctions caused by improper fiber connection show as follows gt When measuring trace as shown in Figure 9 1 1550nm 5Ons 04 A 4 212 50 87 0 319 1 06 Setup f cuve f Event File Figure 9 1 Possible Reason D use improper jumper interface 2 connector is dirty 8 connector is aging 29 WY 8100 OTDR User Manual Solution replace jumper clean the connector Q replace the connector gt When measuring trace as shown in Figure 9 2 1550nm SOns 2 14 00 Figure 9 2 Possible Reason 1 unreliable connection 2 connector deviate 3 positioning bolt deviate Solution reconnect Q replace the connector 9 2 Measurement setup problem Problem trace is too short and measurement time is too long Possible Reason measurement distance range i
20. tions One is that measured fiber has been installed and measured side has been installed on the rack through some type of connector In this case user should select FC PC XX XX jumper to connect FC PC side connects OTDR XX XX is the type of measured fiber terminal adapter on the rack such as FC PC FC APC SC PC SC APC and so on The other is that measured fiber is a bare fiber In this case user should use FC PC bare fiber adapter or weld a jumper by themselves Before using OTDR to measure must prepare tools for cleaning the port suggest that users prepare anhydrous alcohol absorbent cotton or fiber cleaner Otherwise it will lose measurement accuracy seriously will damage equipment Suggest that users use an additional fiber to reduce dead zone Any OTDR has measurement dead zone If user is very NOIE interested in near end dead zone they can use an additional length of fiber whose length are known to 10 WY 8100 OTDR User Manual eliminate dead zone The length of additional fiber is determined by user s experience When using the measurement results user should avoid this section of fiber 3 2 On off Press button on off immediately release the button after the on off indicator light turn red then OTDR equipment start booting Press button on off once again a dialog box about off will appear Choose off to off equipment and choose cancel to maintain on state On on state condition press button on off for
21. tive cursor 2 17 s WY 8100 OTDR User Manual Press the wheel while zooming trace will automatically return to full screen display status NOTE 5 3 Trace Move WY 8100 provides two trace move mode horizontal and vertical To move trace press button F3 to switch to horizontal move or vertical move and the turn the wheel to move trace according to current zoom grade 5 4 Events Edit WY 8100 provides events editing features see also Figure 5 2 13 43 6096 56 12328 61 6232 04 0 32 2 083 Add Evt Jf DEINE SOIT NNER Figure 5 2 Add Events Add a event on position where the selected cursor is default left cursor when double cursor Select event type and then press the wheel to determine Non reflective Event Gain Event Reflection Event Fiber End Delete Events Delete the event that is nearest to selected cursor 18 WY 8100 OTDR User Manual 6 Events Analysis To enter event analysis mode press button F3 to select Event see also Figure 6 1 After measuring directly turn the wheel to switch among events Press the wheel to see info of each event press the wheel again to return NOTE 6 1 Trace Display and Event List Instrument will show analysis results both in traces and event list after measuring The events which are displayed in event list are also shown on traces with number mark 1310nm 2ps 2 091 0 132 5 206 0 081 12 446 16 723 20 874 22 865 24 008 Both Figure 6 1
22. to 500mW WAVELENGTH 400nm to 1600nm CLASS Ill b LASER PRODUCT Warranty We guaranteed to keep WY 8100 in 12 months warranty period but it didn t contain any of following items 1 Any malfunction arose by user s incorrectness operation if the user disobeys the rules of this document Open the shell without Winyuan s permission 3 Any malfunction arose by outside force dipping in water high temperature low temperature fire and so on 4 Batteries 5 The warranty period of lasers and APD is 12 months IH Contents 1 WY 8100 OTDR Introduction 1 1 1 WY 8100 Characteristic sss 1 1 2 WY 8100 Button Features sss 3 1 3 WY 8100 Interface Pescription 4 1 4 WY 8100 Screen Display sss 5 1 5 WY 8100 Power System sss 6 1 6 WY 8100 Upgrade sse 7 2 Security Va S urere Laconica ite teed reae see unicus 8 2 1 Laser Security Information cc eee 8 22 Electric Safety Information cesser 9 3 Measurement Preparations and Shortcut Measurement 10 3 1 Measurement Preparations ssssseee 10 3 2 Oni 0ff essi 11 3 8 Shortcut Measurement sss 12 4 Instrument Setup 4 eeeeeeeseseseeeeeee enne nennt nn nennt 13 41 Measurement Setup sse 13 42 Limit Setup ooo 14 4 3 System Setup ose ad aed tee s 16 5 Trace Operation cce eieeer Lecce
23. um store up to 800 measurement files built lithium batteries more than 10 hours working hours support USB and network interface more convenient to manage files Vv Vv VVVV V Front panel WY 8100 OTDR User Manual Fiber Interface Function Buttons On off Lignt Shortcut Keys Button On off Auto Measurement Wheel Manual Measurement Character Keys WY 8100 OTDR User Manual 1 2 WY 8100 Button Features gt Button On off press to boot once again press to close gt Shortcut Key including file storage wavelength setup range setup and pulse width setup Auto Measurement instrument will select the optimal settings automatically for measurement Manual Measurement to setup by hand for measurement gt Character Keys e ESC exit current state e Character Keys to input letters and numbers gt Function Buttons including Fl F2 F3 F4 they correspond to the software buttons Enter turn the wheel to select direction press the wheel to enter WY 8100 OTDR User Manual 1 3 WY 8100 Interface Description 1 Lu d 3 DC 19V 3 42A BDO e 1 Charge Indicator Light the red light indicate battery is charging and the green light indicate battery has been filled 2 Charging Interface used to connect the charger for the built in rechargeable battery 3 RJ45 Interface used to access the Internet for remote control and data sharing 4 USB Interface Master Mode for conne
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