Vivotek NR9682-v2 64-Channel NVR (No HDD) - Manual (Page 229)

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User's Manual - 229
4. Select or configure a new schedule template for the backup process to take place. You can
select a time when the network load is low, such as the off-office hours, to avoid network
congestions.
5. On the Options pane, you can configure an upper bandwidth threshold (in Megabytes) for the
backup operation (for all selected cameras/channels).
You can select the extension of time, such as starting from how many days ago, of your
backup task. You can select to remove old backups when you run short of storage volume.