Night Owl PRO-1681TB-2DMA user manual - Manual (Page 69)

Chapter 19: Information Menu
69
Information Menu
Use this menu to access the Device, Network, Online, and Record
Information menus.
Be sure to Apply all changes made to the menus. If you do not
apply the changes, they will not be saved.
You can also select the
Default button on any page to restore the
DVR’s original settings.