Video Backup (The premise is that the hard disk is installed in NVR) First of all, insert USB disk to NVR Right click screen---Video Backup Choose channel---Record mode---Search time---Backup to USB Disk

Open the IE browser, enter the device IP and press Enter to go. (make sure NVR and computer connect to the same router) As shown like below: Click download After successfully saved, refresh the web page or restart the browser, choose to install the ActiveX control according to clew, as shown like below: Click...

1. Check whether the distance between camera and NVR is too long. 2. Go to video manage---delete the IP which connected failed. 3. Power on camera and connect camera near to NVR via a network cable, check whether the indicator of network port is blinking, then match code again. 4. Send your version of...

1. Power off and power on the camera. 2. Reset camera to factory setting. 3. Open CMS---Add camera---Camera param---Untick IRSwap---OK

1.Check if the external antenna is loose or broken. 2.Is the camera too far from the NVR or too many obstacles? 3.If the signal placed on the side is relatively poor, you need to open the camera to see if the antenna clip on the camera module is loose or dropped.