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DVR can not acquire the IP address automatically？
why there is no video shown on display?
why the video records in playback is inconsecutive ?
Is the Hybrid DVR able to connect coaxial camera,analog camera and network camera at the same time？
why the preview window has image, but there is a sign show no video signal on the image?
why the real-time preview image of the recorder is clear .but playback image is unclear?
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