This guide will help you fix the issue that can arise for customers with the 4 and 8 camera 4 megapixel NVRs from Xvision where the cameras are set up and connected but the image is blank.

This is caused by the 4 and 8 camera NVR being programmed the same way as the 16 and 32 camera versions of the NVR. The 16 and 32 camera versions use H265 video compression whereas the 4 and 8 channel NVR use H264.

So all you need to do is change the setting from H265 to H264 ¬†on both Mainstream and Substream and its done…

Go to the main menu then select RECORD

Now select MAINSTREAM and select the camera number that has a black screen and change the BITRATE CONTROL setting to H264 and then SAVE.

Next select SUBSTREAM and do the same again, and SAVE



After a few moments the camera picture should appear.

Now do the same with any other cameras with the same issue.

I hope that helps, please give the office a call if you have any questions about this article.

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