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Note: The audio needs to be connected to a powered audio output device.
Remote PC Configuration
Connect a microphone and powered speakers to the computer.
Enable bidirectional communication in the client software or the Web interface.
5.5. HARD D ISK REDUNDANCY
The hard disk drive (HDD) redundancy function can backup recorded files. The User can then
retrieve files from a redundant HDD if a single HDD is damaged. This enhanced system data
safety.
The HDD redundancy function performs a double backup of data from the designated channel to
the HDD, so the DVR needs a standalone hard disk for the redundancy function to be effective.
Hard Disk Redundancy Configuration
Open the Main Menu and then the Storage menu to access storage configuration. Select an HDD
as the redundant drive, and then click on Setting.
The Redundancy HDD must be an independent drive. The User can set several hard disks as a
redundancy HDD group. Once an HDD is assigned as a redundant HDD, recorded data can be
saved to both the main HDD and the redundant HDD.
The data on the redundant HDD should be automatically cycled; the cycle period depends on the
recording data and the capacity of the redundant HDD.
Note
: Make sure there are two HDDs, with at least one in the DVR. One is for read and write
and the other for redundancy.
Channel Redundancy Configuration
The User can choose some or all of the channels to back-up. Go to
【
Configuration
】
→
【
Record
】
and choose a channel, then check the
【
Redundancy
】
box.
Note
: Data can only be saved to a normal read/write HDD if Redundancy is not enabled.
Retrieve HDD Redundancy
The User can retrieve backup recordings from the back-up HDD when the main R/W HDD is
damaged or data is lost. First, shut down the DVR and remove the damaged HDD, then restart
DVR. Next, go to
【
Main menu
】
→
【
Storage
】
and set the back-up (redundant) HDD as the
main read/write HDD, after which it can be searched.