Niveo Professional NNAS-R4 - Manual (Page 174)

NAS System
174 User Manual
3. Click the “Selected” button. Edit the necessary options.
NOTE: It is not allowed to have duplicated or overlapping backup time.
Only one backup process can be running at a time. A scheduled
backup is set to run within 30 minutes time frame. Scheduling
another backup within a scheduled time is not allowed.
4. Click “OK” to save the changes made.