Instruction/ maintenance manual of the product 4020 Patton electronic
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SmartLink 4020 Analog V oIP SoHo Router User Manual Sales Office: +1 (301) 97 5-1000 Techni cal Su ppor t: +1 (301) 97 5-1007 E-mail: suppor t@patton.com WWW: www .patton.com Part Number: 07MSL4020-GS, Rev . G Revised : June 21, 2012 Impor tant This is a Class B device and is intended for use in a light industrial or residential environment.
Patton Electronics Company , Inc. 7622 Ric kenbacker Drive Gaithersburg , MD 20879 USA Tel: +1 (301 ) 975- 1000 Fax: +1 ( 301) 8 69-929 3 Support: +1 (30 1) 975 -1007 Web: www.
3 Summar y T able of Contents 1 General information ..... ...... ..... ...... ...... ......... ...... ..... ...... ......... ...... ...... ..... ...... ......... ...... ..... ...... ......... ...... ...... . 20 2 SmartLink installation ........... ...
4 T able of Contents Summary Table of Contents ...... ...... ...... ...... ........ ...... ...... ...... ...... ........ ...... ...... ...... ......... ..... ...... ...... ...... ......... 3 Table of Contents .. ...... ......... ..... ...... ...... ..
5 SmartLink 4020 User Man ual Table of Con tents Enabl ed .................. ........... ........... ................. ............ ........... ........... ................. ........... ....... ..... ........... .......30 Service ......... ...........
6 SmartLink 4020 User Man ual Table of Con tents ToS/DiffServ ................ ................. ........... ............ ........... ................. ........... ............ ........... ........... ................. .......36 Saving your wor k ....
7 SmartLink 4020 User Man ual Table of Con tents Gatew ay Sett ings ..................... ........... ................. ........... ............ ........... ........... ................. ........... .... .........49 Dial Plan ... ............ ........
8 SmartLink 4020 User Man ual Table of Con tents Call Transf er ................ ........... ........... ................. ........... ............ ........... ........... ................. ......... ........ .......56 Dialing by IP Address .. .......
9 SmartLink 4020 User Man ual Table of Con tents Saving your wor k ......... ................. ........... ........... ............ ........... ................. ........... ........... ............ .... ............. . 65 Con figurat ion .......... .
10 SmartLink 4020 User Man ual Table of Con tents Call Waiting ( call alte rnativ e) ............. ........... ................. ............ ........... ........... ................. ........... ............ . 73 Call Conferenc e ................ ...
11 SmartLink 4020 User Man ual Table of Con tents Auto Upgrade URL ..... ........... ................. ........... ............ ........... ................. ........... ........... ............ ........ ... .......78 Saving your wor k ......... .....
12 SmartLink 4020 User Man ual Table of Con tents D Call in g Fea ture s .. ...... ...... ........ ...... ...... ...... ...... ........ ...... ...... ...... ...... ........ ...... ...... ...... ........ ...... ...... .. .... ...... .... 96 Introd ucti on .
13 List of Fi gures 1 SmartLink 4020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 SmartLink 4020 insta llation diagr am . . . . . . . . . . . . . .
14 SmartLink 4020 Getting Started Guide List o f Fig ure s 48 Ring Setting sec tion of Locali zation windo w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 49 FXS Port Polari ty section of Localizati on window .
15 List of T ables 1 General conven tions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2 Bellcore sta ndard ring c adence pattern s . . . . . . . . . . . .
16 About this guide This guid e desc ribes us ing the Smar tLink 4020 r outer . Audien ce This guid e is intended f or the followi ng user s: • Opera tors • Installers • Maintenance technicians .
17 SmartLink 4020 User Man ual About this guide Precau tions Notes, ca utions, and warnings, which have t he foll owing meani ngs, are us ed thro ughout th is guide to help yo u become aware of potential problems. Warnin gs are intended to prev ent safety hazards that co uld result in per- sona l inju ry.
18 SmartLink 4020 User Man ual About this guide Safety when working wi th electricity General observat ions • Clean the cas e with a soft slightly moist ant i-static cloth • Place the unit on a fl.
19 SmartLink 4020 User Man ual About this guide T ypographic al conventions used in this document This section de scribes th e typographical con ventions and terms use d in this guide. Gener al conven tions The procedures d escribed in this manual use the following text conventions: Table 1.
20 Chapter 1 General i nformation Chapter cont ents SmartLink 4020 over view .................... ........... ........... ............ ................
SmartLink 4020 overvi ew 21 SmartLink 4020 User Man ual 1 • Gen eral info rmation Smar tLink 4020 over view The Sma rtLi nk VoI P SoHo Rou ter (s ee fi gure 1 ) provides transparent connectivity for analog phone s and faxes to the world of Internet voice.
22 Chapter 2 Smar tLink installation Chapter cont ents Installing t he router ............ ........... ................. ........... ............ .....
Installing the router 23 SmartLink 4020 User Man ual 2 • SmartLink installation Installing the r outer Do the following: Figure 2. SmartLink 4020 installation diagram Note For proper ventilation, leave at least 2 inc hes (5 cm) of clearance at the sides, front, and rear of the unit.
Installing the router 24 SmartLink 4020 User Man ual 2 • SmartLink installation Note The Sm artLink has automatic MD X (auto-cros sover) dete ction and configu- ration on all Etherne t ports. An y of the ports can be connect ed to a host or hub/switch with a straight-through wired cable.
25 Chapter 3 Home Chapter cont ents System info rmatio n ............ ........... ........... ................. ............ ........... ........... ............ ................ ............ ........... .......26 System Uptime . ................. ...
System informati on 26 SmartLink 4020 User Man ual 3 • Home System information Figure 4. SmartLink VoIP down load and configuration Home page System Uptime Shows how long the SmartL ink 4020 has been operati ng since th e last time it was reloaded (ei ther by powering the unit off and then on again, or by selecting System > Reload ).
System Status 27 SmartLink 4020 User Man ual 3 • Home Applicati on V e rsion The SmartLin k firmware version numb er. Config Date The date of the configuration file that was downloaded from an auto-upgrade server. Security Indicates that the Smar tLink web interface uti lity has bee n secured with a pa ssword.
28 Chapter 4 Network—W AN Chapter cont ents Status .......... ............ ........... ........... ........... ................. ............ ........... ........... ................. ........... ............ ........... .......30 Interf ace Stat us .
29 SmartLink 4020 User Man ual 4 • Ne twor k—WAN WAN Priori ty Tag (IEEE 80 2.1q) ........... ........... ........... ................. ............ ........... ........... ........... .............35 Saving your wor k ......... ................. .
Status 30 SmartLink 4020 User Man ual 4 • Ne twor k—WAN Status Shows the status of key WAN netwo rk settings as confi gured under WA N settings Inter face Status Figure 5. Internet Status window Enabled Yes indicates the WAN interface is enabled and ready to be used.
Setting s 31 SmartLink 4020 User Man ual 4 • Ne twor k—WAN MAC addre ss The MAC address of the W AN Ethernet i nterface in the Sm artLink. Subnet Mask The subn et mask is 32-bi t number that fi lters a destinati o n IP address to determine to w hich subnet it belongs.
Setting s 32 SmartLink 4020 User Man ual 4 • Ne twor k—WAN Internet Configur ation Figure 6. Internet Configuration section of the S ettings window Device Operating Mo de Choo se Router or Bridged depending on your operation. Obtain WAN con figuration dynamically Select this option if appr opriate.
Setting s 33 SmartLink 4020 User Man ual 4 • Ne twor k—WAN W AN PPPoE Co nfigu ratio n Figure 7. WAN PPPoE Co nfiguration section o f the Settings window Enable PPPoE Select Yes to enable PPPoE or No to disable PPPoE. Authentication Enter the us ername and pa ssword pro vided by yo ur ISP.
Setting s 34 SmartLink 4020 User Man ual 4 • Ne twor k—WAN found usin g a fixed DNS name when the IP address changes. With Dynami c DNS cable mo dem and ADSL users can be fo und on the Internet u sing a DNS name. The DNS s erver used fo r registration i s operated by Dynamic Networ k Services, Inc.
Setting s 35 SmartLink 4020 User Man ual 4 • Ne twor k—WAN MTU Size Figure 10. MTU section of the Settings window MTU (Maximum Trans fer Unit) Size The size l imit (byt es) of th e pack et fo r all outg oing packe ts.
QoS (Quality of Se rvice) 36 SmartLink 4020 User Man ual 4 • Ne twor k—WAN QoS (Quality of Service) Figure 12. QoS window Enable V o ice QoS Enable or d isable th e voice q uality of service function. When QoS is enabl ed, the SmartLink 4020 w ill prior i- tize and rate-lim it the introduction of voice and data traff ic onto the WAN inte rface.
ToS/DiffServ 37 SmartLink 4020 User Man ual 4 • Ne twor k—WAN Saving y our wo rk When you are finished configuring ToS/Diff Serv settings, click the Save ToS/DiffServ Settings button t o save the changes.
38 Chapter 5 Network—LAN Chapter cont ents Settings .............. ........... ............ ........... ........... ................. ........... ............ ........... ................. ........... ........... ............ . 39 Network Sett ings .
Setting s 39 SmartLink 4020 User Man ual 5 • Net work—L AN Settings Figure 14. Network Settings window Network Settings Enter the IP add ress and subnet mask of your LAN netw ork. Saving y our wo rk When you are fi nished, click the Save Settings button to save the c hanges.
DHCP 40 SmartLink 4020 User Man ual 5 • Net work—L AN Ser ver Settings Select Yes to e nab le o r No disable DHCP. When enabled, the SmartLink 4020 will act as a DHCP server to devic es connec ted to th e SmartLi nk 4020 LA N port.
Rout ing 41 SmartLink 4020 User Man ual 5 • Net work—L AN Routing Thes e conf igurat ion p aramet ers are f or th e inte rnal route r. Note These p arameters onl y apply when th e Device Operating Mode is se t to Router (see sect ion “Device Op erating Mode” on page 32).
Port Forwarding 42 SmartLink 4020 User Man ual 5 • Net work—L AN P ort F o rw a rd i ng Figure 19. Port Forwarding Configuratio n window Re s erv ed P ort s Specif ies rese rved p orts that cannot be forw arded to th e LAN.
IP Filtering 43 SmartLink 4020 User Man ual 5 • Net work—L AN Filter IP Range A computer having an IP address that falls within th e spec ifie d IP ad dres s range will not be al lowe d to access the W AN interface.
44 Chapter 6 Te l e p h o n y Chapter cont ents VoIP Stat us ....... ................. ........... ........... ............ ........... ................. ........... ............ ........... ................. ........... .......47 VoIP Server Registrat ion Status .
45 SmartLink 4020 User Man ual 6 • Telepho ny Audio/CODEC Co nfiguratio n ............ ........... ................. ........... ............ ........... ........... ................. ........... ............ . 5 3 CODECS ......... ........... .....
46 SmartLink 4020 User Man ual 6 • Telepho ny Outgoing Call Block ............... ........... ............ ........... ................. ........... ............ ........... ........... ............... ........ .59 Digit Pa ttern .... ............ .
VoIP Status 47 SmartLink 4020 User Man ual 6 • Telepho ny Vo I P S t a t u s Figure 21. VoIP S tatus window V oIP Se rver Registration Status Curren t Server Shows the current VoIP ser ver that has been pre-d efi ned or has be en disco vered usin g DNS serv ice reco rds (DNS-S RV).
SIP 48 SmartLink 4020 User Man ual 6 • Telepho ny • No Reg is trati on —The SmartLink 40 20 is not attemp ting to regi ster with th e SIP server be cause “Se nd Registrati on Request” is not chec ked on SIP seve r setting screen.
SIP 49 SmartLink 4020 User Man ual 6 • Telepho ny SIP Conf iguration Figure 22. SIP Configuration section of the SIP w indow SIP Server Settings The SmartLi nk 4020 will automatic ally attempt t o l.
SIP 50 SmartLink 4020 User Man ual 6 • Telepho ny SIP Exten sions Figure 24. SIP Extensions section of the SIP window Support PRACK method Sele ct to en able SI P provi sion al ackn owledg eme nt (PRAC K) su pport as defin ed in RF C 3262 . Encode SIP URI with user parameter Select t o encode us er=phone par ameter i n SIP URI.
SIP 51 SmartLink 4020 User Man ual 6 • Telepho ny Figure 26. VoIP VLAN Co nfiguration section of the S IP window SIP Para meters Figure 27. SIP Parameters section o f the SIP window Hook Flash MIME Ty pe This is the MIME Type to be used in a SIP INFO message used to signal hook flash event.
SIP 52 SmartLink 4020 User Man ual 6 • Telepho ny NA T T r aversal Figure 28. NAT Traversal section of the S IP window Outbound Pro xy IP Type the fully qu alified doma in name for the ou tbound prox y server, or typ e the IP address p rovided by you r serv ice provid er.
Audio/CO DEC Confi guratio n 53 SmartLink 4020 User Man ual 6 • Telepho ny Audio/ CODEC Co nfi guratio n Figure 29. Audio/CODEC Configuration windo w CODECS • Sel ec ted column: Che ck the code cs that are accept able to us e • Silence Suppression column : Speci fies whethe r silen ce suppre ssion shoul d be turne d on in the SmartLink 4020.
Phone 1 & Phone 2 54 SmartLink 4020 User Man ual 6 • Telepho ny F AX without T . 38 (Use G.711 fax) When checked, T.38 is di sabled and the SL 4020 will no t attempt T.38 s ession negotiatio n for fax transmis- sions initi ated by the origin ator of the fax.
Phone 1 & Phone 2 55 SmartLink 4020 User Man ual 6 • Telepho ny User Information Figure 30. Us er Information sectio n of Phone 1 or Phone 2 window Phone Number Enter the tele phone number o r the user part of the SIP registratio n.
Phone 1 & Phone 2 56 SmartLink 4020 User Man ual 6 • Telepho ny Figure 31. Supplementary Service Settings section of P hone 1 or Phone 2 window Call Forward All Enable c all forw ard all se rvice—All recei ved calls will be fo rwarde d to t he de stinati on speci fie d under th e call forwarding setting s.
Phone 1 & Phone 2 57 SmartLink 4020 User Man ual 6 • Telepho ny Call Forward o n Busy Enable c all forward on busy ser vice. Conditional Call Forward Enable c all forward selecti ve servi ce.
Phone 1 & Phone 2 58 SmartLink 4020 User Man ual 6 • Telepho ny Warm L in e Nu mber Input the number for W arm Line function— The warm line function prov ides a delay period after the tele- phone goes o ff-hook for the user to d ial a number different than that specifie d for the warm line.
Phone 1 & Phone 2 59 SmartLink 4020 User Man ual 6 • Telepho ny Inco min g Call Block Figure 35. Incoming Call Bl ock section of Phone 1 or Phone 2 window Block Caller ID Specify a C aller ID fo r call block. Outgoing Call Block Outgoing c all block allow s for the blocking of an outb ound call based on the digit patter n dialed.
Speed Dial 60 SmartLink 4020 User Man ual 6 • Telepho ny Speed Dial Figure 38. Speed Dial window Line 1 Sp eed Dial Settings Speed Dial Serv Enable Speed Dial Service. Speed D ial 1–8 Phon e Number /IP Dialing Target 1–8 pho ne number (or URL) assigned to speed dial.
61 Chapter 7 System Chapter cont ents Set Security Password ............... ........... ........... ........... ............ ................. ........... ........... ........... ................. ............ . 64 Web Page Pro tect ......... ........
62 SmartLink 4020 User Man ual 7 • System Speed Dialing ... ................. ........... ............ ........... ........... ................. ............ ........... ........... .......... ....... .......72 Income Caller ID .................... .
63 SmartLink 4020 User Man ual 7 • System Writ e Commun ity ....... ........... ........... ........... ................. ............ ........... ........... ........... ................. ....... ..... . 77 SNMP System Configur ation . ............
Set Secu rity Password 64 SmartLink 4020 User Man ual 7 • System Set Secu rity Pass word Figure 39. Set S ecurity Password window Two levels o f system co nfiguration are available: user leve l and system l evel. Acce ss to each l evel is pass word con trolle d.
Conf igurati on 65 SmartLink 4020 User Man ual 7 • System Confirm new pa ssword Re-enter the pas sword for confi rmation. Saving y our wo rk When yo u are fin ished c onfiguri ng securi ty settin gs, click th e Save Settings button to s ave the changes.
Conf igurati on 66 SmartLink 4020 User Man ual 7 • System Enable Debu g Enable or dis able Syst em Debug. Debug Server The deb ug server IP addr ess and port . This speci fies the se rver for logging SmartLi nk 4020 debug informati on. Debug info rmation can b e sent to a s yslog s erver.
Service Access 67 SmartLink 4020 User Man ual 7 • System Ser vice Access Figure 41. Serv ice Access window Enable HTTP When checked access to the web con figuration interface (HTTP) of the Smart Link 4020 through the W AN inte rface po rt is ena bled.
Loca liza tion 68 SmartLink 4020 User Man ual 7 • System Call Progress T ones The dialtone, confirmation, busy, ringback and offhook warning call prog ress tones that are played to the handset can b.
Loca liza tion 69 SmartLink 4020 User Man ual 7 • System Busy Tone Played when a 486 RSC is received for an outbound call. Ri ng Bac k To ne Played for an outb ound call when th e far end is rin ging. Off Hook Warning Played when th e subscriber d oes not place the handset on the cradl e properly.
Loca liza tion 70 SmartLink 4020 User Man ual 7 • System Timeval ::= time in milliseconds Repeatval ::= # of cycles to repeat Tonename ::= "RING_0" | "RING_1" | "RING_2".
Loca liza tion 71 SmartLink 4020 User Man ual 7 • System Figure 44. Supplementary Service Keys section of Localization Window Call forward All Enables or disabl es t he unco nditional call forw arding feature. Call forwar d on Busy Enables or disabl es th e call forwarding on busy fe ature.
Loca liza tion 72 SmartLink 4020 User Man ual 7 • System Speed Dialing Enables or disables the speed dial ing feature. Income Ca ller ID Enables or disables the display of incoming caller ID feature. Self Caller ID Block Enable s or disabl es th e blo cking of tran smiss ion of call er ID f eatu re for outgoin g call s.
Loca liza tion 73 SmartLink 4020 User Man ual 7 • System *712301 9751000 and on-hook the p hone. When 2 is p ressed on the tel ephone key pad, 301975 1000 wi ll be called . Call Forward All Configures the number to unconditionally forward al l ca lls to.
Loca liza tion 74 SmartLink 4020 User Man ual 7 • System tone after enter ing the calling prefix key. Before using, call forward busy must be enabled using the activate sequen ce defi ned in th e suppl ementar y servic e table. Exampl e: *743019 751000 and on-hook the pho ne.
Loca liza tion 75 SmartLink 4020 User Man ual 7 • System Interdigit Timer The numb er of s econ ds th e Sma rtLin k 40 20 wil l wait for the c all er to inp ut a sub sequ ent di gi t of the d iale d number.
SNMP Config uratio n 76 SmartLink 4020 User Man ual 7 • System Ring Freque ncy Specify the r ing tone frequency. Ring Vo ltage Specify the r ing tone voltage. FXS Port Po lari ty Confi gur ati on Figure 49. FXS Port Polarity section of Localization window Idle Polarity Polari ty be fore c all conn ected.
Auto Upgrade 77 SmartLink 4020 User Man ual 7 • System SNMP Co mmunity Co nfiguratio n Read Community The community name use d by the SNMP manager when reading SNMP data items from a client MIB. The defau lt value is public . Write Comm unity The community name use d by the SNMP manager when sett ing SNMP data ite ms in a cl ient’s MIB.
Manual Upgra de 78 SmartLink 4020 User Man ual 7 • System Ena ble Au to U pgrad e Enable or disab le auto upgrade —If enabled, the Smart Link 4020 will automat ically check the upgr ade server on a p eriodic basis f or new sy stem fi rmware a nd softw are up on relo ad or p ower cy cle.
Reloa d 79 SmartLink 4020 User Man ual 7 • System Relo ad Figure 53. Reload window Chose the Relo ad and execu te Main A pplication op tion, for executio n of the main applic ation which you hav e conf igure, o nce you reload th e system .
80 Chapter 8 Documentation Chapter cont ents Introd ucti on ............................. ........... ........... ........... ............ ............
Introduction 81 SmartLink 4020 User Man ual 8 • Documentatio n Intr oduction Clicking the Documentation link (see figur e 54 ) connects t o the Patton website to d isplay the most c urrent ver- sion o f the SmartLink 4020 Use r Manual in portable d ocument form at (PDF).
82 Chapter 9 Logout Chapter cont ents Introd ucti on ............................. ........... ........... ........... ............ ................. .
Introduction 83 SmartLink 4020 User Man ual 9 • Logo ut Intr oduction Clicking Logout (see fig ure 55 ) di splays Logou t—Sure to Logout? . If yo u want to exit fr om the Smar tLink m anag emen t utilit y, clic k the Lo gout button (see figur e 55 ).
Introduction 84 SmartLink 4020 User Man ual 9 • Logo ut.
85 Chapter 10 Contacting Patton for assistance Chapter cont ents Introd ucti on ............................. ........... ........... ........... ............ ................. ........... ........... ........... ............ ........... .......86 Contact inf ormati on .
Introduction 86 SmartLink 4020 User Man ual 10 • Contacting Patton for assistance Intr oduction This chapte r contains t he foll owing info rmation: • “Contact information” —des cribes how to contac t Patton technical sup port for assistance.
Warranty Service and Returned Merch andise Authorizations (RMAs) 87 SmartLink 4020 User Man ual 10 • Contacting Patton for assistance Out-of-war ranty serv ice Patton servic es what we sell, no matter how you ac quired it, inc luding malfunctioning p roducts that are no longer under warranty.
88 Appendix A Compliance information Chapter cont ents Comp liance .................. ................. ........... ............ ........... ........... ................. ............ ........... ........... ................. .......89 EMC Compli ance: .
Compl iance 89 SmartLink 4020 User Man ual A • Compliance information Complia nce EMC C ompli an ce: • FCC Pa rt 1 5, Cl ass B • EN55022, Clas s B • EN55024 Safety Compliance • UL 60950-1/CSA C 22.
90 Appendix B Specifi cations Chapter cont ents Voice Connect ivi ty ................... ........... ........... ........... ................. ............ ........... ........... ........... ................. ............ . 91 Connectivity ..........
Voice Connectivi ty 91 SmartLink 4020 User Man ual B • Specifications V oice Connectivity 2-wire Loopstar t, RJ-11/12 Short haul lo op 1.1 km @3REN Caller-ID Type-1 FSK and ITU V.23/Bell 202 generation Connectivity 2 10/100 Full Duplex/Autose nsing Ethernet RJ-45 V oice Process ing (signalling dependent) SIP MGCP • Packet C able NC S 1.
Voice Service s/Features 92 SmartLink 4020 User Man ual B • Specifications V oice Services/Features Call forw arding Call transf er Call hold Call waiti ng 3-way calling IP Serv ices IPv4 route r; R.
93 Appendix C Dial plans Chapter cont ents Introd ucti on ............................. ........... ........... ........... ............ ................. ........... ........... ........... ............ ........... .......94 Samp le Dia l Plan s ....
Introduction 94 SmartLink 4020 User Man ual C • D ial pla ns Intr oduction The MGCP and SIP code will allow pr ovis ioning (via we b browser) of the dial plan.
Sample Dial Plans 95 SmartLink 4020 User Man ual C • D ial pla ns • 2-digit star services (e.g. 69) • 10-digit l ong dist ance prefi xed by 91 • International number s starting wi th 9011+variabl e number of digi ts. Dial plan for this is: (0T|00T|[3-5]xxx|8xxxxxxx|*xx|91xxxxxxxxxx|9011x.
96 Appendix D Calling Features Chapter cont ents Introd ucti on ............................. ........... ........... ........... ............ ........
Introduction 97 SmartLink 4020 User Man ual D • C alling Featur es Intr oduction The SmartLink 4020 family s upports advanced calli ng features that can be turned on and off f rom phones attached to the Smar tLink 4020 (see tabl e 3 ). Note Your telephony se rvice prov ider must enab le your ser vice for these c alling features to work.
An important point after buying a device Patton electronic 4020 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Patton electronic 4020 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Patton electronic 4020 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Patton electronic 4020 you will learn all the available features of the product, as well as information on its operation. The information that you get Patton electronic 4020 will certainly help you make a decision on the purchase.
If you already are a holder of Patton electronic 4020, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Patton electronic 4020.
However, one of the most important roles played by the user manual is to help in solving problems with Patton electronic 4020. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Patton electronic 4020 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
