HEXA HSDVR3507A, User Manual, Page: 81 / 88

H.264 Network DVR
Copyright 20090by hexacctv co.,Ltd
The operation of update failure.
1.U disk compatibility bad .,and the host cannot recognize it ,change a new brand ,and try again;
2.The USB connect bad.
In monitor or tv ,the image shows black and white.
·Check the video input ,DVR ,monitor or TV is exactly the same video format ,if it isn’t ,please change the setting to automatic station.
The monitor or pc screen cannot show anything.
1.Check whether the power of monitor is on ,and the brightness is at the minimum station;
2.Check whether the connection of video cable is ok.
The water ripple of image is clearly ,and have interference distortion.
1.Check whether there exist short-circuit;
2.The video cable was interfered by heave current ,and the video cable cannot connect together with the heave current circuit .please choose the
shielded cable;
3.Check whether the monitor or tv is aging.
Real-time image and video data exist the problem of color distortion.
1.Check whether the video input&output setting is right;
2.Check whether the connection is right.
When using the pc screen ,the image get the problem of distortion and color cast.
1.Check the connection of VGA cable and the DVR is right;
2.The temperature of DVR working is too high,or the heat can't dissipate, which may cause the chipset of VGA cannot work normally,or the setting