Bedienungsanleitung Grandstream GXV3662HD (Seite 47 von 48) (Englisch)

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Grandstream Networks, Inc. GXV3662_HD/FHD User Manual Page 47 of 48

Firmware Version 1.0.1.71 Last Updated: 03/2013

8. Why is audio missing from the recorded video when an alarm is triggered?

Please double check whether the device has an audio input connected. GXV3662_HD/FHD has a MIC IN

port for an audio input.

9. What is DDNS? Is it important for IP surveillance product to have DDNS support?

DDNS is an acronym for Dynamic Domain Name Service. It is important to choose an IP network

camera that has DDNS support for dynamic IP addresses.

Chances are that the network has a dynamic IP address (which changes with every log on). A DDNS service

makes sure that the camera‘s IP address always matches up to the current server address. DDNS also

allows for a website to be linked to the IP camera that is constantly updated with the correct information

and has a reliable feed.

10. Why is Windows Media Player unable to play the recorded videos files?

The GXV-3662_FHD uses the H.264 video codec. Windows Media Player may lack the proper H.264

decoder to play the recorded video. Please download the Microsoft FFDShow H.264 decoder from

http://sourceforge.net/projects/ffdshow-tryout/ a

nd install it.

11. Alarm Triggered Events do not work in GSurf_Pro.

Please double check the Alarm Action on your GXV-3662_HD/FHD. Login to the web GUI of the

GXV3662_HD/FHD, go to the Motion Detection or Alarm Events page, and make sure option Upload to

Alarm Center is checked.

12. How can I use a cell phone to watch the GXV3662_HD/FHD video stream?

You must set the video resolution to QCIF to watch the GXV3662_HD/FHD video stream from a cell

phone. Make sure to set the bit rate to 64kbps to ensure the best video quality.

13. Why doesn’t the IP address of the device reset when I click the “Restore” button on the Maintenance

page?

The GXV3662_HD/FHD could be installed in areas that are not easy to access. For example, it could be

installed on the roof of a building or the ceiling of an office. This makes it difficult to reinstall the device,

therefore the

―

Restor

e‖

function will not clear the IP address. Press the RESET button on the device for

at least 6 seconds until you hear a beep to perform a factory reset of all parameters (including the IP

address).

14. Why can’t the live video stream be viewed using a mobile phone or GSurf_Pro after changing the

HTTP Port of the device?

Make sure that the RTSP port of the device is set to 2000 plus the HTTP Port number. For example, if the

HTTP port is 88, then the RTSP port of the device that you configured on GSurf_Pro / mobile phone

should be 2088.

15. Some notes on using SD cards

1. The GXV3662 only supports FAT32 formatted SD cards

2. The GXV3662 supports SD and SDHC

3. It takes 10-15 seconds to read SDHC cards with large memory capacities. Please wait 15 seconds

to unplug the SD card after you plug them into the device.

4. If there are many files (ie. 1800 or more image batch files) on the SD card, it can take up to 5 minutes

to read them. Please do not refresh the web interface at this time as the GXV3662 will restart reading

the SD card. Grandstream is currently working on a fix for this issue.

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