If the default "blank" password does not work and you have forgotten the one you created, you can use several recovery methods provided by Annke Technical Support .
If your DVR shows a specific system date on the monitor, take a photo of the screen showing the serial number and date and send it to Annke Support . They can generate a temporary "Super Password" valid only for that specific date. Best Practices for DVR Security To avoid being locked out or compromised:
The username is admin and the password field is left blank .
Even if your DVR allows a blank password, change it immediately to a complex one.
The DN81R is an 8-channel 1080P HD security DVR. When you first boot the device, you will typically encounter one of two scenarios: