Instruction/ maintenance manual of the product SVR-940/450 Samsung
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Digital Video Recorder User’ s Manual 1.
Digital Video Recorder User’ s Manual 2 Thank you for purchasing the SVR-940/ 450. This is a user manual fo r SVR -940/450. Bef ore product installa tion and operation, please become thorou ghly familia r with this u ser manual a nd other man uals refe renced by this manual .
Digital Video Recorder User’ s Manual 3 T abl e of c ont ent s Intro duction ··········· ············· ············ ············· ·········.
Digital Video Recorder User’ s Manual 4 T abl e of c ont ent s 5.3 Menu Screen Setu p ········· ············ ············· ············ ········.
Digital Video Recorder User’ s Manual 5 Cha pter 1. Saf ety Ca ution s Symbo ls displa yed fo r each ite m • Bef ore install ation - Verify the supplied voltage (A C100V~AC240 V ) before c onnecting the po wer supply . - Make sur e the powe r supply is off before in stallation.
Digital Video Recorder User’ s Manual 6 Cha pter 1. Saf ety Ca ution s • During use - Make sure the produ c t is not exposed to shocks o r shaking w hen using the produ c t or during moving. - Do not move the prod uc t while it is in operat ion, and apply strong shoc ks to the product or throw the pr oduct.
Digital Video Recorder User’ s Manual 7 The Samsung SVR-94 0/SVR-450 is a digital video recor der designed to be used as a secu rity devic e in small shop s, conv enience stores , banks, A TMs, etc. It is a stand-alone device, securing syste m performance and safety .
Digital Video Recorder User’ s Manual 8 The built-in HDD is the basic memory supply . Using a USB memory stick or external CD-RW (guara nteed for the reco mmended models only), users can cop y images from the internal HDD . . Basic Memory Supp ly : Built-in HD D .
Digital Video Recorder User’ s Manual 9 2.2 Conten ts The SVR-940/SVR- 450 package con tains the main unit and its compo nents as specified be- low . When you purcha se the unit , pl ease check that the c omponents specifie d belo w ar e include d.
Digital Video Recorder User’ s Manual 10 Number LED Nam e Descripti on 1 Lights up when pow er is applie d to the sy stem 2 Lights up when the s ystem is ba ck ing up.
Digital Video Recorder User’ s Manual 11 Number Button Name Descripti on 7 Play back position moves 1 f rame forward/ back during Pa use. 8 Pre ss to start and stop manual r ecording 9 Pre ss to sea.
Digital Video Recorder User’ s Manual 12 Rear pa nel of SVR- 450 Rear pa nel of SVR- 940 2.2.2 Rear Conn ec tio n terminals 1. VI DEO IN Camer a Input (NT SC/P AL) 2. AUDI O IN Audi o Input 3. AUDI O OUT Audi o Output 4. VI DEO OUT Comp osite Video Output 5.
Digital Video Recorder User’ s Manual 13 2.2.3 Remote co ntroller 2.3 Specification S ys te m Items SVR-450 S VR-940 Pr ocessor DSP Opera ting syste m (O/S) RT OS Comp ression met hod MPEG-4 Cha pter 2. Summa r y • MENU Butt on to ente r Setup Menu • A UTO F or Auto Se quence • SPO T Button f or Spot ON/O FF (SVR-940.
Digital Video Recorder User’ s Manual 14 Video Con trol Items SVR-450 S VR-940 Input Me thod Comp osite Input 4-Channel Comp osite Input 9-Channel Video Inp ut Leve l 1.0 Vp-p , Compo site Live Screen Disp lay Speed Real ti me display Live Screen NTSC: 720 (W ) _ 48 0 (H) Pix els for th e full scre en.
Digital Video Recorder User’ s Manual 15 Backup Items SVR-450 S VR-940 Digital Backup USB Memo r y Stic k / Built-in CD-RW (DVD) Recor ding HDD Items SVR-450 S VR-940 Maximum Number of Fr ames Sec p.
Digital Video Recorder User’ s Manual 16 N et wo rk E le ctr ic a l Sp ec ifi ca t io n Items SVR-450 S VR-940 General Live Screen: Monitoring Play back Screen : Search Menu Sett ing: Menu set ting.
Digital Video Recorder User’ s Manual 17 Cha pter 2. Summa r y User Enviro nment Exterior Con nection T erminal s Acc essories Items SVR-450 S VR-940 Opera ting T emperatur e Stor age T emperatur e .
Digital Video Recorder User’ s Manual 18 SVR-45 0 SVR-94 0 3.1 How to connect all parts The connection lay outs f or the SVR-450/9 40 with the monitor , C CT V , and external devices are describe d as below .
Digital Video Recorder User’ s Manual 19 3.2 Detailed connection The S VR-450 and 95 0 can accom modate up t o 4 or 9 ca meras respe c tiv ely . Conn ec t t he BNC termin al of each ca mera to th e CAMERA IN t erminal of th e unit. The SVR-450/95 0 can save audio informatio n.
Digital Video Recorder User’ s Manual 20 Please connect an RCA audio cable to the A UDIO OUTPUT connector (such as monitor with built-i n speakers). 3.2.3 Monitor SVR-94 0 Conn ec t t he VID EO OUT termi nal of the s ystem and t he BNC termi nal of the m onitor , using the BNC cable, in ord er to displ ay video d ata to the main monito r.
Digital Video Recorder User’ s Manual 21 SVR-94 0 SVR-45 0 (4-SENDOR IN) SVR-94 0 (9-SENDOR IN) • The V ideo outpu t and the VGA output cannot be used at the same time and t he system can sen d only on e video out at t he same t ime. Please refer to Ch apter 4.
Digital Video Recorder User’ s Manual 22 SVR-45 0 (1-ALARM O UT ) SVR-94 0 (4-ALARM O UT ) External Contro l Device T erminal ( RS-422/485) This te rminal is connected to exte rnal control de vices. T he internal JP2 term ination termin al turns th e terminat or resistan ce of the R S-422/485 c ommunication device on and off .
Digital Video Recorder User’ s Manual 23 SVR-94 0 No . Description Classi cation RS-422 R S-485 1 TX+(+T ransmit Data) - 2 TX-(- T ransmit Da ta) - 3 RX+(+Rec eive Dat a) Data+ 4 RX-(- Re ceive Da ta) Data- LAN C onnection (E thernet 10/ 100 Base-T ) This por t is to connect t o network.
Digital Video Recorder User’ s Manual 24 Monito r Output ( VGA ) This is the output connector f or a VGA Monito r. SVR-94 0 SVR-45 0 SVR-94 0 No . Description No .
Digital Video Recorder User’ s Manual 25 Cha pter 4. Oper atin g No . Description No . Description 1 Red Sig nal (75, 0.7Vp-p) 9 N/C(No connection) 2 Green Signal (75, 0.
Digital Video Recorder User’ s Manual 26 * The facto r y defau lt is set t o NTSC vide o mode and VGA vi deo output. SETTING Video mode Video out put NTSC P AL BNC VGA F actory Default O X X O X O X O 4.
Digital Video Recorder User’ s Manual 27 When Channe l number butto ns 1 ~ 4 (SVR-450) / 1 ~ 9 (SVR- 940) are pressed , each channel is disp layed in full scree n. When th e AUT O button is pressed in eac h full screen mode, each channel is rotated aut omatically foll owing the setting in [SCREEN SETUP] > [Auto Sequenc e].
Digital Video Recorder User’ s Manual 28 4.4.1 Normal rec ording 4.4.2 Scheduled r ecording 4.4 Recording When the REC butt on is pressed , manual recor ding is started and the "R" icon (Manual Re - cord ing) is displ ayed on the upper righ t corner of the monito r screen.
Digital Video Recorder User’ s Manual 29 4.5 Search Pr ess the SEARCH button, and the Sear ch Menu appears as illus trated below . Re corded video can be searched an d played back by tim e, event, or da te and the L og F ile is also d isplayed .
Digital Video Recorder User’ s Manual 30 Users can enter a desired se arch date and time in this menu. Pr ess the ENTER button to display a s below . Pr ess the ENTER button to playback from the fi rst data st ored in the HDD. Pr ess the ENTER button to playback from the la st data sto red in the HDD.
Digital Video Recorder User’ s Manual 31 Pr ess the ENTER button on this menu to displa y the calen dar . Select a desire d date on the calenda r to displa y the Lo g files. Pre ss the ESC b utton to e xit this men u. Both Still images and Video can be b acked u p.
Digital Video Recorder User’ s Manual 32 ① D u ri ng P la y ba ck , P r es s t h e P A US E bu tt on t o pa us e t h e pl a yb ac k a n d pr es s th e C OP Y bu tt on . Y o u wi ll b e a sk e d w he th er t o s to re a S t il l i ma ge o r Vi d e o (F i g ur e 1) .
Digital Video Recorder User’ s Manual 33 Fi gure 3 4.6 Playback 4.7 PTZ REC Butt on for man ual recor ding. STEP Play back positio n moves 1 frame fo r ward /back during P ause. PLA Y/ P AU SE Button f or playback and pause . ST OP Button f or stop F AST Button for fast f or war d.
Digital Video Recorder User’ s Manual 34 SE AR CH ME NU P TZ A UT O C OPY M UL T I Select P AN/TI L T and press the E NTER button . - F or Pa n adjustment , Pre ss the butto n - F or Tilt adjustm ent, Press t he butto n Select INIT IALIZE and p ress the EN TER button t o initializ e a PTZ cam era Select Z OOM/FOCUS a nd press th e ENTER butt on.
Digital Video Recorder User’ s Manual 35 4.8 DVR Backup File Pla yer Th e DV R pr ovi des an e xcl usi ve vide o fi le f orm at a s we ll a s A VI f ile type . T o p la y and see the DVR (e xc lus ive ) ty pe fil e, y ou sh oul d pl ay ba ck this vi deo fi le on our ex clu siv e pla ye r as f oll ow .
Digital Video Recorder User’ s Manual 36 Cha pter 4. Oper atin g 4. Sele ct the bac kup fil e ( DVR typ e) yo u wi sh to pl ay back 6. Overv iew of DVR P lay er 5. Cli ck th e pl ay b utt on t o sta rt pla yb ack th e DV R f ile yo u s ele cted . Cl ick to start pl ayb ack the sel ecte d f ile 1 2 3 4 5 6 7 8 9 J T able 1.
Digital Video Recorder User’ s Manual 37 Cha pter 5. Co ngur atio n 5.1 Menu configuration Pr ess the Menu button on the fro nt side of the unit or the MENU button on the rem ote contr ol, and the menu for a variety of settings relate d to the unit will appear .
Digital Video Recorder User’ s Manual 38 Cha pter 5. Co ngur atio n E VE NT S ET UP EVENT EVENT BE EP , EVENT A UTO S EQ, EVENT TIME, TEXT MONIT ORING, SENSOR- SENSOR T YPE RELA Y SENSOR– CH1,C.
Digital Video Recorder User’ s Manual 39 Cha pter 5. Co ngur atio n SYNC CH ANNEL, DEVICE, CHECK PRO TOC OL, LINES SYST EM ID , BAUD RA TE, DA T A BIT , P ARITY BIT , ST OP BIT USER A UTHENTIC A TION, USER P ASSWO RD, EVENT BEE P 5.
Digital Video Recorder User’ s Manual 40 Main Menu Submenu Default EVENT EVENT BE EP EVENT A UTO SEQ EVENT TIME TEXT MON ITORING SENSOR SENSOR T YPE OFF OFF 5 SEC OFF CH1 N/O MO TION CHANNEL MO TION.
Digital Video Recorder User’ s Manual 41 Main Menu Submenu Default SYST EM LANGU AGE KEY BUZZ ER DEF AUL T REMO TE SETUP REMO TE CO NTROLLER ID DESCRIP TION TEST MO DE ENGLISH ON >> ON 0 DISPL.
Digital Video Recorder User’ s Manual 42 5.3 Menu Screen Setup · Main Me nu: Select the Main Menu corr esponding t o each T ab. · Subme nu: Select the Submenu to be set up on the Main Menu . · Setup I tems : Change t he settings o n the Submen u.
Digital Video Recorder User’ s Manual 43 5.4.1 CH1~CH4 / C H1~CH9 (f or SVR-940) Select setu p items re lated to channels suc h as channel titles or bri ghtness. · Title : Titles can be individually set to eac h channel. Select the channel title and press the ENTER b utton.
Digital Video Recorder User’ s Manual 44 5.4.3 ST A TUS DI SPLA Y Selects inf ormation t o display on the liv e screens . . BRIGHTNESS : Adjust s the scree n brightness by changing the valu es. . CONTRA ST : Adju sts the scre en contra st by chang ing the v alues.
Digital Video Recorder User’ s Manual 45 · OSD [ ON/OFF] : Wi th OSD [ON], Stat us informa tion is displ ayed on the live s creen. · CL OCK D ISPLA Y [ON/OFF ] : With Clo ck Display [ON], the curr ent time is displa yed on the live screen s.
Digital Video Recorder User’ s Manual 46 1. IMAGE SIZE Recor ding Resoluti on can be sel ected. The higher t he resol ution the system is set to, the better the rec ording , but the mor e space the sy stem needs . The Mo nitoring scr een can be r ecorded o n the syst em's HDD .
Digital Video Recorder User’ s Manual 47 . CHANNEL : Select the channel fo r which to set DET AILED SETUP . MODE : Select one of four r ecording methods belo w. · SCHED ULE : P ress the ENT ER but ton wh en the cursor is on SCHEDULE, and t he sche dule setup s creen appea rs as illustr ated belo w.
Digital Video Recorder User’ s Manual 48 EVENT BE EP : Select whet her to turn the buzzer ON or OFF . EVENT A UTO SEQ : Set to displ ay in full screen the channel tha t the even t activate d. EVENT TIME : Set the full scree n display t ime when the event w as activate d.
Digital Video Recorder User’ s Manual 49 SENSOR : Select the ch annel for sensor setup . - SENSO R TYPE : Select the se nsor type. (N/O , N/C) - N/O : NORMA L OPEN type sen sor - N/C : NORMA L CLO S.
Digital Video Recorder User’ s Manual 50 Conn ec t the sy stem t o the POS de vice us ing a serial c able. In order to disp lay T ext data over a screen , at le ast one o f the cha nnels is t o be set to TEXT re cording mode and TEXT displa y.
Digital Video Recorder User’ s Manual 51 LIVE SC REEN POS TEXT data is display ed only ov er a full scre en, not on qua d split scree n, and is disp layed for 3 to 4 sec onds. PLA YBAC K SCREEN POS TEXT dat a is displa yed only o ver a fu ll screen, not on quad split s creen.
Digital Video Recorder User’ s Manual 52 Set the necessary items for netw ork connection to a compu ter . 1) Us ers can set t he DDNS in t he setup menu of the SVR- 440/940 as be low . Select the N et - work m enu and the following screen is displaye d.
Digital Video Recorder User’ s Manual 53 This is all about DDNS setup in the DVR unit . 2) Aft er finishing the abov e step , please ta ke the next ste p with the D DNS server . Please ref er to Chapt er 5.8 DDNS Registrati on. · PORT : When con necting to a P C, the ports can be changed .
Digital Video Recorder User’ s Manual 54 This menu is fo r setting a c onnection with a POS devic e. This menu is fo r setting a c onnection with Cameras a nd CCTV devices . · SY STEM ID : Set the sy stem ID . · BA UD RA TE : Set the data transfer speed per se cond.
Digital Video Recorder User’ s Manual 55 · SEND E-MAIL : Select ON f or E-mail sen ding. · MAIL ADDRESS : Pres s the ENTER button to dis play the Keyboa rd screen and sel ect the c or - rect E-m ail address . · MAIL SERVER IP: Please keep the default value.
Digital Video Recorder User’ s Manual 56 - Ag reement the general t erms and con ditions - SIGN UP page : check ID availab ility Cha pter 5. Co ngur atio n.
Digital Video Recorder User’ s Manual 57 2)The product regi stration is possible aft er sign up . - Sign in at iPOLiS webs ite - Product Li st (If you d idn’ t register products, there are no lis t) Cha pter 5.
Digital Video Recorder User’ s Manual 58 - Check the r egistratio n at produ c t lis t 3) DDNS Configur ation at DV R Pr ess the MENU button, then sele c t [N etwork] on O SD Menu. • DDNS > Select ‘ Y es’ • DDNS SERVER DOMAIN N AME > Enter the DDNS se r ver a ddress (Default :www.
Digital Video Recorder User’ s Manual 59 1) P roduct info rmation con firmation. 5.9. Instructions on using DDNS [ VIEW ] : See the log-in page of selected pr oduct [Edit] /[Delete] : Edit/ Delete the se lected produ c t, passw ord is need ed for che ck ing 4) The c onnection statu s of selected product can be checked on pr oduct list.
Digital Video Recorder User’ s Manual 60 - Chec k ing t he product inf ormation ( Product, Model Nu mber , ID(Doma in), MAC Address , etc) 2) Video pla yback function 3) P roduct maint enance functi ons. 'Pr oduct mainte nance' and 'edit/delete ' products re gistered i n the produ c t li st can be selected .
Digital Video Recorder User’ s Manual 61 Cha pter 5. Co ngur atio n - Cli ck the edit b utton from the product l ist i. Editing product profi le ii.
Digital Video Recorder User’ s Manual 62 This is a set up m enu relat ed to the DV R system. Pr ess the MENU button and select the T ab usi ng the Left/ R igh t button. The subme nu relate d to the sy stem appear s as illustr ated below . Pres s the ENTER b utton and s elect the subme nu using the Left/Right b utton.
Digital Video Recorder User’ s Manual 63 · TEST MODE : Select to up grade the f irmware of t he system. Pleas e refer t o Chapter 5.14.1 F irmware up grade. HDD FOR MA T : Select whethe r to initia lize the HD D. Select ON t o delete al l data sa ved in the HDD and the unit wi ll automati cally reboot for syst em stabiliz ation.
Digital Video Recorder User’ s Manual 64 Set the Admin and Network P assword s and set eac h limitation according to each pa ssword . The DV R supports one ADM IN and thre e USER acco unts. · USER AUTHENT ICA TION : The DVR r equires eac h user to s ets up a pas sword in o rder to be able t o control the given functions.
Digital Video Recorder User’ s Manual 65 1. Authori zation function s - Ad ministrato rs build the system c onsidering the two factors below . i. Select the fu nc tio ns whose use is to be r estricted. ▶ P ASSWORD CHECK = O : F unction that only a desig nated pers on can use.
Digital Video Recorder User’ s Manual 66 Set the system dat e. · CL OCK : Set the s ystem time . The unit will automa tically rebo ot for sy stem stabil ization. - DA YLIGHT SA VING : Select whet her to appl y Dayligh t Saving Time. - DA TE SETU P : Set the s ystem time .
Digital Video Recorder User’ s Manual 67 Set the camera ID a nd model fo r each chann el. · CHANN EL : Select the channel to set. · PTZ CA MERA ID: Set the IDs from 0 to 255 for ea ch camera c onnected to the system . · MODEL : Set the c amera model.
Digital Video Recorder User’ s Manual 68 Users can upgrade th e software by doing a firmwa re download . Y ou can do wnload the fi rm - ware with a USB Me mor y sti ck. ① Select 'M ENU' and go to [SYSTE M SETUP]-[SY STEM]-[ TEST MODE ]. ② The DVR will reboot and the syst em will sho w the DVR DI AGNOSTICS MENU as belo w.
Digital Video Recorder User’ s Manual 69 When the DVR system time is r eset or mis matched , t he mes sage b elow is dis played . This mes- sage is display ed when the DVR system time is set to before of the time recording data on the HDD .
Digital Video Recorder User’ s Manual 70 C h a p t e r 6 . W e b - Vi e w e r ③ Afte r setting the YE AR/MONTH/DA TE/HOU R/MIN/SEC, press the ENTER but ton. ④ Please set the time co rrectly . If the time over laps the fina l recordi ng date on the HDD , the ove rplayed d ata will be deleted .
Digital Video Recorder User’ s Manual 71 Items Descrip tion Conn ec tio n T ype If the s ystem is u sing a Dynamic IP address, select ' iPolis Se r ver' . T o use this function, the sy stem must be pre-regi stered in the iPOLiS home page an d the NETWORK menu of the syste m must be properl y pre-set.
Digital Video Recorder User’ s Manual 72 Button s F unctions / / Button to select scr een displa y from 4/ 9/ 16 channe ls. (4 / 9 channels scr een displa y is av ailable f or SVR-450/94 0.) Button to activa te Auto sequence mo de. ( = Auto Sequence ) Button for pla yback pause .
Digital Video Recorder User’ s Manual 73 Button s F unctions Button to change to Live m ode. / Button s for pla yback 1 min ute befor e/after . / Button s to start and s top play . / Button s to mov e 1 frame back/1 frame forward. Button s to fast-r ewind/fast- forward pla y.
Digital Video Recorder User’ s Manual 74 1) Liv e Mode 6.4 Web-Viewer buttons Not a vailable Auto Sequence - Auto seq uence of the selected channel. 4/9/16 c hannels Button for Search Mo de Displa y camera OSD menu 'ZF' mdo e. Buttons to select the speeds f or Pan /Tilt/ Zoom/ Focus (Max .
Digital Video Recorder User’ s Manual 75 2) Sear ch Mode Button to go or ret urn to the se lected menu in the camera OS D menu. Button for Live Mode Calend ar Play buttons Button for OSD co ntrol over video screen .
Digital Video Recorder User’ s Manual 76 The S VR-450/940 is a very sophist icated dev ice, so failur e can occur . In cas e of failure , pleas e foll ow the inst ructions give n below . • The unit will not tu rn on even after pluggin g in the adap tor jack.
Digital Video Recorder User’ s Manual 77 Spec. SVR-450 SVR-940 Video Inpu t 4BNC 9BNC Video Output Monitor A 1BNC, 1VGA (Selectab le) 1BN C, 1VGA (Sele c tabl e), S-Video Monitor B - 1BNC (S ingle/S.
Digital Video Recorder User’ s Manual 78 C O M P A T I B L E S A T A H D D L I S T ※ SV R- 450 /9 40 ca n b e con ne cte d to on ly SA T A c on ve rte r b oa rd pr ov id ed wi th th e p ro duc t. Pl ea se re fe r to th e i ns tal l pr oce du re of S A T A H DD on t he ne xt pag e.
Digital Video Recorder User’ s Manual 79 S A T A H D D I N S T A L L A T I O N 1. Insert rubb er rings to the brac k et and screw the bracket to the HD D. 2. When assem ble the SA T A con verter boa rd, scre w on the onl y upper-righ t corner like th e picture bel ow .
Digital Video Recorder User’ s Manual 80 4. Conn ect the E-IDE & power cables. 5. In cas e of install ing two Ha rd Disk Dri ves. Check the "MASTER" or "SLA VE" on the S A T A conv er ter board. Conn ec t to the pow er(SMPS) using power cable.
Digital Video Recorder User’ s Manual 81 CO MP ANY MODEL SIZE RPM BUF - FER Reco- nition Re cord Play - back HIT ACHI HD - S728080P LA T20 80 GB 7200 RPM 2 M OK O K OK HD - S721680P LA T80 80 GB 720.
CO MP ANY MODEL SIZE RPM BUF - FER Reco- nition Re cord Play - back Seagate ST3400-1 5ACE 40 GB 7200 RPM 2 M OK O K OK ST3800-1 2ACE 80 GB 7200 RPM 2 M OK O K OK ST31200- 25ACE 120 GB 7200 RPM 2 M OK .
MEMO.
Digital Video Recorder User’ s Manual 84 MEMO.
Digital Video Recorder User’ s Manual 85 MEMO.
SAMSUNG TECHWIN CO., L TD. 145-3,Sangdaewon dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, 462-120,Korea TEL: +82-31-740-8151~8 F AX: +82-31-740-8145 SAMSUNG TECHWIN EUROPE CO.
An important point after buying a device Samsung SVR-940/450 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Samsung SVR-940/450 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 Samsung SVR-940/450 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Samsung SVR-940/450 you will learn all the available features of the product, as well as information on its operation. The information that you get Samsung SVR-940/450 will certainly help you make a decision on the purchase.
If you already are a holder of Samsung SVR-940/450, 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 Samsung SVR-940/450.
However, one of the most important roles played by the user manual is to help in solving problems with Samsung SVR-940/450. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Samsung SVR-940/450 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
