Connections Instructions - NightWatcher 8 channel D1 Realtime DVR User Manual

Connections Instructions

Installation connections sketch map
Below just as the 4CH DVR for example, specifically please refer to practical product.
Audio and video input / output connections
Video input connections
The video input port is BNC connector plug. The demand of input signal is PAL/NTSC BNC
(1.0V ,75Ω).
P-P
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.
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.
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