Q-See QSD2308L User Manual page 28

At DVR location:
STEP3 Enter Backup interface, shown as Fig 3.19 Backup Setup
STEP4 Choose the camera. And set the start and end time. Click Date
button to change the date.
If you put a check mark in the "Attach record player" option, it will
STEP5
save a file player along with the backed up files. With this player users can
make time and event searches when checking the backup.
STEP6 Click the Backup button. A window will appear as shown in Fig 3.20
Backup Information.
Note: If users install built-in DVD writer and USB device, it will show USB device in
window. It will show CD-ROM in window even though users install DVD writer
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QSD2308L/QSD2316L DVR User's Manual
Fig 3.19 Backup Setup
Fig 3.20 Backup Information