QNAP Security NVR-101 (Version: 2.8.0) - Manual (Page 74)

z Enable front video backup button
NVR supports direct copy of recording data on the server to the connected USB
device via the USB port. You can set the number of days that the video is
recorded to copy to the device.
To use this function, please follow the steps below:
1. Set the number of days that the latest recordings should be backed up. If
3 days are entered, the recordings of today, yesterday and the day before
yesterday will be backed up.
2. Connect a USB storage device, e.g. USB disk drive to the front USB port of
NVR.
Press the Backup button on NVR. The recording data on NVR will start to
be copied to the USB device instantly. If the USB device is recognized,
the USB LED glows in blue. The USB LED will blink in blue when the data
is being copied. The LED will become blue again when data copy is
finished. You can then safely remove the device.
Note: Video backup function supports only USB device of 10GB storage
capacity or above.
One Touch Auto
Video Backup
USB 2.0
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