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 Frequently Asked Questions
 
 


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CUSTOMER SUPPORTS AND Frequently Asked Questions:

A&D DVR2400 v1.4 FAQ
01. Cannot display live video but video recoding works.
 
02. Can I adjust the date and time of system while running the Site Server.
 
03. My DVR machine is firewall protected. How many TCP ports should be open to outside for the remote viewing?
 
04. I can see the video at Remote Viewer but I cannot hear anything from the voice communication.
 
05. How to upgrade version 1.3 to version 1.4
 
06. Should I update capture device driver while upgrading version 1.3 to version 1.4
 
07. How many bps (bits per second) of Internet bandwidth should I prepared for viewing smooth live video at Remote Viewer?
 
08. Install one capture card is OK. If I install more than two capture cards, the DVR machine boots fail.
 
09. How much free disk space should be kept for Windows system?
 
10. Where can I connect the DVR machine to the Dynamic IP Server?
 
11. My DVR machine is located in a LAN environment with a virtual IP address. Is there any way that people from outside can remote watch the live video of the DVR machine through Internet?
 
12. Can I use thirty-party remote control utility to control the DVR machine?
 
13. The DVR machine keeps showing warning message that COM ports are not available.
 
 
 

 
1. Cannot display live video but video recoding works.
The VGA chip on your machine doesn't support YUY2 and YV12 video data formats. Please follow below steps to fix it,
  Step 1: Close the Site Server program.
  Step 2: Open the file "Live.ini" which is at the program folder. The default program folder is at "C:\Program Files\viewanywhere\DVR 2400\Bin".
  Step 3: Change the statement "HUPERRENDER=1" to "HUPERRENDER=0".
  Step 4: Save the change to the file "Live.ini".
  Step 5: Restart the Site Server program.

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2. Can I adjust the date and time of system while running the Site Server.
If the Site Server isn't doing video recoding, you can change the date and time of system without problem. If the Site Server is doing video recoding, please close Site Server before changing the data and time of system.

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3. My DVR machine is firewall protected. How many TCP ports should be open to outside for the remote viewing?
TCP port 80, 18082 and 18083 should be open to outside for remote viewing. TCP port 80 is for web server by default. TCP port 18082 is for narrow-band video streaming and TCP port 18083 for broadband video streaming. TCP port 18000 should be open to outside if you want to enable the voice communication.

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4. I can see the video at Remote Viewer but I cannot hear anything from the voice communication
Make sure the machine ruing Remote Viewer has a unique global IP address. Since the voice communication adopts UDP/IP protocol, DVR machine and the machine running Remote Viewer should have unique global IP addresses to reach each other.

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5. How to upgrade version 1.3 to version 1.4
Please follow below steps to upgrade version 1.3 to version 1.4.
  Step 1: Close the Site Server program, Record Player program and other application utilities. Make sure they are closed completely. (You can check them out from the Task Manager.)
  Step 2: Uninstall version 1.3. (The un-installation process does not remove DVR settings and video recordings.)
  Step 3: Install version 1.4 programs. Please be sure to install version 1.4 to the directory where version 1.3 installed (If version 1.3 installed at the default location, just install version 1.4 to the default location.). Please not restart the DVR machine before all device drivers are updated (During the updating of device drivers, DOS windows are invoked and then closed automatically. Please wait until no more DOS window is invoked)
  Step 4: After restarting the DVR machine, version 1.4 runs automatically. All settings and video recordings are kept the same as in version 1.3.

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6. Should I update capture device driver while upgrading version 1.3 to version 1.4?
    The version 1.4 Site Server installer updates the capture device driver automatically. The updating process of capture device driver takes place at the last step of installation. During the driver updating, prompts DOS windows for a while. Please be sure not to pres the "OK" button to restart DVR machine before all device drivers are updated (It means no more DOS window displays.)

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7. Optimized for background services (Windows 2000 and Windows XP).
    A 320x240 video frame received by Remote Viewer through Internet is 15K bits in average. If you like to view four cameras in 5fps displaying rate, you need to have at least 15 K bits x 4 cameras x 5 fps = 300K bps bandwidth. Be sure the remote DVR machine has the enough outgoing Internet bandwidth also.

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8. Install one capture card is OK. If I install more than two capture cards, the DVR machine boots fail.
    It may be caused by the conflict of PCI cards. Please remove net card and sound card from the motherboard first and try again (If the mother board built-in the net chip and sound chip, please turn them off in the BIOS settings.) If everything works fine after removing these cards (or turn off these built-in chips), it means the motherboard's compatibility for PCI cards is not well designed. You can keep using the motherboard for DVR machine if you don't need the network and audio features. Otherwise, please select another motherboard.

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9. How much free disk space should be kept for Windows system?
    DVR program always keeps certain volume of free disk space for Windows system automatically. When writing video recording, it checks if the free disk space is larger than 100 M bytes. When writing profile data, it checks if the free disk space is larger than 30 M bytes. At least 500 M bytes of free disk space are suggested for the Windows system after installing the DVR system.

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10. Where can I connect the DVR machine to the Dynamic IP Server?

    If your dealer doesn't provide the service of Dynamic IP Server, you can log on to the Dynamic IP Server provided by A&D Laboratories. The URL of Dynamic IP Server is list. viewanywhere.com. Details please refer page 25~26 in the users manual.

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11. Use internal oscillator of each camera (Disable line-locking of each camera).

    Yes! Consult your IT personnel to forward TCP ports 80, 18082, 18083 and 18000 of a global IP address to the DVR machine.

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12. Can I use thirty-party remote control utility to control the DVR machine?
Suggest not install any remote control utility in the DVR machine because some thirty-party remote control programs may make the Window system unstable. Installing the remote control utility temporarily for problem solving is acceptable.
13. The DVR machine keeps showing warning message that COM ports are not available.
    The I/O Box device driver checks the availability of COM ports while launching DVR. If the current COM ports are occupied by other program utilities or no COM port is available, the I/O Box device driver shows warning message. You can follow below steps to remove the I/O Box device driver.
  Step 1: Close the Site Server program.
  Step 2: Rename or delete the file "i7k_iorw.dll". The file is at the program folder. The default program folder is "C:\Program Files\viewanywhere\DVR 2400\Bin".
  Step 3: Restart the Site Server program.

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