2. Payback: Right-click → Main Menu → Playback → choose channel and date →
click timeline to check record.
Backup
Insert U disk to NVR USB port → Right Click → Main Menu → Backup → choose channel,
type and time → Search → select target file → Backup.
Note: If target file can not be searched out, please click Empty → Add. Please remove the
files which is no need before backup. Ensure insert device (like USB) in 30 seconds, as
system reserved searching time for it is 30 second.
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