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Guardall G-DVR4 User Manual

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Thank you for purchasing Guardall DVR. This manual applies to G-DVR4. Please read it
carefully for the better use of the product.
The contents in this manual are subject to change without notice. Guardall assumes no
responsibility for inaccuracies or omissions and specifically disclaims any losses, or risks incurred
as a consequence, directly or indirectly, of the use of any of the contents of this manual.
DRAFT User Manual
G-DVR 4
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Summary of Contents for Guardall G-DVR4

  • Page 1 DRAFT User Manual G-DVR 4 Thank you for purchasing Guardall DVR. This manual applies to G-DVR4. Please read it carefully for the better use of the product. The contents in this manual are subject to change without notice. Guardall assumes no responsibility for inaccuracies or omissions and specifically disclaims any losses, or risks incurred as a consequence, directly or indirectly, of the use of any of the contents of this manual.

  • Page 2: Table Of Contents

    Index Chapter1 Product Introduction .....................4 Overview........................4 Model Description......................4 Features .........................4 Chapter2 Installation........................6 Checking the DVR and Its Accessories.................6 HDD Installation ......................6 Rear Panel Description....................7 Chapter3 Operating Instructions....................8 Front Panel Introduction ....................8 IR remote control ......................10 Menu Description......................12 3.3.1 Menu Items......................12 3.3.2 Menu Operation ....................13 Input Text ........................15...
  • Page 3 Restore Parameters....................67 Upgrade........................68 Hard Disk Management ....................69 Stop Alarm Out ......................69 Reboot ........................69 Power off........................69 View Log........................69 System Information....................73 Chapter7 Firmware Upgrade ......................74 Upgrade Mode......................74 FTP Server Setup ......................74 Appendix A Mouse Control Function .....................79 Appendix B HDD Capacity Calculation ..................81 Appendix C DVR Connect Cable Definition ..................82 Appendix D Specifications ......................84 Appendix E Troubleshooting ......................85...

  • Page 4: Chapter1 Product Introduction

    TCP/IP. The firmware is burned into the flash, making it more stable and reliable. G-DVR4 series device has the features of both digital video recorder (DVR) and digital video server (DVS). It can be used as a standalone device but also to build a powerful surveillance network which is widely used in the fields of banking, telecommunications, transportation sectors, manufacturing, warehouse, irrigation, etc.
  • Page 5 Playback: & Support one composite video output and one spot video output G-DVR4 can support one VGA output with 1204*768 resolution. Support VGA and VOUT output, VGA has precedence over VOUT, and can not output at the same time. Support play forward, backward, pause, frame-by-frame, etc.

  • Page 6: Chapter2 Installation

    Chapter2 Installation Warning: Before you install the DVR, please make sure that the power of DVR is switched off. 2.1 Checking the DVR and Its Accessories When you get the product, check that all the goods are included in your product package.

  • Page 7: Rear Panel Description

    2.3 Rear Panel Description Fig. 2-1 G-DVR4 Rear panel Note: Please refer to real product. Video in Video out VGA interface Alarm out RS-485 T+ T- R+ R- Power switch USB interface Audio in Audio out 10 UTP interface Alarm in...

  • Page 8: Chapter3 Operating Instructions

    Chapter3 Operating Instructions Front Panel Introduction Fig. 3.1 Front panel introduction Table 3.1 Items on front panel Index Type Name Description Lamp IR receiver. State Power Green means DVR is working; Extinguish means DVR is Lamps powered off; STATUS Green means in SHIFT mode. Tx/Rx Bright means DVR is accessed by IE or Client Software;...
  • Page 9 MENU 1. Switch preview mode to menu; 2. Brush control short key [WIPER]. Function [ZOOM-] in PTZ control. Keys [ZOOM+] in PTZ control. Cancel and back to the menu. EDIT 1. In edit state, delete the current cursor character; 2. [IRIS+] in PTZ control; 3.

  • Page 10: Ir Remote Control

    IR remote control Fig. 3.2 Elevation of IR remote control Table 3.2 Instruction of IR remote control Index Name Description POWER Turnoff device. Enable IR remote control Numeric Keys Same as numeric keys of front panel. EDIT Same as EDIT key of front panel. Same as A key of front panel.
  • Page 11 － Reserved Key for Extension. IRIS, FOCUS ZOOM for lens Lens control control. Key for spot video output. Placing the batteries into the IR remote control 1. Remove the battery cover. 2. Insert the battery. Please make sure that the poles (+ and －) are correctly placed. 3.

  • Page 12: Menu Description

    Menu Description 3.3.1 Menu Items Table 3.3 First Glance at menu Menu Menu Name Function Function Name Device ID Require password Select camera Screen saver Name Video standard Color Display Camera Enable scaler Date OSD Menu transparency Motion Det. Level Date/Time Advanced Settings Preview...

  • Page 13: Menu Operation

    3.3.2 Menu Operation How to enter the menu mode Press [MENU] key to enter the DVR main menu. Press [PLAY] short key to enter the playback menu. Press [REC] short key to enter the manual record menu. Press [PTZ] short key to enter the PTZ control interface. Note: You must input user name and password.
  • Page 14 Fig. 3.4 Camera input adjustment Each menu contains different kinds of items. There is a small rectangular frame named “Active Frame” which is pointing to the selected item. This “Active Frame” can be moved by direction keys ( . There are several kinds of menu items [↑][↓][←][→]) as follows: Check Box: Provides two options, “...

  • Page 15: Input Text

    Input Text In the menu interface, if in edit status (for example, in the “camera name” edit box), at the bottom of screen, the input status is appeared as follow: Here it means you can press numeric keys to input digital number. Press [A] key to change input ways.

  • Page 16: Chapter4 Basic Operation Guide

    Chapter4 Basic Operation Guide 4.1 Power on Note: Please make sure that the power supply matches DVR and AC adapter is connected correctly. Before switching DVR on, please connect one monitor through VOUT or VGA interface. Otherwise, you can not see graphic user interface and operate the device.
  • Page 17 Table 4.1 Camera record Status Icon Icon Color Status Description White No video signal Yellow Video input Pink Manual recording Green Real time recording Blue Motion detect recording External alarm recording Fig. 4.2 Alarm status Table 4.2 Camera alarm status Icon Icon Color Status Description...
  • Page 18 Blue Motion alarm External alarm Press numeric keys to switch individual camera preview in SHIFT mode. For example, you can press [2] key to preview 2 camera. Press [EDIT] key to manual cycle preview. You can set the auto preview mode in “Preview”...

  • Page 19: Video Spot Output

    4.3 Video Spot Output [shift] Make sure that the numeric button is in “function” mode (the status lamp is off) Press button to switch numeric button between “numeric” mode and “function” mode. Step1: Connect Video out 2 with monitor by a cable. Step2: Press [3] to enter the spot out mode.

  • Page 20: Modify Password

    Modify password For those users created by admin, they can modify their passwords as follows Step1: Enter main menu Press [MENU] key, in the login dialog, select your user name, input the correct password, you can enter the main menu. As shown below. Fig.

  • Page 21: Ptz Control

    Fig. 4.6 Modify user’s password Step 3: Input new password Use numeric keys to input new password. The password can be null. It also can be 16 numerals. Press [ENTER] to exit edit box, and move to “Verify” item to verify password.

  • Page 22: Select Channel

    Fig. 4.7 PTZ Control interface The position where current camera name displays can be user-defined. Select channel In PTZ control mode, you can press numeric keys under SHIFT mode to select channel. For example, you can press [2] key to select the 2 camera PTZ.
  • Page 23 In PTZ control mode, press [PLAY/AUTO] key to start PTZ auto function. Press [PLAY/AUTO] key again to stop. When PTZ is in auto mode, if you exit PTZ control mode, PTZ will continue auto function unless you enter the PTZ control mode again, and press [PLAY/AUTO] key to stop.

  • Page 24: Manual Record

    4.6 Manual Record Note: The user must have the corresponding right, DVR has HDD and HDD has been formatted already. Manual record In preview mode, press [REC] key, in the pop-up login dialog, select the name and input the correct password, you can enter the “Manual Record” interface. In menu mode, press [REC] key to enter the “Manual Record”...

  • Page 25: Playback

    PTZ control mode. 4.7 Playback Note: The user must have “Playback” right. Playback interface In preview mode, press [PLAY] key, in the pop-up login dialog, select user name and input correct password, you can enter the “Playback” interface. In menu mode, press [PLAY] key, you can enter the “Playback” interface directly. Shown as Fig.4.9 below (The two screens play back function may be canceled, so the second channel option may not display) Fig.
  • Page 26 the list box. You can use [↑] [↓] keys to move the scroll bar to select file. Backup Devices: You can select USB flash, USB HDD to backup the files or clips. Copy: Start to backup. Backup Today: Backup all recorded files of today. Operation when playback Fig.
  • Page 27 If you playback with a mouse plugged, they interface will be a little different. And you can acquire more functions to operate in the playback course which is shown as Fig.4.11 below. Fig. 4.11 Play back control bar There is an additional bar appears. We call it control bar. Control bar descriptions: : You can click these buttons to skip backward or forward 3% each time.
  • Page 28 : Click these buttons to switch to next or previous playback channels. It is useless if you only record one channel at that time.

  • Page 29: Backup Recorded Files

    4.8 Backup Recorded Files Note: The user must have “Playback” right. Please connect the backup devices before you start to backup. In the playback interface, you can backup the recorded files. In the preview mode, press [PLAY] key, in the login dialog, select username and input the correct password, you can enter the playback interface.

  • Page 30: Shut Down Dvr

    Fig. 4.12 Playback list Step 3: Select backup device Please confirm the backup device: USB flash memory, USB HDD and select the corresponding backup device. Step 4: Start and finish backup Move “Active Frame” to “Save” button and press [ENTER] key to start backup. When backup is started, corresponding message box will pop-up to indicate the process.

  • Page 31: Chapter5 Parameters Setup Guide

    Chapter5 Parameters Setup Guide Only the users who have “Parameters Setup” right need to read this chapter. When the following parameters are modified and saved, you must reboot the DVR to make the new parameters become effective. Others do not need to reboot the device. Any network parameters resolution and record schedule External alarm sensor type...
  • Page 32 Fig. 5.2 User management In the user name list box, only “admin” is existed. You can use [→] key, move “Active Frame” to password edit box, and press [EDIT] key to enter edit status. Press numeric keys to input the new password. The password is only combined by 16 numerals at most.

  • Page 33: Add And Delete User

    5.2 Add and Delete User Enter “User Management” interface. Add user The steps are following: Step 1: Enter “User Management” menu as Fig.5.4 below Please refer to chapter 5.1 Fig. 5.4 user management Step 2: Add new user name In the “User Management” menu, move “Active Frame” to “Add” button and press [ENTER], in the pop-up dialog, input the new user name (refer to chapter 3.4), press [ENTER]and return “User Management”...
  • Page 34 Step 3: Setup the password for new user After you add one new user, the password is null. You can skip this step if you do not want to change the password. In the users list box of “User Management” menu, use [ ] [ ] keys to select the new user name, then use [ ] key to the password edit box.
  • Page 35 “Local”: Local rights are for local operation, such as the operation using front panel, IR remote control and RS-485 interface. PTZ control: Locally control PTZ; Record: Manual start/stop recording; Set parameters Setup: Locally setup the DVR parameters; Log: Locally view the log on DVR; Utilities: Locally upgrade firmware, format HDD, reboot DVR and shut down DVR, etc.

  • Page 36: Unit Name And Device Id

    Fig. 5.7 Delete user Unit Name and Device ID Unit name Enter “Utilities” “System Info” and “Unit Name” will be seen as Fig.5.8 below: Fig. 5.8 System Info There is an item named “Unit Name”. The default unit name is “Embedded Net DVR”.
  • Page 37 Device ID: Fig. 5.9 Display menu When using IR remote control to operate DVR, you must use device ID to select DVR. The default device ID of DVR is “88”. If there are more than one DVR in one place, please define different device ID for each DVR. Otherwise, the IR remote control will control all DVR with the same device ID at the same time.

  • Page 38: Video Output Standard

    5.4 Video Output Standard Video output standard There is one VOUT BNC connector at the rear panel of DVR. It is used to connect with analog monitor and can support PAL or NTSC video output. You can modify video output standard to match video input. In “Display”...

  • Page 39: Camera Name And Osd Setup

    5.5 Camera name and OSD Setup Camera Name In “Camera” menu, you can define name for each camera. Please notice that camera’s name can not be copied. Shown as Fig.5.10 below Fig. 5.10 Input camera number The steps of camera name setup: Step 1: Select one camera.
  • Page 40 OSD settings include: System time, time format, time display position, camera name, camera name display position, etc. System Time In “Display” menu, you can setup DVR system date and time. Move your active frame to “Date/Time setup” item, and press enter. Date Display Mode: Move the active frame to Date Display Mode then press [EDIT] then use [↑] [↓] key to select OSD format.

  • Page 41: Video Parameters Setup

    5.6 Video Parameters Setup For different camera and different background, in order to get the best video image, you need to adjust video parameters such as brightness, saturation, contrast and hue, etc. You can setup the camera individually, and also you can copy the video parameters of one camera to any other cameras.

  • Page 42: Mask Area Setup

    5.7 Mask Area Setup In some cases, maybe you want to mask the sensitive area. This area will not be previewed and recorded. The mask area setup steps are following: Step 1: Enter “Camera” menu: Step 2: Select one camera: You can use [ ] [ ] keys to select one camera. Step 3: Enter “Advanced settings”...
  • Page 43 Here is the example for mask area function. Shown as Fig.5.15 below Fig. 5.15 Area masked Disable the mask check box means cancel the mask area.

  • Page 44: View Tampering Alarm

    5.8 View Tampering Alarm If you enable this function, when someone blocks the camera spitefully, DVR will display warning alarm in the status bar on the screen. Step 1: Enter “Camera” menu: Step 2: Select camera: Please use [ ] [ ] keys to select one camera. And enter “Advanced Settings”.
  • Page 45 one week. Also you can copy the schedule of one day to other days. Note: Time periods can not be repeated. Please reboot DVR to make the parameters become effective. Step 7: Setup alarm policy: If there is view tampering alarm happened in schedule, DVR will response based on the policy.

  • Page 46: Video Loss Alarm

    5.9 Video Loss Alarm When the video cable or camera has something wrong, the video image is lost. If you enable video loss alarm, in such case, DVR will display alarm in the status bar on the screen. Step 1: Enter “Camera” menu: Step 2: Select camera: Use [ ] [ ] keys to select one camera.
  • Page 47 Step 7: Save all cameras: If you want to setup other cameras, please repeat from step2 to step 6. In “Camera” menu, press “Confirm” key to save all cameras parameters. Press “Cancel” button or [ESC] key to abort.

  • Page 48: Motion Detection

    5.10 Motion Detection If you enable this function, when there is motion being detected, DVR will display alarm in the status bar on the screen. Step 1: Enter “Camera” menu: Step 2: Select camera: Use [ ] [ ] key to select one camera after pressing [edit] key.
  • Page 49 defined. Press [A] key to clear all motion areas. Setup multi areas: After you setup one motion area, press [EDIT] key, the yellow pane will appear again, and then you can setup another motion area. Clear part of motion area: Move the yellow pane to the start clear position of motion area, press [EDIT], you will find the yellow pane is turned into black pane.

  • Page 50: Preview

    [EDIT] key to enable the flag into “ ”. Note: In order to make the cameras start recording, in “Recording” menu, you must enable recording schedule and set “Rec Type” as “Motion Detection” or “Motion | Alarm”. Please refer to chapter 5.12 for recording setup. Step 7: Motion alarm schedule: When the motion alarm is happened in schedule, DVR will response such as “On Screen Warning”, “Audible Warning”, “Upload to Center”...
  • Page 51 Fig. 5.20 Setup preview mode Step 2: Preview properties: Preview mode: For preview mode item, you can use [↑] [↓] key to select one mode. If DVR has only 1 channel, you can select only “1 Screen” option. If DVR has 4 channels, there are “1 Screen”...

  • Page 52: Recording Setup

    5.12 Recording Setup In main menu, there is an icon named “Recording”. You can enter recording menu as follows: Fig. 5.21 Recording channel configuration “Recording” menu description: If HDD Full: There are two options: “Overwrite” and “Stop recording”. If you select “Overwrite”...
  • Page 53 Frame Rate: Frame per second. Options are: 25 (PAL)/30 (NTSC) 20, 16, 15， 12, 10, 8, 6, 4, 2, and 1 for low frame rates, you can select low bit rate size. PreRecord Time: When you enable motion detection recording or external alarm recording, you can define prerecord time.
  • Page 54 For “Day” item, there are options: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Use [↑] [↓] keys to select one day. Move “Active Frame” check right side “All Day” item, press[ENTER]or[EDIT]key to enable “All Day” option. “×” means disable and “ ” means enable.

  • Page 55: External Alarm Input And Relay Output

    3) The time periods are between 00:00 and 24:00. 5.13 External Alarm Input and Relay Output For G-DVR4 series DVR, there are 4 alarms in and 1 relay out. In “Alarms” menu, you can setup for each external alarm input.
  • Page 56 Fig. 5.24 Alarm in handling setup Step 4: Alarm trigger record channel setup You can select channels to record for each alarm input. In the sub menu, you can use [ENTER] or [EDIT] key to enable record channel. “×” means disable and “ means enable.
  • Page 57 Move “Active Frame” to “PTZ Linkage” button, press [ENTER] key to enter “PTZ Linkage” setup menu: Shown as Fig.5.25 below Fig. 5.25 PTZ linkage setup First select one camera, and then select one of following PTZ linkages: Preset: Set the flag as “ ” to enable preset, in the preset number edit box and input one preset number that has been setup already.
  • Page 58 Minute, 2 Minutes, 5 Minutes, 10 Minutes and Manual Stop. If you select “Manual’ option, the alarm output will not stop until you press “Clear Alarm” button in “Utilities” menu. So the actual alarm output time is made up of alarm input time and this delay time.
  • Page 59 Fig. 5.27 Exceptions setup Including the following handle methods: Audible Warning: Beeping. Upload to Center: Send exception information to center host PC. Trigger Alarm Output: trigger local relay output. You can select more than one handle methods. After you finish setup, press “Confirm” button to save parameters. Press “Cancel” button or [ESC] key to abort.

  • Page 60: Network Parameters

    5.14 Network Parameters If you want to use network to access DVR, you must setup network parameters. Note: If any network parameter is modified, you must save and reboot DVR to make it become effective. In main menu, move “Active Frame” to “Network” icon and press [ENTER], you can enter “Network”...
  • Page 61 Fig. 5.29 Advanced network setup Advanced setup descriptions: Mac: The physical address of the device, which can not be written. NIC type: Default is “10M/100M Auto”, the other options are: 10M Half-Dup, 10M Full-Dup, 100M Half-Dup and 100M Full-Dup. IP server address: If DVR uses PPPoE function, and get one dynamic IP address.

  • Page 62: Ptz

    Fig. 5.30 PPPoE setup Example: Use PPPoE function Step 1: Enter “Network” “Advanced Settings”. Step 2: Select NIC type. Step 3: Input port number. In the port edit box, use numeric keys to input port number. The port number must be more than 2000. Step 4: Input IP Server: Input one fixed Internet IP address where the IP analyst software (IP Server) is run.
  • Page 63 Fig. 5.31 PTZ parameters setup PTZ menu description Select camera: Select one PTZ camera. RS-485 parameters: Including baud rate, data bit, stop bit, parity, flow control, etc. These parameters must be the same as those PTZ protocols. PTZ address: Each PTZ has one different address. PTZ type: DVR had the following PTZ protocols: YouLi, LinLin-1016, LinLin-820, Pelco-p, DM DynaColor, HD600, JC-4116, Pelco-d WX, Pelco-D, VCOM VC-2000, NetStreamer, SAE/YAAN, Samsung, Kalatel-312, CELOTEX,...
  • Page 64 save 16 sequences. Cruise setup: Cruise is remembering the track of PTZ movement. Please make sure the PTZ you are using can support cruise function. Preset setup In “PTZ” menu, move “Active Frame” to “Setup” button on the right side of “Preset”...
  • Page 65 Fig. 5.33 PTZ sequence setup In “Sequence” setup menu, first input the sequence number. The sequence is among 1 --- 16. Each sequence is made up of cruise points, and each cruise point includes preset number, dwell time and dwell speed. Dwell time is the time staying at that preset number.
  • Page 66 Fig. 5.34 Cruise setup Press “Rec Cru” button, you will enter “PTZ control” interface. You can start controlling PTZ with direction keys, press [ENTER] to save the operation track and return “Cruise” setup menu. Press “StartCru” button to repeat the PTZ track until you press “Stop”...

  • Page 67: Chapter6 Utilities

    Chapter6 Utilities There are many tools in “Utilities” menu. Including “Default Parameters”, “Firmware”, “Hard Disk”, “Alarm Out”, “Reboot”, “Power Off”, “View Log” and “System Information”. Enter “Utilities” menu: Shown as Fig.6.1 below Fig. 6.1 Utilities 6.1 Restore Parameters Restore factory parameters for DVR. The IP address, gateway and port number will not be restored.

  • Page 68: Upgrade

    6.2 Upgrade You can use this function to upgrade the firmware. Please confirm the language is matched. Press “Upgrade” icon, in the pop-up dialog, you can select either “FTP” or “USB” upgrade mode. Shown as Fig.6.3 below Fig. 6.3 Upgrade If you select “FTP”...

  • Page 69: Hard Disk Management

    Reboot after successfully upgrading, the system will use the new firmware. 6.3 Hard Disk Management Fig. 6.5 Hard Disk setup Check HDD work status Capacity, Free space, Stand by or not, Normal status or not. Format HDD Before formatting stop all recording. After formatting, you must reboot DVR; otherwise DVR will not work normally.
  • Page 70 In “Utilities” menu, press “View Log” to enter “Log” menu: Shown as Fig.6.6 below Fig. 6.6 View log If you want to view the log based on default option, just press [ENTER] key. DVR will list all matched information. Also you can select options to search (By Type, By Date, and By Type &...
  • Page 71 Step 2: For “Major Type” option, select “Alarm” option. For “Minor Type” option, select one of following options: All, External Alarm In, External Alarm Out, Motion Detect Start, Motion Detect Stop, View Tamper Start, and View Tamper Stop. Step 3: Move “Active Frame” to “Search Log” button, press [ENTER] key to start searching.
  • Page 72 Step 5: After finish searching, DVR will list the matched log information. Step 6: Press “Return” button back to “Utilities” menu.

  • Page 73: System Information

    6.8 System Information Press “System Info” icon in “Utilities” menu, you can get DVR system information: Shown as Fig.6.7 below Fig. 6.7 System information...

  • Page 74: Chapter7 Firmware Upgrade

    Chapter7 Firmware Upgrade The DVR firmware is stored in FLASH ROM. You can use DVR upgrade function to write the firmware file (digicap) into FLASH. There are two cases that you need to upgrade DVR firmware. One is update old firmware.
  • Page 75 Fig 7.1 Set the user and its rights, as shown in Fig 7.2 Fig 7.2 Click “New User” button, create a user named “target”, set its password. And then choose it in the “User Name” drop down list. Input the path where the firmware is placed in the “Home Directory”...
  • Page 76 Fig 7.3 Step 2: Upgrade Enter the “Utilities” menu of the main menu, shown as Fig 7.4 Fig 7.4 Enter the “Firmware” item, shown as Fig7.5 Fig7.5 Choose update mode as FTP, shown as Fig 7.6...
  • Page 77 Fig 7.6 Input the FTP Server’s IP Address(The IP of the computer where wfp32 runs), as shown in Fig 7.7, and press “Enter” to start upgrading, as shown in Fig 7.8 Fig 7.7 Fig 7.8...
  • Page 78 After upgrading completed, system needs to reboot, as shown in Fig 7.9. Press “Confirm” to start the reboot or press “Cancel” to reboot later. The new firmware will start to work after rebooting. Fig 7.9...

  • Page 79: Appendix A Mouse Control Function

    Appendix A Mouse Control Function 1. Preview interface Double-click the left key 1. Switch to the channel where the arrow at when viewing single picture. 2. Back to previous multi-pictures when double click again. Scroll wheel forward Switch to previous screen Scroll wheel backward Switch to the next screen Single-click the right key...
  • Page 80 appear in motion detect area configuration) Drag the left key Extend or shrink area Moving The primary grid will be following with the cursor 5. Test input interface Click the left key 1. Pop up soft keyboard 2. Input text 3.

  • Page 81: Appendix B Hdd Capacity Calculation

    Appendix B HDD Capacity Calculation Calculate total capacity needed by each DVR according to video recording (video recording type and video file storage time). Step 1: According to Formula (1) to calculate storage capacity q that is the capacity of each channel needed for every hour, unit Mbyte. ÷...

  • Page 82: Appendix C Dvr Connect Cable Definition

    Appendix C DVR Connect Cable Definition 1 RS-485 connect cable made method There are R+, R-, T+, and T- on the RS-485 interface. R+, R- here are for receiving signals, while T+, T- here are for sending signals. UTP network connect cable made method Material and tool One twist cable (8 pin, the length can be defined as to the actual demand, but must be within 100m), 2 standard RJ45 head, one tool for RJ45.
  • Page 83 The corresponding relationship of cross cable...

  • Page 84: Appendix D Specifications

    Appendix D Specifications Model G-DVR4 H.264 Video compression Preview resolution PAL: 704×576 ; NTSC: 704×480 VGA: 1024*768 Playback resolution QCIF/CIF/2CIF/DCIF/4CIF Video input 4 channels, BNC (1.0Vp-p, 75 ) Video output 1 channel, BNC (1.0Vp-p, 75 ) 1 channel, BNC (1.0Vp-p, 75 )

  • Page 85: Appendix E Troubleshooting

    Appendix E Troubleshooting Failure Possible reasons After plugging in power, turning on the power switch, Power cable is broken. “POWER” light in front Panel does not turn on, and fan Power supply is broken. does not work. After plugging in power, turning on the power switch, Front panel cable is broken.
  • Page 86 2) If the circuit board is wet, dust on circuit board can cause a short circuit. The circuit board, plug and socket, housing fan and housing should be cleaned by brushing regularly.

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