4CH DVR_FXV-H1304 User Manual
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CHAPTER 5 BACKUP & SEARCH
5-1 BACKUP SETUP
User can backup any segment of recorded data in a specified time frame. To do so, either a CD
R/W or storage device, like USB, must be connected to the DVR. The format of backup file is
IRF
file that can be played by both
“Ifileplay” and “CMS”
＊
:Use the USB flash backup, the system will automatically copy "Ifileplay" to the USB
Item
Description
From
The start time of backup file
To
The end time of backup file
Device
Select USB or PC as the backup device
Free Space
The available space in your backup device. (not available for PC backup)
Refresh
Recalculate the available space of backup device. (not available for PC backup)
Required Space
Show the size of the backup file
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.
