NVR User Manual
42
3.7 Advanced
The following sub menus are available:
HDD Manage
,
Digital Channel
,
USB Update
,
Configuration
,
Maintenance
,
Default
, and
Shut Down
.
3.7.1 HDD Manage
The NVR supports SATA disks. To access the
HDD Manage
screen, choose
Main
Menu
>
Advanced
>
HDD Manage
.
Type
,
Capacity
, and
Record Time
show properties of the current hard disk. In the
Set
drop‐down list,
the
Read only
,
Read/Write
,
Redundant
, and
Format
options are available. The setting takes effective
after you click
Execute
.
?
Note:
To enable the redundancy function, you can set one or more hard disks to the redundant
disks. After the redundancy function is enabled on the
Record Setting
screen, record files are recorded
in the read/write disk sequence and redundant disk sequence. The cyclic overwrite policy is always
applied to redundant disks. If a redundant disk is full, old data on the disk will be overwritten by new
data. Therefore, the number of redundant disks can be different from that of read/write disks. At least
one read/write disk must be set. Otherwise, recording cannot be enabled even when redundant disks are
