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Surveillance camera common faults

Date:2017-01-12 Hits:682
Surveillance camera common faults

n fact, failure in terms of the camera on the two, a power failure, if not the multimeter at hand, the most intuitive is the camera cover, leaving gaps under infrared light is not bright, bright is a power failure, then hand feeling under the camera temperature, if there is a bad thermal infrared light two, if the power supply is normal, is bad camera, BNC camera is joint and have bad contact problems, of course, also need to check the video line