②Is the video connected with TV or VGA monitor properly? Check if there is any video signal input?
And make sure the line faulty or not?
09：Why does the video appear with wavy lines and images distorted?
①if there is short circuit, open circuit or insufficient solder and connection failure of video cable?
②If the video cable i s obstructed by high voltage interference, please separate the video and
high voltage in linkup cabling, and we suggest the use of better quality, shield video cable for the project;
③In the whole system, only select the central point to grounding, please do not use multi port for
grounding, which will cause the common mode obstruction. Please connect the screw in DVR rear panel to
grounding;
④Check if there is a problem in the camera or TV monitor and cable?
10：Why do the color of live video and record video data distortion?
①Make sure the input and output video parameter of main menu is set correctly;
②Make sure the connection is correct;
11：Why does the video skew became deformed, color cast?
①Make sure the VGA cable and DVR is connected with grounding properly;
② Is the DVR working atmosphere temperature high, or no good in radiating, cause the VGA
chipset working exceptional, or the mention circuit parameter is abnormal;
12：Why does the recorded video playback appear in mosaic under local DVR?
①The recording parameter setting is too low, causing the recorded video quality to be reduced,
sometime appearing as a mosaic;
②The record video file locates where there is a bad sector in a hard disk drive, which will cause the
mosaic effect.
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