Vivotek NR9682-v2 64-Channel NVR (No HDD) - Manual (Page 225)

VIVOTEK - A Leading Provider of Multimedia Communication Solutions
User's Manual - 225
4-4. Settings > Recording > Recording Options
Click Settings > Recording options. The Recording options window will prompt.
You can configure recording schedules or select the storage options, including the configuration
of an external NAS storage.