Dahua DH-5208AN-4KL-X-8, Руководство пользователя

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Local Configurations 60
Figure 5-27
Configure the record settings parameters. See Table 5-9. Step 2
Parameter Description
Channel In the Channel list, select a channel to record the video.
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 > HDD MANAGER , and then 
set a HDD as redundant HDD.
Select Main Menu > STORAGE > SCHEDUE > 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.
 Not all models support this function.

The redundant HDD only back up the recorded videos but not
snapshots.
Event type
Select the check box of the event type which includes General , MD
(motion detect, video loss, tempering, diagnosis), Alarm (IoT alarms,
local alarms, alarms from alarm box, IPC external alarms, IPC Offline
alarms), MD&Alarm , Intel (IVS events, face detection), and POS .