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Standalone DVR User’s Manual

XTS-DVR72

XX-V Versatile Series

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Содержание DVR72XX-V

Страница 1: ...1 Standalone DVR User s Manual XTS DVR72XX V Versatile Series...

Страница 2: ...ONTROLS 15 2 1 Front Panel 15 2 2 Rear Panel 15 2 3 Connection Sample 16 2 4 Remote Control 16 2 5 Mouse Control 18 2 6 Virtual Keyboard Front Panel 19 2 6 1 Virtual Keyboard 19 2 6 2 Front Panel 19 3...

Страница 3: ...3 3 8 Alarm Input and Output Connection 24 3 8 1 Alarm Input and Output Details 24 3 8 2 Alarm Input Port 25 3 8 3 Alarm Output Port 26 3 9 RS232 26 3 10 RS485 27 3 11 Other Interfaces 27 4 OVERVIEW O...

Страница 4: ...Alarm Activation 44 4 6 1 Go to alarm setup interface 44 4 6 2 Alarm setup 44 4 7 Backup 46 4 7 1 Detect Device 46 4 7 1 Backup 46 4 8 PTZ Control and Color Setup 47 4 8 1 Cable Connection 47 4 8 2 PT...

Страница 5: ...5 3 7 Detect 64 5 3 8 Pan Tilt Zoom 64 5 3 9 Display 65 5 3 10 Default 67 5 4 Search 67 5 5 Advanced 67 5 5 1 HDD Management 68 5 5 2 Abnormity 69 5 5 3 Alarm Output 69 5 5 4 Manual Record 70 5 5 5 A...

Страница 6: ...attern Setup 78 6 2 6 Activate Pattern Function 79 6 2 7 Border Setup 79 6 2 8 Activate Border Function 79 6 2 9 Flip 79 7 WEB CLIENT OPERATION 80 7 1 Network Connection 80 7 2 Login 80 7 2 1 Real tim...

Страница 7: ...SURVEILLANCE SYSTEM 121 9 FAQ 122 APPENDIX A HDD CAPACITY CALCULATION 127 APPENDIX B COMPATIBLE USB DRIVE LIST 128 APPENDIX C COMPATIBLE CD DVD BURNER LIST 129 APPENDIX D COMPATIBLE SATA HDD LIST 130...

Страница 8: ...to be a reference tool for the installation and operation of your system Here you can find information about this series DVR features and functions as well as a detailed menu tree Before installation...

Страница 9: ...apply power to the DVR before completing installation Do not place objects on the DVR 4 Qualified engineers needed All the examination and repair work should be done by the qualified service engineers...

Страница 10: ...on intelligent resident zone factory warehouse resources and water conservancy 1 2 Features This series product has the following features z Real time monitor It has analog output port VGA port and HD...

Страница 11: ...und due to different series 1 3 Specification Parameter XTS DVR7204V XTS DVR7208V XTS DVR7216V Main Processor High performance industrial embedded micro controller OS Embedded LINUX System Resources M...

Страница 12: ...creen though system is encoding normally Screen lock function to prevent unauthorized user seeing secret video Channel Information Channel name recording status screen lock status video loss status an...

Страница 13: ...via client Support network PTZ lens control File download backup and playback Multiple devices share information via corresponding software such as professional surveillance software PSS Duplex trans...

Страница 14: ...limit to the user or group amount Password modification Administrator can modify other user s password User Management Password Authenticati on Account lock strategy Five times login failure in thirty...

Страница 15: ...ction Power button Power button press this button for three seconds to boot up or shut down DVR USB port To connect USB storage device USB mouse Power indication light Power Power indication light Rec...

Страница 16: ...Network port 12 eSATA port 13 USB port 14 RS232 port 15 HDMI port 16 Video VGA output When connect the Ethernet port please use straight cable to connect the PC and use the crossover cable to connect...

Страница 17: ...Auxiliary key Please refer to the Fn button in the front panel 6 Confirm menu key Please refer to the ENTER button in the front panel 7 Cancel Please refer to the ESC button in the front panel 8 Dire...

Страница 18: ...glish character small capitalized Here stands for backspace button stands for space button In English input mode _stands for input a backspace icon and stands for deleting the previous character In nu...

Страница 19: ...ress middle button Page up or page down Move mouse Select current control or move control Select motion detection zone Drag mouse Select privacy mask zone 2 6 Virtual Keyboard Front Panel 2 6 1 Virtua...

Страница 20: ...tion of the function keys in the front panel and the ports in the rear panel please refer to the User s Manual included in the resource CD The model in the front panel is very important please check a...

Страница 21: ...B75 See X283H283H283H291HFigure 3 1 X The video signal should comply with your national standards The input video signal shall have high SNR low distortion low interference natural color and suitable...

Страница 22: ...ints z To defer aging do not allow the pc monitor to run for a long time z Regular demagnetization will keep device maintain proper status z Keep it away from strong electromagnetic interference devic...

Страница 23: ...io output signal parameter is usually over 200mv 1K BNC It can directly connect to low impedance earphone active sound box or amplifier drive audio output device If the sound box and the pick up canno...

Страница 24: ...lize the connection between the alarm output port and the load 3 How to connect PTZ decoder a Ensure the decoder has the same grounding with DVR otherwise you may not control the PTZ Shielded twisted...

Страница 25: ...w 1A Earth cable 485 A B 485 communication port They are used to control devices such as PTZ Please parallel connect 120T between A B cables if there are too many PTZ decoders T 3 8 2 Alarm Input Port...

Страница 26: ...Maximum switch voltage 250VAC 220VDC Rating Resistance Load Maximum switch currency 1A Between touches with same polarity 1000VAC 1minute Between touches with different polarity 1000VAC 1minute Insul...

Страница 27: ...Z device can t return any data to the unit To enable the operation connect the PTZ device to the RS485 A B input on the DVR See X289H289H289H296HFigure 3 8X Since RS485 is disabled by default for each...

Страница 28: ...28 Figure 3 9...

Страница 29: ...ord 888888 administrator local only z Username 666666 Passwords 666666 Lower authority user who can only monitor playback backup and etc z Username default Password default hidden user You can use USB...

Страница 30: ...panel for at least 3 seconds system will stop all operations Then you can click the power button in the rear panel to turn off the DVR 4 1 4 Auto Resume after Power Failure The system can automatical...

Страница 31: ...ual Record z In live viewing mode click record button in the front panel or record button in the remote control Manual record menu is shown as in X295H295H295H302HFigure 4 5X 4 2 2 2 Basic operation T...

Страница 32: ...ight in front panel will turn on Figure 4 7 z All channel manual record Please highlight ALL after Manual See X298H298H298H305HFigure 4 8X When system is in manual recording all scheduled set up you h...

Страница 33: ...are three file types z R Regular recording file z A External alarm recording file z M Motion detection recording file Figure 4 10 Please refer to the following sheet for more information Serial Number...

Страница 34: ...tem can switch to the corresponding channel video of the same time 4 3 2 5 Digital zoom When the system is in full screen playback mode drag your mouse in the screen to select a section and then left...

Страница 35: ...e to view its file list Figure 4 11 4 4 Schedule After system booted up it is in default 24 hour regular mode You can set record type and time in schedule interface 4 4 1 Schedule Menu In the main men...

Страница 36: ...isk there is a spare one in the other disk You can use this function to maintain data reliability and safety In the main menu from Setting to Schedule you can highlight redundancy button to enable thi...

Страница 37: ...reboot to get setup activated Now you can search or playback file in redundant disk z Dismantle the disk and play it in another PC 4 4 2 Snapshot 4 4 2 1 Schedule Snapshot In Encode interface click s...

Страница 38: ...nnels Please refer to the following figure for detail information See Figure 4 15 Figure 4 15 4 4 2 3 Priority Please note the activation snapshot has the higher priority than schedule snapshot If you...

Страница 39: ...ecute button See Figure 4 17 System needs to reboot to get current setup activated Figure 4 17 All scheduled snapshot files or activated snapshot files will be memorized in the snapshot disk You can s...

Страница 40: ...ect button the interface is shown as in X304H304H304H Figure 4 20 Here you can set motion detection zone There are 396 PAL 330 NTSC small zones The green zone is current cursor position Grey zone is t...

Страница 41: ...button you can see an interface is shown as in X308H308H308HFigure 4 23X Here you can set your own setup for business day and non business day z Anti dither Here you can set anti dither time z Alarm o...

Страница 42: ...42 Figure 4 20 Figure 4 21 Figure 4 22 Figure 4 23 4 5 3 Video Loss...

Страница 43: ...er to chapter 4 5 2 motion detection for detail information Figure 4 24 4 5 4 Camera Masking When someone viciously masks lens the system can alert you to guarantee video continuity Camera masking int...

Страница 44: ...dither Here you can set anti dither time z Show message System can pop up a message to alarm you in the local host screen if you enabled this function z Alarm upload System can upload the alarm signa...

Страница 45: ...45 Figure 4 26 Figure 4 27 Figure 4 28...

Страница 46: ...device includes USB burner flash disk SD card portable HDD and eSATA Figure 4 30 4 7 1 Backup Select backup device and then set channel file start time and end time Click add button system begins sear...

Страница 47: ...terface for other operation The system will not terminate backup process Note When you click stop button during the burning process the stop function becomes activated immediately For example if there...

Страница 48: ...et the following items z Channel select the current camera channel z Protocol select corresponding PTZ protocol such as PELCOD z Address default address is 1 z Baud rate select corresponding baud rate...

Страница 49: ...ent positioning key See X327H327H327HFigure 4 37 X Please make sure your protocol supports this function and you need to use mouse to control Click this key system goes back to the single screen mode...

Страница 50: ...the control parameter You can define it as you require z You need to refer to your speed dome user s manual for Aux definition In some cases it can be used for special process z The following setups a...

Страница 51: ...4 Activate Patrol tour In X341H341H341H Figure 4 38X input patrol tour number in the No blank and click patrol button 4 9 5 Pattern Setup In X342H342H342H Figure 4 38X X click pattern button and then...

Страница 52: ...43 4 9 8 Activate Auto Scan In X351H351H351HFigure 4 39 click Auto Scan button the system begins auto scan Correspondingly the auto scan button becomes Stop button Click stop button to terminate scan...

Страница 53: ...ct Pan Tilt Zoom Display Default Search Advanced HDD Management Alarm Output Abnormity Manual Record Account Auto Maintain TV Adjust Video Matrix Shutdown 5 2 Main Menu After you logged in the system...

Страница 54: ...face is shown as in X358H358H358H321HFigure 5 4X Here you can set start time and end time by setting corresponding week setup In X359H359H359H322HFigure 5 4X enable date button you can see an interfac...

Страница 55: ...ontrol several DVRs you can give a name to each DVR for your management z Video standard There are two formats NTSC and PAL z Auto logout Here is for you to set auto logout interval once login user re...

Страница 56: ...s z Bit rate type System supports two types CBR and VBR In VBR mode you can set video quality z Quality There are six levels ranging from 1 to 6 The sixth level has the highest image quality z Video...

Страница 57: ...bit The value ranges from 5 to 8 z Stop bit There are three values 1 1 5 2 z Parity there are three choices none odd even System default setup is z Function Console z Baud rate 115200 z Data bit 8 z S...

Страница 58: ...able this function The download speed is 1 5X or 2 0X of the normal speed After completing all the setups please click save button system goes back to the previous menu Figure 5 9 5 3 5 1 Advanced Set...

Страница 59: ...cast group address 224 0 0 0 239 255 255 255 D address space z The higher four bit of the first byte 1110 z Reserved local multiple cast group address 224 0 0 0 224 0 0 255 TTL 1 When sending out tele...

Страница 60: ...tton you need to restart to activate your configuration After rebooting DVR will connect to internet automatically The IP in the PPPoE is the DVR dynamic value You can access this IP to visit the unit...

Страница 61: ...nable item Them please input your PPPoE name you get from you IPS and server IP PC with DDNS Click save button and then reboot system Click save button system prompts for rebooting to get all setup ac...

Страница 62: ...If the DHCP function enabled successfully system can get the DNS server IP address See Figure 5 17 Figure 5 17 5 3 5 8 FTP You need to download or buy FTP service tool such as Ser U FTP SERVER to est...

Страница 63: ...UTH and then test it can modify or delete folder or not See X373H373H373H336HFigure 5 19X Figure 5 19 System also supports upload multiple DVRs to one FTP server You can create multiple folders under...

Страница 64: ...hannel 5 3 5 9 Email Email interface is shown as in Figure 5 21 Please input sender mailbox SMTP server IP address port user name and password and sender mailbox interval The title content supports En...

Страница 65: ...on here only applies to DVR local end You need to open web or client end to refresh channel name z Time display You can select to display time or not when system is playback z Channel display You can...

Страница 66: ...end only You need to refresh web or client end to get the latest channel name System max support 25 digital character Figure 5 24 In tour mode you can see the following interface On the right corner r...

Страница 67: ...e setups please click save button system goes back to the previous menu Warning System menu color language time display mode video format IP address user account will not maintain previous setup after...

Страница 68: ...ed system is shown as X You can select HDD mode from the dropdown list such as read only or you can erase all data in the HDD Please note system needs to reboot to get all the modification activated F...

Страница 69: ...ing time The value ranges from 10s 300s System automatically delays specified seconds in turning off alarm and activated output after external alarm cancelled z Show message system can pop up the mess...

Страница 70: ...user management there are two levels admin and user z The user name and group name can consist of eight bytes One name can only be used once There are four default users admin 888888 666666 and hidde...

Страница 71: ...ct proper setup from dropdown list After all the setups please click save button system goes back to the previous menu Figure 5 33 5 5 7 TV Adjust Here is for you to adjust TV output setup See X389H38...

Страница 72: ...6 1 HDD Information Here is to list hard disk type total space free space video start time and status See X391H391H391HFigure 5 37 means current HDD is normal X means there is error means there is no...

Страница 73: ...ase go to General Chapter 5 3 1 to adjust system time or go to HDD Management Chapter 5 5 1 to format HDD and then reboot the DVR Figure 5 37 Tips Please click Fn button or left click mouse to view HD...

Страница 74: ...wn button to view if there are more than ten files Figure 5 39 5 6 4 Version Here is for you to view some version information See X394H394H394HFigure 5 40 z Channel z Alarm in z Alarm out z System ver...

Страница 75: ...See X396H396H396HFigure 5 42 z Logout menu user log out menu You need to input password when you login the next time z Restart application reboot DVR z Shutdown system shuts down and turns off power...

Страница 76: ...s z Zoom z Focus z Iris Please click icon and to adjust zoom focus and Iris Figure 6 2 In X399H399H399H341HFigure 6 2X please click direction arrows See X400H400H400H342HFigure 6 3X to adjust PTZ posi...

Страница 77: ...is close W Open f 6 2 Preset Patrol Pattern Border Function In X402H402H402H344HFigure 6 2X click the set button The interface is shown as below Here you can set the following items z Preset z Patrol...

Страница 78: ...input preset number in the No blank and click preset button 6 2 3 Patrol Setup In X412H412H412H354HFigure 6 5X click patrol button The interface is shown as in X413H413H413H355HFigure 6 8X Input pres...

Страница 79: ...re 6 10X and click left limit button Repeat the above procedures to set right limit Figure 6 10 6 2 8 Activate Border Function In X424H424H424H366HFigure 6 6X click auto scan button the system begins...

Страница 80: ...on can overwrite the previous one z If you want to un install the web control please run uninstall webrec2 0 bat Or you can go to C Program Files webrec to remove single folder Please note before you...

Страница 81: ...t your user name and password Default factory name is admin and password is admin Note For security reasons please modify your password after you first login Figure 7 3 After you logged in you can see...

Страница 82: ...5 Here you can view window switch button You can also select video priority between fluency or real time System monitor window switch supports full screen 1 window 4 window 6 window 8 window 9 window...

Страница 83: ...atus z 2 Change show mode resize or switch to full screen mode z 3 Local record When you click local record button the system begins recording and this button becomes highlighted You can go to system...

Страница 84: ...ectional talk process system will not encode the audio data from the 1 channel Local Play The Web can playback the saved Extension name is dav files in the PC end Click local play button system pops u...

Страница 85: ...n size It can realize PTZ automatically 7 2 2 2 Speed System supports eight level speed You can select from the dropdown list Speed 2 is faster than speed 1 7 2 2 3 Zoom Focus Iris Here is a sheet for...

Страница 86: ...7 11 to implement camera operation Then you can click stop record button Now you have set one pattern 7 2 2 6 Preset In X441H441H441H383HFigure 7 12X move the camera to your desired location and then...

Страница 87: ...ent channel border becomes green Or you can click default button to use system default setup Figure 7 14 7 2 4 Picture Path and Record Path Click more button in X445H445H445H387HFigure 7 14X you can s...

Страница 88: ...following dialogue box See Figure 7 18 Please click OK to reboot Figure 7 18 If there is local use logged in the system menu or the Web logged in user has no right to reboot the device system pops up...

Страница 89: ...ormation Here you can view local storage status and network status including free capacity and total capacity See X450H450H450H392HFigure 7 20X Figure 7 20 7 3 1 3 Log Here you can view system log See...

Страница 90: ...data management alarm event record operation user management log clear and file operation Search You can select log type from the drop down list and then click search button to view the list Clear Yo...

Страница 91: ...General Setup Here you can set system time record length video format and etc See X453H453H453H395HFigure 7 23X Figure 7 23 Figure 7 24 Figure 7 25 Please refer to the following sheet for detailed in...

Страница 92: ...oot to get the modification activated HDD Full There are two options stop recording or overwrite the previous files when HDD is full When current working HDD is overwriting or it is full now system st...

Страница 93: ...otion stream and alarm stream You can select different encode frame rates form different recorded events System supports active control frame function ACF It allows you to record in different frame ra...

Страница 94: ...is the max value In dynamic video system needs to low frame rate or video quality to guarantee the value z The value is null in VBR mode z Please refer to recommend bit rate for the detailed informat...

Страница 95: ...tton Refresh Click this button to get device latest configuration information Click copy interface the interface is shown as in X456H456H456H398HFigure 7 28X If you have completed the setup for channe...

Страница 96: ...t and alarm snapshot z Please select date Current setup applies to current day by default You can draw a circle before the week to apply the setup to the whole week z After complete setup please go ba...

Страница 97: ...n Keyboard COM control protocol You can use keyboard to control DVR via COM Data Bit The value ranges from 5 to 8 Stop Bit There are three options 1 2 Baud Bit You can select corresponding baud bit he...

Страница 98: ...access current device Multiple cast group z Set MULCAST address and port z Enable MULCAST function Remote Host PPPOE z Input the PPPoE user name and password you get from the IPS internet service prov...

Страница 99: ...ue is 25 You can modify it if necessary User Name The sender email account user name Password The sender email account password Sender Sender email address Subject Input email subject here Address Inp...

Страница 100: ...lize DDNS function Server IP DDNS server IP address Server Port DDNS server port Domain Name Your self defined domain name User The user name you input to log in the server Password The password you i...

Страница 101: ...gth system only uploads the set length and auto ignore the left section When interval value is 0 system uploads all corresponding files Password The password you need to log in the server Remote Path...

Страница 102: ...Name Time Zone London GMT 0 Berlin GMT 1 Cairo GMT 2 Moscow GMT 3 New Deli GMT 5 Bangkok GMT 7 Beijing Hong Kong GMT 8 Tokyo GMT 9 Sydney GMT 10 Hawaii GMT 10 Alaska GMT 9 Pacific Time P T GMT 8 Ameri...

Страница 103: ...re 7 37 7 3 2 6 Alarm Alarm setup interface is shown as in X467H467H467H409HFigure 7 38X Please make sure you have connected the corresponding alarm output device such as the light buzzer and etc Figu...

Страница 104: ...iod The value ranges from 0 to 15s Normal Out Enable alarm activation function You need to select alarm output port so that system can activate corresponding alarm device when alarm occurred Alarm Lat...

Страница 105: ...ave You can click save button after you complete setup for one channel or you can complete the whole setups and then click save button Refresh Click this button to get device latest configuration info...

Страница 106: ...back to motion detection interface please click save button to exit Anti dither System only memorizes one event during the anti dither period The value ranges from 0s to 15s Normal out z There is 2 ch...

Страница 107: ...his button to get device latest configuration information 7 3 2 8 PTZ PTZ interface is shown as in X470H470H470H412HFigure 7 42X Please note before operation please make sure you have set speed dome a...

Страница 108: ...k this button to get device latest configuration information 7 3 2 9 Default Backup Default Restore factory default setup You can select corresponding items Backup Export current configuration to loca...

Страница 109: ...rresponding item here See X472H472H472H414HFigure 7 44X Figure 7 44 Please refer to the following sheet for detailed information Parameter Function Format Clear data in the disk Read write Set current...

Страница 110: ...er to the following sheet for detailed information Parameter Function Alarm output There are six output channels Multiple choices Activate Enable disable alarm output device After the Web activated th...

Страница 111: ...l Enable corresponding channel to record no matter what period applied in the record setup Stop Stop current channel record no matter what period applied in the record setup Operation here is the same...

Страница 112: ...112 Figure 7 47 7 3 3 5 Auto Maintenance Here you can select auto reboot and auto delete old files interval from the dropdown list See X476H476H476H418HFigure 7 48X Figure 7 48...

Страница 113: ...ame rate You can select from the dropdown list The value ranges from 1f s to 7f s Resolution You can select from the dropdown list For 16 series DVR 1 Channel 1 and 9 channel support D1 CIF QCIF Chann...

Страница 114: ...alarm output can delay for the specified time after alarm stops Then system disables alarm and corresponding activation output The value ranges from 10s to 300s Send email If you enable this function...

Страница 115: ...button you can see an interface is shown as in X479H479H479H421HFigure 7 52X Please select record playback mode and then select start time end time and channel Then please click search button you can...

Страница 116: ...nd path to download the file s to your local pc Figure 7 53 Now you can see system begins download and the download button becomes stop button You can click it to terminate current operation At the bo...

Страница 117: ...ownload by file Select the file s and then click download button Download by time Download the recorded file s within your specified period Download Select the file you need multiple choices and then...

Страница 118: ...ay Figure 7 56 7 5 Alarm Click alarm function you can see an interface is shown as in X483H483H483H425HFigure 7 57X Here you can set device alarm type and alarm sound setup Playback device IP address...

Страница 119: ...ripheral device alarms Alarm Type External alarm Alarm input device sends out alarm Listen alarm System notifies web when alarm occurs you select from the above event type and then web can notify user...

Страница 120: ...27HFigure 7 59X You need to input user name and password to login again Figure 7 59 7 8 Un install Web Control You can use web un install tool uninstall web bat to un install web control Please note b...

Страница 121: ...121 8 Professional Surveillance System Besides Web you can use our Professional Surveillance Software PSS to login the device For detailed information please refer to PSS user s manual...

Страница 122: ...too much dust z Hardware malfunction 3 System can not detect hard disk There are following possibilities z HDD is broken z HDD ribbon is damaged z HDD cable connection is loose z Main board SATA port...

Страница 123: ...ower picker z It is not a power acoustics z Audio cable is damaged z DVR hardware malfunctions 9 There is audio when monitor but there is no audio when system playback There are following possibilitie...

Страница 124: ...1 or higher Please upgrade display card driver z Network connection error z Network setup error z Password or user name is invalid z Client end is not compatible with DVR program 14 There is only mosa...

Страница 125: ...arm setup is not correct z Alarm cable connection is not correct z Alarm input signal is not correct z There are two loops connect to one alarm device 20 Remote control does not work There are followi...

Страница 126: ...le exe or ffdshow 2004 1012 exe in Windows XP OS 23 Forget local menu operation password or network password Please contact your local service engineer or our sales person for help We can guide you to...

Страница 127: ...capacity i m which is storage of each channel needed unit Mbyte i m i q i h i D 2 In the formula i h means the recording time for each day hour i D means number of days for which the video shall be k...

Страница 128: ...uzer Freedom 1G Sandisk Cruzer Freedom 2G Kingston DataTraveler 1G Kingston DataTraveler 2G Kingston DataTraveler 1G Kingston DataTraveler 2G Maxell USB Flash Stick 128M Maxell USB Flash Stick 256M Ma...

Страница 129: ...racy of the table below And you can use the USB cable with the model recommended to set USB burner Manufacturer Model Port Type Type Sony DRX S50U USB DVD RW Sony DRX S70U USB DVD RW Sony AW G170S SAT...

Страница 130: ...SATA Seagate Barracuda 7200 11 ST31500341AS 1 5T SATA Seagate Pipeline HD 2 ST3320311CS 350G SATA Seagate SV35 2 ST3160815SV 160G SATA Seagate SV35 2 ST3250310SV 250G SATA Seagate SV35 2 ST3320620SV...

Страница 131: ...igital Cariar SE16 WD4000KD2 400G SATA Western Digital Cariar SE16 WD3200KS2 320G SATA Western Digital Cariar SE16 WD2500KS2 250G SATA Western Digital RE series WD5000ABYS 500G SATA Western Digital Ca...

Страница 132: ...22 inch wide screen LENOVO CRT LXB FD17069HB 17 inch LENOVO CRT LXB HF769A 17 inch LENOVO CRT LX GJ556D 17 inch Samsung LCD 2494HS 24 inch Samsung LCD P2350 23 inch Samsung LCD P2250 22 inch Samsung...

Страница 133: ...ng transmission cable device ground and etc There shall be comprehensive management and the measures shall be scientific reliable practical and economic Considering the high voltage during the inducti...

Страница 134: ...structure and performance The following are some successfully experience from our past work One point ground In the following figure you can see there is a one point ground This connection provides co...

Страница 135: ...ering the earthing you need to think about two aspects The first is the system compatibility and the other is the external interference coupling into the earth circuit which results in system error Fo...

Страница 136: ...ng figure There is a shortcut way to check these thee cables connection are standard or not not the accurate check Importance In the following operations the multimeter range shall be at 750V For E ea...

Страница 137: ...one hand to hold the metal end and then the other hand insert the pen to the N port of the socket See the following figure If the multimeter shows 0 then you can see current N cable connection is stan...

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