ELRO EL430DVR Installation & Operating Manual
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ELRO EL430DVR Installation & Operating Manual

ELRO EL430DVR Installation & Operating Manual

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EL430DVR INSTALLATION/OPERATING MANUAL
CAUTION:
Do not place heavy objects on top of the product.
Do not drop any hard objects or allow liquid to penetrate into the unit.
Regularly brush off dust on the circuit board, connectors, fans and DVR case. Turn off the power and
unplug the product before cleaning.
Do not attempt to disassemble or repair the unit or replace parts yourself.
Operating Environment:
Keep and use the product at temperatures between 0 °C ~40 °C. Keep it away from direct sunlight
or heat sources.
Do not install the unit in a humid environment.
Do not expose the product to a smoky or dusty area.
Avoid serious collision. Do not drop the device.
Install the product on a stable and level surface to prevent the device from falling.
Ensure the location planned for DVR installation is well ventilated. Do not block any openings.
Use the product only within the range of rated input/output.
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Summary of Contents for ELRO EL430DVR

  • Page 1 EL430DVR INSTALLATION/OPERATING MANUAL CAUTION: Do not place heavy objects on top of the product. Do not drop any hard objects or allow liquid to penetrate into the unit. Regularly brush off dust on the circuit board, connectors, fans and DVR case. Turn off the power and unplug the product before cleaning.

  • Page 2: Table Of Contents

    Table of Contents Chapter 1 Introduction ............................. 4 1.1 Product Overview ............................4 1.2 Main Features ..............................4 Chapter 2 Unpacking Inspection and Cable Connections ................. 7 2.1 Unpacking ..............................7 Rack mount ..............................7 Front Panel ..............................8 Connection Diagram ............................. 9 Audio/Video IO Connections ........................
  • Page 3 4.4 System Settings ............................40 4.4.1 General Settings ........................... 41 4.4.2 Encoding Settings ........................42 4.4.3 Network Settings........................44 4.4.4 Network Service..........................45 4.4.5 Output Mode ..........................51 4.4.6 PTZ Settings ..........................52 4.4.7 Serial Port Settings ........................53 4.4.8 Auto Sequence Settings ......................53 4.5 Management Tools ............................

  • Page 4: Chapter 1 Introduction

    Chapter 1 Introduction 1.1 Product Overview This device is an excellent digital surveillance product specially designed for security monitoring. The system is more stable with embedded LINUX OS, using standard H.264MP video compression and unique spatial-temporal reasoning to achieve synchronized high definition and low bit rate audio/video monitoring.
  • Page 5 ·Backup through SATA interface and USB interface（to devices such as flash drive or removable hard disk） ·Live disk burning, backup burning ·Local archiving by downloading files on hard drives via network to client’s PC Video playback ·Each channel records all-live video independently while simultaneously providing retrieval, playback, network monitoring, recording search and downloading ·Various playback modes, simultaneous multi-channel playback, and combination of any desired channels.
  • Page 6 ·Keyboard operation ·Quick copy-paste function to clone same settings in the menu Other features ·2 X 12V power outputs ·Timer Page 6...

  • Page 7: Chapter 2 Unpacking Inspection And Cable Connections

    Chapter 2 Unpacking Inspection and Cable Connections 2.1 Unpacking When you receive the product, first inspect the package for visible damage. The protective packing materials used for the product can handle most accidental shocks and impacts during transport. Then, take out the device, remove protective film from the DVR, and inspect the product for any visible sign of damage.

  • Page 8: Front Panel

    units to the rack. Front Panel (1) Power indicator (2) Remote receiving indicator (3) ESC (4) Arrow keys （5） IR Functions of front panel buttons Button Functions Mark Name Move the cursor Increase or decrease numbers in edit frame Change settings in drop-down menu Access channel 1 or channel 4 for single-screen view in surveillance screen.

  • Page 9: Connection Diagram

    Connection Diagram (1)Video input (2)Video output (3)Audio output (4)Audio input (5)USB interface (6)Network interface (7) VGA interface (8)Power input Audio/Video IO Connections 2.5.1 Connect Video Input The DVR has BNC video input connectors. Signal requirements：PAL/NTSC BNC（1.0V，75Ω） 。 Video signal should conform to the national standards with a higher signal-to-noise ratio, low distortion and low interference;...

  • Page 10: Selection And Connection Of Video Output Devices

    Signal lines and shielded cables should have tight connections. Avoid false soldering and prevent oxidation of the solder connection surface. 2.5.2 Selection and Connection of Video Output Devices , 75Ω) video output and VGA output exist （ They can operate PAL/NTSC BNC (1.0V simultaneously）...
  • Page 11 4、 Adjust the layouts of pickups and speakers to reduce the occurrence of whistling. ３.Connections to PTZ A. The PTZ decoder must share a common ground with the DVR or possible presence of common-mode voltage may cause you to lose control of the PTZ. We recommend shielded twisted pair cable with its overall shield being used for common ground;...

  • Page 12: Chapter 3 Basic Operation

    Chapter 3 Basic Operation Note：Grayed out button means the function is not supported 3.1 Turn Power On Connect the unit to a suitable power outlet before turning on the power switch on the rear panel. Power indicator light is on and DVR starts booting. When the booting is finished, a “beep”...

  • Page 13: Log In

    replacing batteries. The DVR uses button batteries. You need to check the system time periodically. Batteries need be replaced when the time becomes inaccurate, we recommend replacing batteries of the same type once every year. Note: Save the configuration before replacing batteries on the motherboard or the configuration information will be lost.

  • Page 14: Desktop Quick Launch

    Each preview screen can show date, time, channel name, monitoring channel playback and alarm status. Recording Video loss Motion detected Camera lock Table 3.1 Preview Symbols 3.5 Desktop Quick Launch In Preview mode, right click the mouse to pop-up Quick Launch menu as shown in Figure 3.2.

  • Page 15: Video Playback

    Figure 3.3 Main Menu 3.5.2 Video Playback Playback video files on the hard drives. Playback page is accessible by either using desktop quick launch or entering 【Main Menu】>【Recording Functions】>【Video Playback】. Note: For normal playback, the hard drive containing the file must be set up as read/write or read-only (refer to 4.5.1 Hard Drive Management).
  • Page 16 Figure 4 Video Playback Operating Recording Type Playback Control Progress Bar Option Prompt File Search Channel Selection Date Selection Toggle between time and file mode File Information Time Inquiry Storage Device Selection File List Descriptions of Table【Playback Control】please see below: 【File List】displays all files match the search criteria；...
  • Page 17 Figure 3.5 Storage Device Check Detect: Detect storage devices connected to the unit. It could be USB flash drives or hard drives. Erase: Select the devices you wish to clean up. Click Erase to delete files on the devices. Stop: Stop the backup; Backup: Click Backup to show the dialog as Figure 3.6.
  • Page 18 【File Search】Search for records based on the specified search criteria； Figure 3.7 File Search File Type: Select the type of files to be played back; Hard Drive Selection: Select the type of storage device; Channel: Choose the channel number for playback. “All” means all channels; Start time: Specify the start time of the record being searched.

  • Page 19: Recording Control

    Playback button directly to perform Accurate Playback of the record searched; Zoom In: When performing single-screen full screen playback, left click the mouse to select any area on the screen. Left click the mouse again within the selected area to playback in zoom-in mode. Right click the mouse to exit zoom-in.

  • Page 20: Ptz Control

    Figure 3.9 Alarm Output 【Configuration】Generates alarm signals in accordance with the configuration； 【Manual】Regardless of the current status of the channel, selecting “Manual” will generate alarm signals on the corresponding channel； 【STOP】Regardless of the current status of the channel, selecting “STOP” will stop the output of alarm signals on the corresponding channel.
  • Page 21 【Step length】Determine the rotating range of the PTZ. The larger the setting, the longer the step length. Setting range：1 ~ 8 ； 【Zoom】Use keys to adjust camera magnification； 【Focus】Use keys to adjust camera zoom focus； 【Aperture】Use keys to adjust camera aperture； 【Direction Control】Control the rotation of the PTZ.
  • Page 22 Preset input Preset Position Figure 3.11 Preset position setup 2）Preset position call-up In Figure 3.10, click Page Switch button to enter PTZ control interface as shown in Figure 3.12. Enter the number of the preset in Value Input Box. Click Preset Position to rotate the PTZ to the corresponding preset position.
  • Page 23 preset points selected for patrol; (You may add or delete preset points after finishing the patrol route setup) Step 3: Repeat Steps 1 and 2 until the desired patrol route includes all preset points. Del Preset: Enter the preset value, click Del Preset button to clear the setting for preset points. Clear Patrol Route: Enter the patrol route number, click Clear Patrol Route button to clear all point settings along the patrol route.
  • Page 24 Trace value input box Trace Figure 3.14 Trace Setup 2) Trace call-up In Figure 3.10, click Page Switch button to enter PTZ control interface as shown in Figure 3.12. Click Trace button and enter trace number in Value Input box. PTZ will operate following the route setup.
  • Page 25 Left/Right Boundary Settings Boundary Line Scan Figure 3.15 Set up line scan boundary 2) Line Scan Call Up In Figure 3.10, click Page Switch button to open the PTZ control interface as shown in Figure 3.12. Click Line Scan button. PTZ will rotate repeatedly following the route set up. Click Stop key to terminate the line scan.

  • Page 26: Image Color

    Figure 3.16 Auxiliary Feature Control 【Direct-View Auxiliary Operation】Select the auxiliary device and On/Off switch to operate; 【Auxiliary Number Operation】Operate the corresponding On/Off switch in accordance with PTZ protocols; 【Page Switch】In Figure 3.16, click Page Switch to enter Figure 3.10. Access the PTZ menu to make changes using the available control keys.

  • Page 27: System Shutdown

    Figure 3.19 TV Tuning 3.5.8 System Shutdown To Log off, shutdown, or restart the system, open the System Shutdown interface through the desktop quick launch menu or selecting in 【Main Menu】. Figure 3.20 Shut down the system 【Log Out】Exit the menu. Need to re-enter the password on the next visit； 【Shut Down】Exit the system and turn off the power；...

  • Page 28: Chapter 4 Main Menu

    Chapter 4 Main Menu 4.1 Main Menu Navigation Main Menu Submenu Feature Overview Recording Set up configuration, type, and time periods for recording on settings each channel Image Set up configuration, type, and time periods for snapshot on Record Storage each channel Playback Video search, playback, and save...
  • Page 29 Set parameters of main code and sub-code streaming for Encoding each channel: Encoding mode, Resolution, FPS, Stream Settings control, Image definition type, Stream value, I-frame interval, and Video/Audio enabling Network Set basic network parameters, parameters of DHCP and Settings DNS, High-speed network download Network PPPOE, NTP, Email, IP access rights, DDNS, mobile phone Service...

  • Page 30: Video Recording Functions

    System Upgrade through external device (eg. USB) Upgrade Hard Drive Show HD size, recording duration Information Stream Show stream information System Statistics Information Events can be searched by video recording log and time log. The log information can all be cleared. Version Show current version information Information...
  • Page 31 Figure 4.1 Recording Settings 【Channel】Select proper channel for Channel Setup. Choose ALL if applying the settings to all channels; 【Redundancy】Select redundancy function to have dual backups of the video files, i.e. record the video to both hard drives simultaneously. The DVR needs have two hard drives installed with one set as the read/write disk and the other as redundant disk (refer to Chapter 4.5.1 Hard Drive Management for more details);...

  • Page 32: Image Storage

    marked "R"; Detect: During specified time range, trigger “motion detection”, “video masking”, and “video loss” alarm signals. The corresponding alarm settings will turn on the recording function and start test recording. The type of video file is marked “M”; Alarm: In specified time period, trigger the external alarm signal. "Alarm Input” setting will turn on the recording function and start test recording.

  • Page 33: Video Playback

    【Record】Set recording status. There are three statuses: Configured, manual, and off； Schedule: Snap in accordance to the recording types (general, test and alarm) and defined time period; Manual: Regardless the current status of the channel, select “Manual” will start general snapshot on corresponding channels；...
  • Page 34 Figure 4.3 Storage Device Check Detect: Detect storage devices connected to the unit. It could be USB flash drives or hard drives. Erase: Select the devices you wish to clean up. Click Erase to delete files on the devices. Stop: Stop the backup; Backup: Click Backup to show the dialog as Figure 4.3.

  • Page 35: Alarm

    4.3 Alarm Functions of DVR in alarm operation include: motion detection, video masking, video loss, alarm input, alarm output, exception handling. 4.3.1 Motion Detection Through video image analysis, when the system detects motion signals with the preset sensitivity, the motion detection alarm will be triggered and activate corresponding functions. Note: Advanced key is the same as the right mouse button.
  • Page 36 Figure 4.5 Set Area 【Arm/Disarm Schedule】 DVR triggers motion detection alarm signal only during the time periods set up as in Figure 4.6. Recording can be scheduled weekly or in a general calendar. Each day is divided into four time sections. The time range will take effect only if the checkbox ■ before the time range is ticked.

  • Page 37: Video Masking

    selected channel will start single-screen auto sequence preview. The interval for auto sequence is defined in 【System Settings】>【Auto Sequence Settings】 ； 【Snapshot】Select the desired recording channel (Can be ticked). When alarm is triggered, the system will activate a snapshot signal on that channel； Note: To perform the corresponding snapshooting, it requires the settings in 【Record Settings】...

  • Page 38: Video Loss

    Figure 4.8 Video Masking To set: refer to Chapter 4.3.1 Motion Detection. 4.3.3 Video Loss When DVR is unable to receive a channel video signal, it will activate the video loss alarm and coordinate functions. Note: Advanced key is the same as the right mouse button. Figure 4.9 Video Loss To set: refer to Chapter 4.3.1 Motion Detection.

  • Page 39: Alarm Input

    4.3.4 Alarm Input When DVR receives the alarm signal from external alarm devices, it triggers the defined alarm functions. Note: Advanced key is the same as the right mouse button. Figure 4.10 Alarm Input To set: refer to Chapter 4.3.1 Motion Detection. 4.3.5 Alarm Output See Chapter 3.5.4 Alarm Output 4.3.6 Exception Handling...

  • Page 40: System Settings

    Figure 4.11 Exception Handling 【Event Type】 Select the exceptional event in the drop-down list for testing 【Enable】Highlight ■ to enable Exception Handling function. Settings can only be activated after Enable is ticked; 【Screen Prompt】The on-screen alarm information prompt pops up on local display； 【Buzzer】...

  • Page 41: General Settings

    4.4.1 General Settings Figure 4.12 General Settings 【System Time】Set DVR’s current system date and time； 【Date Format】Select the date display format: Y/M/D, M/D/Y, or D/M/Y； 【Date Separator】Select the separators in the date format； 【Time Format】Select 24 hour or 12 hour time format； 【Language】Currently support 14 languages：English, Finnish, French, German, Greek, Italian, Japanese, Polish, Portuguese, Russian, Spanish, Thai, Chinese, and traditional Chinese...

  • Page 42: Encoding Settings

    Figure 4.13 Daylight Saving Time Settings (by Week) Figure 4.14 Daylight Saving Time Settings (by Date) 4.4.2 Encoding Settings Set video/audio encoding parameters, including image parameters for video files and remote monitoring. Set encoding settings of each independent channel in the left section and parameters for sub-coding stream in the right side section.
  • Page 43 Figure 4.15 Encoding Settings Independent Channel Encoding Settings 【Channel】Select Channel No.； 【Compression】Standard H.264MP； 【Resolution】Show resolution types in D1/HD1/CIF/QCIF； 【Frame Rate】Adjustable. Real-time video standards： PAL – 25FTP, NTSC – 30FTP； 【Frame Rate (FPS)】May limit code stream. Variable stream. Under variable stream, 6 levels of image quality are available for selection;...

  • Page 44: Network Settings

    4.4.3 Network Settings Figure 4.16 Network Settings 【Net Card】May choose from wired or wireless network cards； 【Obtain IP Address Automatically】Obtain IP address automatically (not recommended)； Note: Installation of DHCP server is required in advance 【IP Address】Set DVR’s IP address. Default IP address： 192.168.1.10； 【Subnet Mask】Set subnet mask.

  • Page 45: Network Service

    4.4.4 Network Service Configure advanced network functions. Select Network Service options and click Settings or double click a service option to configure the parameters. 4.17 Network Service 【PPPoE Settings】 Figure 4.18 PPPOE Enter PPPoE user ID and password provided by ISP（Internet Service Provider）. Save and restart the system.
  • Page 46 Figure 4.19 NTP Settings Need to install NTP service on local PC. Server IP: Enter the IP address of the PC on which the NTP server is installed; Port: The default NTP port is 123. It may be set using the actual NTP server port settings; Time Zone: London GMT+0 Berlin GMT +1 Cairo GMT +2 Moscow GMT +3 New Delhi GMT +5 Bangkok GMT +7 HK/Beijing GMT +8 Tokyo GMT +9 Sydney GMT +10 Hawaii GMT-10...
  • Page 47 4.20 EMAIL Settings SMTP Server：Email server address which could be an IP address or a domain name (a domain name can only be identified after the confirmation of the correct DNS settings) Port：Email server port number； SSL：Whether the server requires SSL (Secure Socket Layer）encryption to log in； User Name: The email server user name you applied for;...
  • Page 48 Figure 4.22 DDNS Settings Identify server using dynamic domain name. Local Domain Name：The domain name registered with DDNS service provider； Server Domain Name：The domain name of the DDNS； Port：DDNS access port number； User Name：The account name registered with DDNS service provider； Password：The account password registered with DDNS service provider；...
  • Page 49 Figure 4.23 FTP Settings 【Enable】：Highlight ■ to enable the settings； 【Server IP】 ：IP address for the FTP server 【Port】 ：FTP port number. The default port is 【User Name】 ：Permitted FTP user name 【Password】 ：Corresponding user password 【Maximum File Length】 ：The maximum size of each uploading file pack. The default is 128M 【Remote Directory】...
  • Page 50 Figure 4.25 Mobile Monitoring Settings 【Enable】 Highlight ■ to enable the mobile monitoring function. Settings can only be activated after you tick Enable; 【Port】 Mobile monitoring port number. To access DVR using mobile device, map the port number on the router 【UPnP】...

  • Page 51: Output Mode

    【MobilePort】 ：Router will automatically assign a port number to the device. Mobile monitoring is implemented through this port 4.4.5 Output Mode Configure the parameters for video output signals, including pre-output mode and encoded output mode. Pre-output: Picture mode for local preview, including channel name, time title, channel title, recording status, alarm status, video streaming, transparency, area coverage;...

  • Page 52: Ptz Settings

    【Transparency】Select the transparency of the background image ranging from 128~255； 【Resolution】Set display resolution； 【Channel】Select channel number to set encoded output； 【Region Cover】Highlight . Select Area Coverage number button and click Set button to enter the corresponding channel. User can use the mouse to choose coverage area of any size (covered areas for video output are displayed as dark blocks）...

  • Page 53: Serial Port Settings

    【Parity】Includes odd parity, even parity, parity flag, none parity. The default is None. 4.4.7 Serial Port Settings Figure 4.29 Serial Port Settings 【Function】 Ordinary serial port is used for serial debug and upgrade, as well as certain serial port peripherals； 【Baud Rate】Select the appropriate baud rate length；...

  • Page 54: Management Tools

    Figure 4.30 Auto Sequence Settings 【Interval】Set time interval for auto sequence screen switch. Setting range is 5-120 seconds； 【Return AfterFinnished】When alarm ends, return to multi-screen preview Note：In preview mode, click the icons on upper right corner of the page to turn on/off the auto sequence（...

  • Page 55: User Management

    Figure 4.31 Hard Drive Managment 4.5.2 User Management Manage local user permissions. Note: 1. All of the below user names and group names may have a maximum of 8 characters. The beginning and the end of the string cannot be left blank while spaces are allowed between characters.
  • Page 56 Figure 4.32 User Management 【Modify User】Modify the attributes of an existing user； 【Modify Group】Modify the attributes of an existing user group； 【Modify Password】Modify user password. Password can be set to 1-6 letters. The beginning and end of the password cannot be left blank while spaces are allowed between letters.
  • Page 57 shared. Shared means that the account can be used by multiple users simultaneously. Once the belonging group is selected, the user permission can only be a subset of that group. It can not overpass the permission attribute of the group. For the convenience of user management, we recommend setting the permission for regular users at a lower level than for advanced users.

  • Page 58: Online User

    Figure 4.35 Add Group 【Delete User】Delete existing user. In Figure 4.29, select the user to be deleted. Click Delete User button; 【Delete Group】 Delete existing group（make sure there is no user in the group）. In Figure 4.29, click Delete Group button to show Figure 4.33. Select the group to be deleted and click Delete button. Figure 4.36 Delete Group 4.5.3 Online User View information on the network users connected to the local DVR.

  • Page 59: Output Adjustment

    4.5.4 Output Adjustment Same as “3.5.7 Output Adjustment”. 4.5.5 Auto Maintenance User can set their own schedule to automatically restart the system and delete the files with set time limit. Figure 4.38 Auto Maintenance 【Auto On/Off Time】 ：Set timer to automatically turn on and off the DVR. 4.5.6 Restore Default Restore the system to factory default configuration (may select in the menu specific items that need be restored).

  • Page 60: System Upgrade

    Figure 4.39 Restore Default 4.5.7 System Upgrade Figure 4.40 System Upgrade 【Upgrade Position】Select USB interface； 【Upgrade File】Select the file being upgraded. 4.5.8 Device Information Provide device information on DVR interface for clients' convenience Page 60...

  • Page 61: System Information

    Figure 4.41 Device Information 4.6 System Information Display DVR information on: Hard drive, Streaming statistics, Log, and Version Information. 4.6.1 Hard Drive Information Display the status of the installed hard disk, including the types of the disks, aggregate size, free space, and recording time.

  • Page 62: Stream Statistics

    An asterisk “*” after the disk number indicates that it is the current work disk (e.g., 1*). If the corresponding disk is damaged, there will be only "?" marks in the information. 4.6.2 Stream Statistics Live display video stream (Kb/S) on the channel and disk space used (MB/H). The oscillogram demonstrates the change in streaming.

  • Page 63: Version Information

    Figure 4.44 Log 4.6.4 Version Information Show basic information on the device, including hardware information, software version and release time. Figure 4.45 Version Information Page 63...

  • Page 64: System Shutdown

    4.7 System Shutdown See Chapter “3.5.8 System Shutdown”. Page 64...

  • Page 65: Chapter 5 Faq And Maintenance

    Chapter 5 FAQ and Maintenance 5.1 FAQ If you encounter a problem not listed below, please contact your local customer service or call our headquarters for assistance. We are more than happy to assist. 1、 Q: DVR will not start after power-on A: Possible cause: Input power is not correct Switching power supply has bad wire connection...
  • Page 66 4、 Q: No video output on one or more channels A: Possible cause: Program not compatible. Re-upgrade with right program Image brightness becomes 0. Restore default settings No video signal input or signal too weak Has channel privacy mask (or screen view blocker) set up DVR hardware failure 5、...
  • Page 67 8、 Q: No sound in monitoring A: Possible cause: Not equipped with active pickups Speakers not switched on Audio cable damaged DVR hardware failure 9、 Q: Audio in monitoring but none in playback A: Possible cause: Setup error: audio option is not turned on Corresponding channel is not connected to video.
  • Page 68 Time period settings are not correct Incorrect settings for motion detecting areas Sensitivity sets too low Hardware of certain versions have limits 13、 Q: Cannot log in from client end or through WEB A: Possible cause: Client cannot install or normally display whether the OS is Win98 or Win me: recommend upgrading to version Win2000 SP4 or higher, or installing an earlier version of the customer software.
  • Page 69 A: Possible cause: Burner shares the same cable with hard drive Excessive amount of date occupies too much CPU resource. Stop recording before backup The amount of data exceeds the device capacity and results in burn error Incompatible backup device Backup device damaged 17、...

  • Page 70: Maintenance

    Remote control or DVR front panel is damaged 21、 Q: Saved recording is short A: Possible cause: Excessive streaming due to poor quality of front-end camera, dirty lens, camera installed in backlight, or incorrect aperture adjustment Insufficient hard drive capacity Damaged hard drive 22、...
  • Page 71 Do not turn off the power switch to shutdown the DVR. Use the shutdown function in the menu, or on/off button on the front panel (hold it down for 3 seconds) to turn off the DVR power automatically and prevent damage to the hard drive. Keep the DVR away from heat sources or hot lplaces.

  • Page 72: Appendix 1. Mouse Operations

    Appendix 1. Mouse Operations *This document uses the mouse with a right-handed configuration as an example* This device supports a mouse with USB interface. Operation Functions During playback, double click a file in the video list to replay. Left double Double click on the playback image to zoom in or out of the screen click During preview, double click a channel to display it in full screen.

  • Page 73: Appendix 2. Hard Drive Capacity Calculation

    Appendix 2. Hard Drive Capacity Calculation When installing the DVR for the first time, make sure whether the DVR has internal hard drives mounted. Pay attention to the jumper when installing an IDE hard disk; 1、 Hard disk capacity The DVR sets no limit on hard disk capacity. Choose a disk 10G or more. For better operation stability, we recommend the use of hard disks ranging from 120G~250G.

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