Hikvision User Manuals for CCTV
To setup the iVMS-4500 for your local devices (DVRs, NVRs and cameras), just open the menu and click on "Devices".
Click the (+) button to add a new local device.
Click the Manual Adding button on the top right side
Enter all the information to add the DVR, NVR or camera
After adding the devices, just click the button "Start Live View"
And... it's done ! You should have live image from the NVR.