"My NVSS have a preview,but why it can't recording?"
1.please check whether the NVSS is set sub stream to preview. If it is sub stream,please try to switch into mian stream. If you can see image with sub stream but not with main stream,then we have to think about compatibility issues between cameras and NVSS software.
2.If you can see main stream, please check whether the recording schedule is set to normal record. if it is motion record,please check the channel setting to make sure whether you have opened motion detection,and test whether the NVSS can get the message of motion detection.
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