Dahua NVR52-16P-4KS2 Series, Руководство пользователя

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User's Manual
130
Parameter Description
Pre-record
In the Pre-record list, enter the amount of time that you want to start
the recording in advance.
Redundancy
If there are several HDDs installed to the Device, you can set one of
the HDDs as the redundant HDD to save the recorded files into
different HDDs. In case one of the HDDs is damaged, you can find the
backup in the other HDD.
●
Select Main Menu > STORAGE > Disk Manager , and then set a
HDD as redundant HDD.
●
Select Main Menu > STORAGE > Schedule > Record , and then
select the Redundancy check box.
◇
If the selected channel is not recording, the redundancy
function takes effect next time you record no matter you
select the check box or not.
◇
If the selected channel is recording, the current recorded files
will be packed, and then start recording according to the new
schedule.
●
This function is for some series products only.
●
The redundant HDD only back up the recorded videos but not
snapshots.
ANR
You can set ANR (auto network resume) function.
●
The IPC continues record once the NVR and IPC connection fails.
After the network becomes normal, the NVR can download record
file during the offline period from the IPC. It is to guarantee there
is no record loss on current connected IPC channel.
●
Set the max. record upload period. Once the offline period is
longer than the period you set here, IPC can only upload the
record file during the specified period.
This function is for IPC that installed SD card and the record function
is enabled.
Period
Define a period during which the configured recording setting is
active. See Figure 4-29.
The system only activates the alarm in the defined period.
Copy to
Click Copy to to copy the settings to other channels.