Quadrox GuardNVR User manual

GuardNVR
Installation Manual
Let’s make things safer!

GuardNVR Installation Manual 2
Contents
CONTENTS .............................................................................................................................................................................................................2
1INTRODUCTION.......................................................................................................................................................................................4
1.1 EQUIPMENT CHECKLIST ............................................................................................................................................................................. 5
1.2 MINIMUM SYSTEM REQUIREMENTS ........................................................................................................................................................... 5
2GETTING STARTED ................................................................................................................................................................................6
2.1 WORK SPACE CONDITIONS.........................................................................................................................................................................6
2.1.1 General conditions............................................................................................................................................................................ 6
2.1.2 Placement conditions ........................................................................................................................................................................ 7
2.2 GUARDNVR IIS SPLIT............................................................................................................................................................................... 8
2.3 INSTALLING GUARDNVR........................................................................................................................................................................12
2.3.1 Trial mode ....................................................................................................................................................................................... 15
2.4 STARTING UP FOR THE FIRST TIME...........................................................................................................................................................16
2.4.1 Desktop icons overview................................................................................................................................................................... 16
2.4.2 Logging on to GuardNVR server.................................................................................................................................................... 17
2.4.3 Changing password......................................................................................................................................................................... 17
2.4.4 Setting time...................................................................................................................................................................................... 17
2.4.4.1 Through GuardNVR Web Application...................................................................................................................................18
2.4.4.2 Through Operating System (XP or Vista) ..............................................................................................................................18
2.4.4.2.1 Changing time zone............................................................................................................................................................. 18
2.4.4.2.2 Time synchronization..........................................................................................................................................................19
2.4.5 Changing keyboard settings............................................................................................................................................................ 19
2.4.6 Adjusting screen resolution............................................................................................................................................................. 21
2.5 GUARDNVR IN THE NETWORK................................................................................................................................................................ 22
2.5.1 Network overview............................................................................................................................................................................ 22
2.5.2 Connecting GuardNVR to the local network.................................................................................................................................. 23
2.5.3 Assigning IP address....................................................................................................................................................................... 23
2.5.4 Firewall configuration .................................................................................................................................................................... 24
2.5.5 Connecting a client.......................................................................................................................................................................... 26
2.5.5.1 Minimum client requirements.................................................................................................................................................26
2.5.5.2 Client configuration.................................................................................................................................................................27
2.5.6 Connecting GuardNVR to the Internet............................................................................................................................................ 29
2.5.6.1 Creating a network connection................................................................................................................................................29
2.5.6.2 Router and firewall.................................................................................................................................................................. 30
2.5.6.2.1 Configuring router............................................................................................................................................................... 30
2.5.6.2.2 Configuring firewall............................................................................................................................................................31
2.6 TESTING GUARDNVR.............................................................................................................................................................................. 34
2.6.1 Local client test ............................................................................................................................................................................... 34
2.6.2 Connection test................................................................................................................................................................................ 34
2.6.3 Remote client test............................................................................................................................................................................. 35
3UPGRADING & RESTORING GUARDNVR ......................................................................................................................................36
3.1 UPGRADING GUARDNVR SOFTWARE ..................................................................................................................................................... 36
3.2 SAVING AND RESTORING CONFIGURATION ............................................................................................................................................. 36
4ADVANCED TOPICS ..............................................................................................................................................................................37
4.1 EXTENDING STORAGE SPACE ................................................................................................................................................................... 37
4.1.1 Adding hard disk ............................................................................................................................................................................. 37
4.1.2 Configuring added hard disk .......................................................................................................................................................... 38
4.1.2.1 Multiple Logical Disks............................................................................................................................................................ 40
4.1.2.2 Single Disk Extension.............................................................................................................................................................42
4.2 VIDEO CLIENT COMPONENT (ACTIVEX).................................................................................................................................................47
4.3 CHANGING NETWORK PORTS ...................................................................................................................................................................49
4.3.1 Changing GuardNVR video ports................................................................................................................................................... 49
4.3.2 Changing TCP port......................................................................................................................................................................... 49
4.3.3 Changing remote desktop port........................................................................................................................................................ 50
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4.4 GUARDNVR POWER ON AFTER POWER FAILURE.....................................................................................................................................50
4.5 CONFIGURING AUDIO OVER THE INTERNET.............................................................................................................................................50
5STORAGE / BANDWIDTH CONSIDERATIONS...............................................................................................................................52
5.1 TERMINOLOGY AND BASIC VIDEO TECHNOLOGY ....................................................................................................................................52
5.2 FACTORS THAT INFLUENCE BIT RATE AND VIDEO QUALITY.................................................................................................................... 54
5.2.1 Compression technique (codec)...................................................................................................................................................... 54
5.2.2 Resolution........................................................................................................................................................................................ 55
5.2.3 Frame rate....................................................................................................................................................................................... 56
5.2.4 “Differential” live streaming.......................................................................................................................................................... 57
5.2.5 Activity detection for storage.......................................................................................................................................................... 57
6SECURITY POLICY................................................................................................................................................................................58
6.1 PROPER USE OF GUARDNVR................................................................................................................................................................... 58
6.2 SECURITY POLICY .................................................................................................................................................................................... 59
6.2.1 Password policy .............................................................................................................................................................................. 59
6.2.2 Windows security updates............................................................................................................................................................... 61
6.2.3 Network security.............................................................................................................................................................................. 61
6.2.3.1 Dedicated network versus integration with the corporate network........................................................................................ 61
6.2.3.2 Connecting GuardNVR to the Internet ................................................................................................................................... 62
6.2.3.3 Limiting the number of protocols...........................................................................................................................................62
6.2.3.4 Firewall.................................................................................................................................................................................... 62
6.2.3.5 Allowing only known clients.................................................................................................................................................. 63
6.2.3.6 Securing the applications ........................................................................................................................................................ 63
6.2.3.7 VPN......................................................................................................................................................................................... 63
6.2.4 Other types of access....................................................................................................................................................................... 64
6.2.5 3rd party security tools..................................................................................................................................................................... 64
6.3 ERROR RECOVERY MECHANISMS.............................................................................................................................................................64
7TROUBLESHOOTING............................................................................................................................................................................ 65
7.1 PROBLEM SOLVING PROCESS ...................................................................................................................................................................65
7.1.1 Preliminary checklist....................................................................................................................................................................... 65
7.1.2 Analyzing the problem..................................................................................................................................................................... 66
7.2 SOLUTIONS FOR COMMON PROBLEMS ..................................................................................................................................................... 67
7.2.1 Start up problems............................................................................................................................................................................ 67
7.2.2 Monitor problems............................................................................................................................................................................ 69
7.2.3 Windows logon problems................................................................................................................................................................ 69
7.2.4 Remote connection problems.......................................................................................................................................................... 70
7.2.5 Camera problems............................................................................................................................................................................ 71
7.2.6 GuardNVR software problems........................................................................................................................................................ 71
7.3 IF YOU NEED FURTHER ASSISTANCE ........................................................................................................................................................ 73
7.3.1 Before you call................................................................................................................................................................................. 73
7.3.2 Collecting the necessary information ............................................................................................................................................. 73
7.3.3 How to contact Quadrox................................................................................................................................................................. 74
7.3.4 How to allow remotely access to your GuardNVR by Quadrox support ....................................................................................... 74
8APPENDICES............................................................................................................................................................................................75

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1Introduction
GuardNVR is a unique digital video surveillance solution, which combines three major
functions in one Network Video Recorder (NVR) or Digital Video Recorder (DVR): local
digital recording, multiplexing and simultaneous transmission of the video via existing
networks (TCP/IP). To a standard GuardNVR, up to 20 cameras can be permanently recorded
while multiple operators at different locations on the network are accessing the GuardNVR
network video server.
Being a networked device, GuardNVR utilizes two basic principles of the
Internet/Intranet technology:
GuardNVR works over the TCP/IP network protocol, which provides maximum
connectivity. This means that the existing computer network infrastructure can be
used eliminating extra installation expenses.
GuardNVR uses a web-based user interface to view live images, recordings, etc.
More specific it uses Microsoft Internet Explorer.
Remote and Local Monitoring
To remotely monitor the connected cameras, the
GuardNVR uses Web Browser technology. To
locally monitor video, the GuardNVR also
provides a local interface via a PC monitor
directly connected to the GuardNVR. This local
interface allows an operator to see live video
from the connected cameras without the need for
additional client computers on a network.
Continuous Activity-Based Recording
By default, a GuardNVR continuously records all images from all the connected cameras
based on activity detection. In this case, only movement is recorded. If there is no movement,
no recording takes place. If necessary, the GuardNVR can be set to record continuously.
Intelligent Storage Option
GuardNVR uses a first-in/first-out (FIFO) overwrite principle. Once the disk is full, the oldest
images are overwritten.
Semi-Continuous recording (recording based on activity detection) allows a GuardNVR to
store pre- and post-alarm video. Pre- and Post-alarm images are often more important than the
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images at the time of the alarm event itself. Up to 5 minutes of pre- and post-alarm video can
be stored per event.
GuardNVR makes a distinction between common activity recordings and pre/post alarm
recordings. In the way that, alarm recordings have a higher storage priority and will not be
overwritten by non-alarm recordings.
The GuardNVR is operational even when no live monitoring occurs. While the
GuardNVR continuously records images from all the cameras, video is transmitted
from the server to the client only when an Internet browser is connected to
GuardNVR and someone is live-viewing images from one or more cameras.
1.1 Equipment checklist
The following items you’ll find on the GuardNVR installation CD/DVD.
GuardNVR4 Video security software suite
Adobe Acrobat Reader 8.0 or higher
GuardNVR Installation manual in PDF format
GuardNVR User manual (=WebCCTV User manual) in PDF format
Remote POS Monitor Guide in PDF format
Alarm Component Installation manual in PDF format
1.2 Minimum system requirements
The following system components are the minimum requirements for a proper GuardNVR
operation:
Hardware
Intel Dual Core or higher
2048 MB RAM
256 MB RAM on the video card
Operating System
Windows XP Pro Service Pack 3
Windows Vista
Windows 7
64-bit Operating Systems are not yet supported.
Software and MS Windows components
Internet Information Services (IIS)
Internet Explorer 7 or higher
DirectX 9.0c
Media players and codecs
Windows Media Player 11
Windows Media Formats 11
Some useful downloads are available in the System Downloads menu. See the User
Manual for more information.
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2.1.1
2Getting started
This chapter provides information to get you started using your GuardNVR. It covers the
following topics:
Work space conditions.
GuardNVR IIS Split.
Installing GuardNVR.
Starting up for the first time.
GuardNVR in the network.
Testing GuardNVR.
2.1 Work space conditions
Establishing a comfortable and appropriate work site and placement of the GuardNVR is
important to you and your GuardNVR. Proper ambient conditions should also be maintained
for the GuardNVR’s operation. This section discusses the following topics:
General conditions
Placement conditions
General conditions
Carefully read the following guidelines:
Make sure there is adequate space around the GuardNVR for proper ventilation. Leave
ample ventilation room for the cooling fan. Do not block the vents. If your unit is
placed in a lockable enclosure, be sure to use only enclosures that are fan cooled and
ensure that the fan is operational. It is also a good practice to place the GuardNVR in
the middle of the cabinet to maximize air flow.
Make sure the AC power cord connects to an outlet that is close to the GuardNVR and
easily accessible.
Make sure the Ethernet cable is correctly connected and is laid properly, without strain.
The temperature should be 5 to 40 °C (41 to 104 °F) and the relative humidity should
be 5 to 95 %.
Avoid areas where rapid or extreme changes in temperature or humidity may occur.
Keep the GuardNVR free of dust, moisture and exposure to direct sunlight and away
from heat sources, such as electric heaters.
Do not use the GuardNVR near liquids or corrosive chemicals.
Some components in the unit, including data storage media, can be damaged by
magnets. Do not place the GuardNVR near magnetic objects or bring magnetic objects
close to the GuardNVR. Be careful of objects, such as stereo speakers, that produce
strong magnetic fields during operation.

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2.1.2 Placement conditions
Position the GuardNVR and peripheral devices to provide comfort and safety.
Set the GuardNVR on a flat surface at a comfortable height and distance. If the monitor
is connected it should be no higher than eye level to avoid eyestrain.
Do not place any liquid containers on the GuardNVR system, such as water, coffee, or
beverage. If liquid is poured onto the GuardNVR, it can cause a system malfunction or
fire.
Prevent the power cable from being severely bent by a heavy object. This may cause
fire.
Clean the dust around the GuardNVR on a regular basis. When cleaning the system,
always use a dry cloth. Do not use wet cloth or other organic solvents. This may
damage the surface of the GuardNVR and may cause system malfunction or electric
shock.
When pulling the power cable from the plug, do so gently. Do not touch the plug with
wet hands and avoid using the plug if the holes on the outlet are too loose. This may
cause fire or an electric shock.
Do not attempt to disassemble, repair, or modify the GuardNVR yourself. It is
extremely dangerous due to high voltage running through the GuardNVR. This may
cause fire, electric shock, or serious injuries.
Keep at least 15cm (6inches) between the back of the GuardNVR and a wall for the
cables connected into the GuardNVR. Otherwise, cables may be bent, damaged, or cut.
This may cause fire, electric shock, or injuries.
The power outlet must be grounded, and the voltage range must be within 10% of the
voltage rate. Do not use the same outlet with a hair dryer, iron, refrigerator, or any
heating appliances. This may cause fire, heating, and an electric shock.
Do not place any heavy object on the GuardNVR system. This may cause system
malfunction.
The GuardNVR can be damaged from a strong impact or vibration. Avoid throwing
objects within the vicinity of the GuardNVR.

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2.2 GuardNVR IIS Split
As stated before, the GuardNVR application is a real web application which increases the
flexibility and connectivity considerably. This web application is managed by IIS (Internet
Information Services) which is installed on a computer of choice which can run IIS.
Versions prior to version 4.0.8.0 only have the ability to install IIS on the Video
Server itself.
By having the option to install the web application (by using IIS) onto a computer of choice, it
is possible to simplify the connection and scalability of the global security installation as the
server itself and the web application don’t have to be installed on the same unit.
Setup Type Selection Screen
There are three possible options:
Video Server with User Interface Server (default) – Both the video server and the
web application will be installed on the unit. Option Typical (single server) or first
option in the Custom menu.
This is the default installation and recommended if you have only one GuardNVR
system.
Video Server without User Interface Server – Only the Video Server is installed.
This means you have installed the Web Application (User Interface) on another system.
Option Custom (multiple severs).
User Interface Server without Video Server – Only the Web Application is installed.
Ideally this web application will be used as the central web application for all the
GuardNVR systems in your network. Option Custom (multiple severs).
You can choose one of the three options during the installation of your system by
selecting Custom. Ask your installer for more information if you didn’t install the
system yourself.
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Setup Type Selection Screen
The following pictures give you an idea how it works:
Centralized IIS Server on separate unit
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Centralized IIS Server on a Video Server
Let us explain how this works in reality!
If you have multiple Video Servers installed and have installed a centralized IIS server (On
one of the Video Server or even on a separate PC), then you can connect to each Video Server
by connecting first to the centralized Web Application by typing the IP of that unit. At that
time you can choose which server you want to connect to in the network from the extended
logon screen. In this case you only need to remember one IP address to connect to all your
GuardNVR servers.
This means that when you connect to a Video Server that also has the Web Application
installed you will need the basic logon screen shown below:
Basic Logon Screen
If you want to connect through the centralized Web Server, you have to use the extend logon
screen by clicking Options. There you select or type the video server IP or DNS name:
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For more information about the configuration of this setup, see chapter 3.3.7.
Network Video Recorders of the GuardNVR User Manual.
You can choose which server you want to use as the default server to connect to. For
more information, see chapter 3.3.7. Network Video Recorders of the GuardNVR
User Manual.
Extended Logon Screen
When you choose to install and manage the Web Application on your GuardNVR server or
one of your GuardNVR servers, IIS has to be installed as stated before.
If IIS is not yet installed, follow the steps below:
1. Switch on your computer and login as an Administrator.
2. Insert Windows installation CD into your CD/DVD drive.
3. Click Start->Settings->Control Panel->Add/Remove Programs. Choose there
Add/Remove Windows Components tab.
Windows Components Wizard Screen
4. Select Internet Information Services (IIS) item in the window that appears and click
Next.
5. After installation is completed click Finish.
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2.3 Installing GuardNVR
To install GuardNVR follow the steps below:
1. Insert GuardNVR installation CD/DVD into your CD/DVD-drive.
2. If Autorun is disabled go to My Computer and double-click on the drive icon that
corresponds to your CD-ROM.
3. Wait while installation procedure is loading and click Next button in the screen that
appears.
4. Carefully read the License Agreement and click Yes if you agree.
5. For a default installation, select Typical. For a custom installation, select Custom. Click
next. If you selected custom, you need to define the type of installation in the window
that appears and click Next.
There are three possible options:
Video Server with User Interface Server (default) – Both the video
server and the web application will be installed on the unit.
This is the default installation and recommended if you have only one GuardNVR
system.
Video Server without User Interface Server – Only the Video Server is
installed. This means you have installed the Web Application (User
Interface) on another system.
User Interface Server without Video Server – Only the Web Application
is installed. Ideally this web application will be used as the central web
application for all the GuardNVR systems in your network
You have to choose one of the three options during the installation of your system.
Ask your installer for more information if you didn’t install the system yourself.
Setup Type Selection Screen
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6. Choose the destination where GuardNVR will be installed and click Next. If the folder
not yet exists, it will ask to create it. Click Yes in order to create it.
7. Choose the destination for movie storage in the next window.
Movies Storage Screen
It is recommended to make a separate disk partition to store movies.
8. In the same window you are able to choose the amount of the disk space reserved for
movie storage, by default 1 GB (Gigabyte) is specified.
It is recommended to reserve as much disk space as possible for movies. This value
defines how fast GuardNVR will rewrite the stored video footage.
9. Click Next.
10. Choose the appropriate GuardNVR shortcuts by selecting the corresponding
checkboxes. Click Next.
Shortcuts Screen
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11. In the last window click Next once more in order to start the installation.
The installation process will ask you to allow making some changes in the Windows
FireWall. The following ports will be opened automatically:
1. TCP Port 80: httpa
2. TCP Port 1518: GuardNVR control connection
3. UDP Ports 4096 till 4223: GuardNVR video streaming
12. Enter your Activation Code that is generated based on the Authorization Code after
initial installation and click Next.
Activation Screen
You are able to enter the activation code during the installation, during the first
GuardNVR launch or even afterwards.
To get your Activation Code contact the Quadrox sales department.
Store your activation code somewhere or write it on a label stuck on the inside of your
Server. This code always stays the same and is needed again if reinstallation of the
GuardNVR software is required.
13. Select Restart the computer now and click Finish.
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2.3.1 Trial mode
You are able to use GuardNVR in trial mode. To do so click Continue Trial during the launch
of the GuardNVR web application in the Activation screen.
Activation Screen
Trial mode is valid during 30 days starting from the initial installation. After 30 days you
won’t be able to use GuardNVR and need to activate the software. Contact the Quadrox sales
department to get an activation code.
You can see the remaining trial days in the right top corner of the GuardNVR web application.
To activate or upgrade your GuardNVR server, go to Video Manager -> Info and click
Update. Enter your activation code in the window that appears and confirm.
You can activate your GuardNVR server during installation, in trial mode at start up
of the GuardNVR web application or afterwards as described above.

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2.4 Starting up for the first time
This chapter provides information on the following topics:
Desktop icons overview
Loggin on to GuardNVR server
Changing password
Setting time
Changing keyboard settings
Adjust screen resolution
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2.4.1 Desktop icons overview
GuardNVR Server’s Desktop
The following shortcuts should appear on your desktop after GuardNVR installation
Start Video Server. By double-clicking this icon, the user can start the
GuardNVR’s video server. If the video server is already started, double-clicking
doesn’t change anything.
Stop Video Server. By double-clicking this icon, the user can stop the GuardNVR’s
video server. If the video server is already stopped, double-clicking doesn’t change
anything.
Video Browser. By double-clicking this icon, the user starts the GuardNVR web
application on the local GuardNVR video server.
Video manager. By double-clicking this icon, the user starts the GuardNVR web
application on the local GuardNVR video server. The system can be managed and
configured here.
Local Application. By clicking on this icon in the system tray, the user can access
the GuardNVR local application.

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2.4.2 Logging on to GuardNVR server
GuardNVR software uses the Windows Authentication system. Since the Windows main
administrator is an administrator of GuardNVR, you are able to log on under its credentials.
If you’re logged on to Windows with an account that is also registered as user in
GuardNVR, you will be logged on automatically when opening the web application.
To create GuardNVR users, see chapter 3.2 Users of the User manual.
2.4.3 Changing password
To change the Administrative password, follow the steps below:
Go to Start -> Control Panel.
When in Control Panel, select User Accounts from the right-hand list.
In the User Accounts screen, select the Administrator user.
Click Change my password link.
Enter your current password.
The default Administrator password is webcctvnvr.
The default Administrator password is webcctvnvr. If you have an ‘AZERTY’
keyboard, it becomes zebcctvnvr. See Chapter 2.4.5 how to change this to Azerty
settings.
Enter a new password and confirm it.
Click Change Password button to save new Administrator account password.
When you change the Administrator password in Windows, the Administrator
password of the GuardNVR application is automatically changed to this password.
This means also that when you change your password in the GuardNVR application,
that your Windows password will be changed automatically!
2.4.4 Setting time
For proper functioning of GuardNVR, it is very important to use the appropriate Time Zone
setting because the movie recordings are always stored in local time This can be done in two
ways, or by the GuardNVR application configuration (See GuardNVR User Manual
Chapter 3.3.10 Time Synchronisation), or by the Windows OS configuration.
We strongly advise you to use the GuardNVR application way as this is the easiest
way to configure your time settings.

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2.4.4.1 Through GuardNVR Web Application
Time synchronization allows you to synchronize time on all devices connected to your unit
(e.g. cameras) and synchronize your server with a specific time server. This can be done by
going to the Settings menu in the Video Manager Web Application and selecting the Time
Synchronisation link in the top bar
Time Synchronization Screen
There are three options:
Use video server as a (proxy) time server – The unit will synchronize with an
external time server if configured in the bottom part of the screen. If empty, the unit
will act as a time server for itself and the connected devices (e.g. cameras).
Synchronize all devices with an external time server – The unit and all the
connected devices (e.g. cameras) will be synchronized with an external time server.
Configure the IP address or DNS name of the external time server in the bottom part of
the screen.
Manually configure time synchronization on each device separately (not
recommended) – No synchronization at all is performed, neither for the unit nor for
the connected devices (e.g. cameras)
If your unit is part of a domain, this menu will not be available. The unit and
connected devices (e.g. cameras) will be synchronized automatically with the Active
Directory of the domain.
Click Apply to save the settings.
2.4.4.2 Through Operating System (XP or Vista)
2.4.4.2.1 Changing time zone
To change the time zone, follow the steps below:
In Control Panel, in the left upper corner click the link ‘Switch to Classic view’.
When in classic view, select Date & Time from the right-hand list.
On the Date and Time properties dialog, select the tab ‘Time Zone’ (XP) or click
‘Change Time Zone’ (Vista)
When in the ‘Time Zone’ menu, select the correct time zone.
Click OK to save the ‘Date and Time’ changes.
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To adjust the Date and time manually follow the steps below:
In the Control Panel, in the left upper corner click the ‘Switch to Classic view’ link.
When in classic view, select Date and Time from the right-hand list.
On the Date and Time properties dialog, select the ‘Date & Time’ tab (XP) or click
‘Change Date & Time’ (Vista).
When in the ‘Date & Time’ menu, set the correct date and time.
Click OK to save the ‘Date and Time’ changes.
2.4.4.2.2 Time synchronization
Synchronize your computer time with the atomic clock on the Internet for the best time
accuracy.
Optionally the installer/user can configure a GuardNVR to synchronize its time and date
automatically on a regular basis using a so-called ‘Time Server’. These special servers exist
often on bigger corporate networks or on the Internet. To set this up, follow the steps below:
Click Settings -> Control panel.
In Control Panel, in the left upper corner click the ‘Switch to Classic view’ link.
When in classic view, select Date and Time from the right-hand list.
On the Date and Time properties dialog, select the tab ‘Internet Time’ (XP) or click
‘Change Settings’ (Vista).
Check the box ‘Synchronize with an Internet time server’.
Enter the name or IP-address of a known time server into the 'Server' edit box. Note
that when using a name in the IP-address settings of the GuardNVR server, a correct
DNS IP-address should be supplied. Otherwise this name will never be resolved/found.
If you use an IP-address there is no need to provide a DNS server.
Click OK to save the ‘Internet Time’ changes.
The default Internet Time Server is time.windows.com; however you can use other
time servers for synchronization, such as those provided below:
time.nist.gov (IP-address: 192.43.244.18)
utcnist.colorado.edu (IP-address: 128.138.140.44)
Make sure that there is no computer in the network with the same IP address.
2.4.5 Changing keyboard settings
Follow the steps below:
In Control Panel, in the left upper corner click the link ‘Switch to Classic view’.
When in classic view, select Regional and Language Options from the right-hand list.
In the Regional and Language Options dialog, select the ‘Languages’ tab.
When on the ‘Languages’ tab, click the ‘Details’ button. The following window
appears:
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Keyboard Settings Screen
In the Text services and Input languages dialog, add the desired keyboard layout.
After adding the new keyboard layout, delete the other keyboard layouts.
Use the ‘Default Input Language’ combo box to select the keyboard layout you added.
Click OK to change the keyboard layout.
In the Regional and Language Options dialog, select the ‘Advanced’ tab.
Select your language in the upper list box and enable the check box for Default user
account settings. Click OK or Yes for all pop ups.
Changing keyboard settings on Vista is almost the same. Please check your OS
manual for more information if necessary.
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