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.
Table of Contents Chapter 1 Introduction ............................................................................................................................................. 4 1.1 Product Overview ......................................................................................................................................... 4 1.2 Main Features................................................................................................................................................
4.4 System Settings ........................................................................................................................................... 40 4.4.1 General Settings ........................................................................................................................... 41 4.4.2 Encoding Settings ........................................................................................................................ 42 4.4.3 Network Settings.............................
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. With TCP/IP network technologies, it has ideally suited to remote data transmission and operation control via web applications.
·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.
·Keyboard operation ·Quick copy-paste function to clone same settings in the menu Other features ·2 X 12V power outputs ·Timer Page 6
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. Finally, open the case to check for loose connections to front panel data cables, power cord, power supply to fans and motherboard.
units to the rack. 2.3 Front Panel (1) Power indicator (2) Remote receiving indicator (3) ESC (4) Arrow keys （5） IR Functions of front panel buttons No. Button Name Functions Mark 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.
2.4 Connection Diagram (1)Video input (5)USB interface (8)Power input (2)Video output (3)Audio output (6)Network interface (4)Audio input (7) VGA interface 2.5 Audio/Video IO Connections 2.5.1 Connect Video Input The DVR has BNC video input connectors. Signal requirements：PAL/NTSC BNC（1.
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 PAL/NTSC BNC (1.0VP-P, 75Ω) video output and VGA output exist （ They can operate simultaneously） When using a computer monitor as an alternative surveillance display, pay attention to the following: 1.
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; B. Prevent against high-voltage power surge. Wire cables must be able to protect equipment from lightning C.
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” is heard. Multi-screen is the default video output mode. If the unit is turned on within the scheduled recording time period, the system will start scheduled recording automatically.
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. 3.3 Log in After normal start-up, the operator is asked to log in. The system will provide corresponding functions based on user permissions.
Each preview screen can show date, time, channel name, monitoring channel playback and alarm status. 1 Recording 3 Video loss 2 Motion detected 4 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. Quick Launch menu includes: Main Menu, PlayBack, Recorde Mode, Alarm output, Highspeed PTZ, PTZ Control, Color Setting, Output adjust, System shutdown, and Screen switch. Figure 3.
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).
Figure 4 Video Playback Playback Control Operating Recording Type Progress Bar Option Prompt Toggle between time and file mode Storage Device Selection File Search Channel Selection File Information File List Date Selection Time Inquiry Descriptions of Table【Playback Control】please see below: 【File List】displays all files match the search criteria； 【File Information】Show details of selected files； 【File Backup】Backup files ticked. Click the button to show the screen as Figure 3.
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. Backup can be setup based on file type, channel, or time. Figure 3.
【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. End time: Specify the end time of the record being searched.
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. 3.5.3 Recording Control Control recording on each channel. Highlighted “●” indicates the current recording status of the channel.
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. 3.5.5 PTZ Control Control Pan/Tilt/Zoom connected to the device. Use desktop quick launch to enter the menu.
【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. Support controls in 8 directions（front panel supports only 4 directions） ； 【High Speed PTZ】After selection, the selected channel displays full-screen.
Preset Preset Position box input 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. Value input box Figure 3.12 PTZ Control 2. Point-to-Point Patrol Connect multiple preset positions to construct a patrol route.
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. Preset input box Point-to-Point Patrol route Patrol input box Figure 3.
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. Click arrow keys to stop. 4. Boundary Line Scanning Set up a horizontal route and call up line scan to have PTZ run repeatedly on given route.
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. 5. Horizontal Rotation Click Horizontal Rotation button to horizontally rotate the PTZ (relative to the camera's original position). Click Stop key to terminate the rotation. 6.
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. 3.5.6 Image Color Access the interface through the desktop quick launch menu.
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； After press the Shut Down key, a progress bar pops up for shutdown confirmation. Shutdown will be executed in 3 seconds unless it’s cancelled.
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 Image Record each channel Set up configuration, type, and time periods for snapshot on Storage each channel Playback Video search, playback, and save Backup Check and format backup devices.
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 monitoring, FTP, wireless call in, UPNP, simple DDNS Name channels, set up preview prompt status, transparency,
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. Log The log information can all be cleared. Version Show current version information Information System Execute log off, shutdown, and restart Shutdown 4.
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); 【Length】Set the time duration of each video file.
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. The type of video file is marked “A”.
【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； Stop: Regardless the current status of the channel, select “Stop” will stop snapshooting on the corresponding channels； 【Time Period】Set time period for general recording.
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. Backup can be setup based on file type, channel, or time. Figure 4.
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. Figure 4.
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. Figure 4.
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).
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.
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 Analyze and test certain hardware and software in current system. When detecting exceptional events, the unit makes corresponding responses such as screen prompt, buzzer beep, etc.
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】 The device generates two long buzzer beeps when the alarm sounds. 4.
4.4.1 General Settings Figure 4.
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.
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; 【Bit Rate type】Set Bit Rate to change picture quality.
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. Default subnet mask settings：255.255.255.0； 【 Gateway】Set Default Gateway for the device. Default setting：192.168.1.
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. After restart, DVR will automatically connect the network using PPPoE.
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.
4.
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； After the DDNS is successfully configured and enabled, you may access the DVR by entering your registered domain name directly in the IE address bar.
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 21 【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】 ：Directory of the uploading files 【Mobile Monitoring Settings】 To access DVR using mobile phone, map the port on the router.
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】 UPnP protocol automatically forwards port mapping on the router. When using the function, make sure that the UPnP on the router is enabled. Figure 4.26 UPnP Settings 【Enable】Highlight ■ to enable the UPnP function.
【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.
【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） ； 【Time Display】 and 【Channel Title】 set the display position for Time Title and Channel Title.
【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； 【Data Bits】Available options: 5-8； 【Stop Bits】Two options are 1 and 2； 【Parity】Includes odd parity, even parity, parity flag, none parity. 4.4.
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 auto sequence（ / on upper right corner of the page to turn on/off the indicates the auto sequence is on, and indicates off）. 4.
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. Legitimate characters: Alphabet letters, numbers, underscores, hyphens, and dots. Other characters are not allowed; 2. There are no limit to the number of users and groups.
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. Note: User with administrator rights is able to change not only his own password but also other users' passwords. Figure 4.
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. Figure 4.34 Add User 【Add Group】Add a new user group and set group permissions as shown in Figure 4.32.
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. You may also disconnect the selected network users（by tick √ in checkbox).
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).
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.
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. Figure 4.42 Hard Drive Information Tip: In Hard Drive Information, ○ means the disk works properly, X indicates a failure, and – means not installed.
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. Figure 4.43 Stream Statistics 4.6.3 Log View system log based on the search method setup.
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.
4.7 System Shutdown See Chapter “3.5.8 System Shutdown”.
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.
4、 Q: No video output on one or more channels A: Possible cause: 5、 1 Program not compatible. Re-upgrade with right program 2 Image brightness becomes 0. Restore default settings 3 No video signal input or signal too weak 4 Has channel privacy mask (or screen view blocker) set up 5 DVR hardware failure Q: Real-time video problems, such as severe distortion on video color and brightness.
8、 Q: No sound in monitoring A: Possible cause: 9、 1 Not equipped with active pickups 2 Speakers not switched on 3 Audio cable damaged 4 DVR hardware failure Q: Audio in monitoring but none in playback A: Possible cause: 1 Setup error: audio option is not turned on 2 Corresponding channel is not connected to video. Video plays back intermittently with blue screen 10、 Q: Time display is not correct A: Possible cause: 11、 1 Setup wrong.
13、 1 Time period settings are not correct 2 Incorrect settings for motion detecting areas 3 Sensitivity sets too low 4 Hardware of certain versions have limits Q: Cannot log in from client end or through WEB A: Possible cause: 1 Client cannot install or normally display whether the OS is Win98 or Win me: We recommend upgrading to version Win2000 SP4 or higher, or installing an earlier version of the customer software. 14、 2 ActiveX control is disabled 3 Version dx8.
A: Possible cause: 17、 1 Burner shares the same cable with hard drive 2 Excessive amount of date occupies too much CPU resource. Stop recording before backup 3 The amount of data exceeds the device capacity and results in burn error 4 Incompatible backup device 5 Backup device damaged Q: Keyboard cannot control DVR A: Possible cause: 1 DVR serial port settings are incorrect 2 Address incorrect. 3 Insufficient power to support multiple transformers.
4 21、 Remote control or DVR front panel is damaged Q: Saved recording is short A: Possible cause: 1 Excessive streaming due to poor quality of front-end camera, dirty lens, camera installed in backlight, or incorrect aperture adjustment 22、 2 Insufficient hard drive capacity 3 Damaged hard drive Q: Downloaded file will not play A: Possible cause: 1 Media player is not installed 2 No graphic accelerator software version DX8.1 or higher is installed 3 PC does not have DivX503Bundle.
5 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. 6 Keep the DVR away from heat sources or hot lplaces. 7 Keep the area around the DVR well ventilated. Regular system inspection and maintenance are required.
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 click Double click on the playback image to zoom in or out of the screen During preview, double click a channel to display it in full screen.
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.
