Resetting the camera
For most of the cameras mentioned, there is a reset button at the back of the camera.
NHD-850/880 is a different story, as mentioned on the manual, you need to unscrew the bottom cover of the camera to access the reset button.
Steps to reset the camera:
- Reboot the camera by disconnecting the power source (Ethernet for PoE and power adapter for non-PoE) then plugging it back.
- Within 10 seconds of powering up the camera, press and hold the reset button for 10 seconds.