Dahua HCVR21**HS-S2 Series, User Manual

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HDCVI Series DVR User
’s Manual
191
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If it is your first time to boot up the device, the disconnection status of the front-end
network camera will not be regarded as offline. After one successfully connection, all
the disconnection events will be regarded as IPC offline event.
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When IPC offline alarm occurs, the record and snapshot function of digital channel is
null.
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Alarm in: Here is for you to select channel number.
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Type: normal open or normal close.
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PTZ activation: Here you can set PTZ movement when alarm occurs. Such as go to preset, tour&
pattern when there is an alarm. Click “select” button, you can see an interface is shown as in Figure
4-128.

Period: Click set button, you can see an interface is shown as in Figure 4-129. There
are two ways for you to set periods. There are max 6 periods in one day. There are four
record types: regular, motion detection (MD), Alarm, MD & alarm.

In Figure 4-129, Select icon of several dates, all checked items can be edited together.
Now the icon is shown as
.
Click to delete a record type from one period.

In Figure 4-129. Click button after one date or a holiday, you can see an interface shown
as in Figure 4-130. There are four record types: regular, motion detection (MD), Alarm, MD &
alarm.
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Anti-dither: Here you can set anti-dither time. Here you can set anti-dither time. The value ranges
from 5 to 600s. The anti-dither time refers to the alarm signal lasts time. It can be seem as the
alarm signal activation stays such as the buzzer, tour, PTZ activation, snapshot, channel record.
The stay time here does not include the latch time. During the alarm process, the alarm signal can
begin an anti-dither time if system detects the local alarm again. The screen prompt, alarm upload,
email and etc will not be activated. For example, if you set the anti-dither time as 10 second, you
can see the each activation may last 10s if the local alarm is activated. During the process, if
system detects another local alarm signal at the fifth second, the b uzzer, tour, PTZ activation,
snapshot, record channel will begin another 10s while the screen prompt, alarm upload, email will
not be activated again. After 10s, if system detects another alarm signal, it can generate an alarm
since the anti-dither time is out.
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Show message: System can pop up a message to alarm you in the local host screen if you enabled
this function.
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Alarm upload: System can upload the alarm signal to the network (including alarm centre) if you
enabled current function.
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Send email: System can send out email to alert you when alarm occurs.
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Record channel: you can select proper channel to record alarm video (Multiple choices). At the
same time you need to set alarm record in schedule interface (Main Menu->Setting->Schedule) and
select schedule record in manual record interface (Main Menu->Advance->Manual Record).
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Latch: Here is for you to set proper delay duration. Value ranges from 10 to 300 seconds. System
automatically delays specified seconds in turning off alarm and activated output after external al arm
cancelled.
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Tour: Here you can enable tour function when alarm occurs. System supports 1/8-window tour.
Please note the tour setup here has higher priority than the tour setup you set in the Display