Lupus Electronics LUPUSTEC LE800 D1, Руководство пользователя, Страница: 151 / 180

54
ENGL
IS
H
Item Description
From Backup file starting time
To
Backup file ending time
Device Select USB as the backup device
Free Space The available space in your backup device
Refresh Recalculate the available space of backup device
Calculate Calculate the size of backup file
Start
Start backup operation. Be sure to calculate the size of backup file BEFORE
operating backup.
NOTE
！
Do not unplug the USB device or turn off the DVR during the backup process to avoid
unrecoverable error. When backup is completed, you need to re-plug in order to
insure proper function.