NVS440R User’s Guide
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400Kbps, set the total “Max. Bandwidth” of the 4 channels to 384Kbps. If you set it higher, the
video image can be corrupted with artifacts.
Ask your network manager or ISP for maximum uploading bandwidth of the network.
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Check whether dual streaming mode is enabled and NVS440R is recording video. Dual streaming
mode is enabled by selecting “Enable High Quality Video Recording” in basic set-up page (Refer
to Section 5.2). When dual streaming mode is enabled, NVS440R provides low speed video to
connected user while recording high quality video into HDD
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The image is dull and I see green, pink dots.
This could be caused by performance limitation of the PC. Do not run too many programs while running
viewer program. The other reason could be missing data while transmission from NVS440R.
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Mosaic phenomenon.
Mosaic phenomenon occurs when not enough network bandwidth is available considering the resolution
and frame rate of the video.
Example is 640x480 video with low Max. Bandwidth.
Users are recommended to adjust resolution and frame rates to lower values for lower bandwidth network.
3. How can I maintain high quality video recording when I’m using low speed network
NVS440R has Dual streaming mode that enables high quality video recording on the HDD, while providing
lower quality video to on-line users. This feature is enabled by selecting “Enable High Quality Recording” in
basic set-up mode. (Refer to 5.2 for more detailed information.)
