Maintenance Maintenance service in the content contained line maintenance, alarm equipment maintenance, monitoring, software maintenance, DVR equipment and ancillary equipment maintenance. Maintenance Services as follows: 1, the alarm signal line, a video signal line, the camera control circuit testing, troubleshooting, hidden investigation. 2, all interfaces, detection, video head replacement joints line interface and the like. 3, the monitoring system to clean up the front of the camera lens, dust removal equipment, position adjustment, equipment maintenance and replacement, troubleshooting. 4, infrared alarm detector testing, detection of position adjustment, repair and replacement of the detector, and troubleshooting. 5, the control panel and its ancillary equipment testing, equipment removal, zone adjustment and troubleshooting. 6, monitoring host equipment testing, equipment removal, maintenance, equipment maintenance and troubleshooting. 7, monitoring software testing, software upgrades, software maintenance, data backup and troubleshooting. Installation of surveillance cameras in the wired surveillance systems community to enter the camera through the video cable to the DVR or video capture card or monitor. Here between the camera and DVR, etc. is carried out by a video surveillance camera connection cable is installed, then among wireless surveillance camera video surveillance system installation fee, just to the camera's video cable to the analog wireless transmitters in remote monitoring center end has a wireless video receiver output analog video signals via the VCR connected to Win rate video cable, video capture cards. Installation of surveillance cameras installed surveillance cameras _ _ source maintenance provided by Zhengzhou source maintenance Electronic Technology Co., Zhengzhou source maintenance Electronic Technology Co., Ltd. (www.hnxywb.com) strong, credible, in Zhengzhou integrated monitoring systems and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead source maintenance and you work into the brilliant, for a better future!