H.264 Super Digital Video Recorder User Manual
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The video signal must be accorded with the state standard which has the high signal to noise ratio, low
aberration and low interference. The image must be clear and has natural color in the appropriate brightness.
B. Network HD video signal: The network HD video input port is RJ45 port, this signal comes from other
network video device (such as IPC or other DVR). And it needs to be configured in Mode shift and Number
channel item.
Insure the camera signal stable and credible
The camera should be installed in the appropriate location where is away from backlighting and low
illumination or adopts the better backlighting and low illumination compensation.
The ground and power supply of the camera and the DVR should be shared and stable.
Insure the transmission line stable and credible
The video transmission line should adopt high quality coaxial pair which is chosen by the transmission
distance. If the transmission distance is too far, it should adopt shielded twisted pair, video compensation
equipment and transmit by fiber to insure the signal quality.
The video signal line should be away from the electro magnetic Interference and other equipments signal
lines. The high voltage current should be avoided especially.
Insure the connection stable and credible
The signal and shield lines should be firm and connected credible which avoid false and joint welding and
oxidation.
2.6.2 Video output device selection and connection
The video output is divided into PAL/NTSC BNC (1.0VP-P, 75Ω) and VGA output(selective
configuration).And HDMI output( HDMI is optional).
When replace the monitor by the computer display, there are some issues to notice.
1
、
Do not stay in the turn-on state for a long time.
2
、
Keep the computer display normal working by demagnetizing regularly.
3
、
Stay away from the electro magnetic Interference.
TV is not a credible replacement as a video output. It demands reducing the use time and control the power
supply and the interference introduced by the nearby equipments strictly. The creep age of low quality TV can lead
to the damage of other equipments.
