CCTV Camera Installation Troubleshoot any relationship issues. Check out that the camera, DVR, and observe are all attached to a power source and turned on. Be certain your cables are securely attached and that you've got chosen the right inputs to your DVR and watch. Protected the Cables: Use cable https://www.linkedin.com/pulse/expert-cctv-camera-installation-services-uae-alpha-cctv-camera-wnfff