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Figure 3-43
3.5.5 Alarm
In the main menu, from Setting to Alarm, you can see alarm setup interface. See Figure 3-44.
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Alarm in: Here is for you to select channel number.
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Event type: There are four types. Local input/IPC external/IPC offline alarm.
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Local input alarm: The alarm signal system detects from the alarm input port.
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IPC external alarm: It is the on-off alarm signal from the front-end device and can
activate the local NVR.
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IPC offline alarm: Once you select this item, system can generate an alarm when the
front-end IPC disconnects with the local NVR. The alarm can activate record, PTZ, snap
and etc. The alarm can last until the IPC and the NVR connection resumes.
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Enable: Please you need to highlight this button to enable current function.
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Type: normal open or normal close.
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Period: It is to set local alarm period. System only enables local alarm in the specified period.
Click the Set button; you can select the business day and the non-business day. Please note
for the work day/free day setup and the specific work day setup, system just saves the latest
setup. For example, the work day ranges from 8:30-17:30 Monday to Friday, and then you
set the period 7:10-18:00 for Monday. So, the arm period of the Monday ranges from 7:10 to
18:00. Please highlight the corresponding button to enable this function.
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PTZ activation: When an alarm occurred, system can activate the PTZ operation. The PTZ
activation lasts an anti-dither period.
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In the Pan/Tilt/Zoom interface (Main menu->Setting-> Pan/Tilt/Zoom), please set video
channel, speed dome protocol and etc.
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Select the channel of current speed dome as current monitor video and the right click
mouse to select Pan/Tilt/Zoom item. Now you can set preset, tour pattern.
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In Figure 3-45, click “select” button, you can see an interface is shown as in Figure 3-46.
Here you can set the activation operation such as preset tour, pattern and enable.
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Anti-dither: 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
