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4.6.1.4 Subscribing to Alarm
4.6.1.4.1 Alarm Types
Following are the alarm types and preparations of alarm events.
Table 4-26 Description of alarm types
Alarm Type Description Preparation
Motion Detection
The alarm is triggered when a
moving object is detected.
Motion detection is enabled. For
details, see "4.6.3.1 Setting Motion
Detection".
Disk Full
The alarm is triggered when the
free space of SD card is less than
the configured value.
Insufficient SD card space detection
is enabled. For details, see "4.6.2.1
Setting SD Card Exception".
Disk Error
The alarm is triggered when
there is a failure or malfunction
in the SD card.
SD card failure detection is enabled.
For details, see "4.6.2.1 Setting SD
Card Exception".
Video Tampering
The alarm is triggered when the
camera lens is covered or there is
a defocus in video images.
Video tampering is enabled. For
details, see "4.6.3.2 Setting Video
Tampering".
External Alarm
The alarm is triggered when
there is an external alarm input.
The device has alarm input port
and external alarm function is
enabled. For details, see "4.6.1.1
Setting Alarm-in".
Security Warning
The alarm is triggered when
there is a security warning.
Security warning is enabled. For
details, see "9.6 Security Warning"
Audio Detection
The alarm is triggered when
there is an audio connection
problem.
Abnormal audio detection is
enabled. For details, see "4.6.4
Setting Audio Detection".
IVS
The alarm is triggered when an
intelligent rule is triggered.
IVS, face detection, people
counting, or other intelligent
functions is enabled.
Scene Changing
The alarm is triggered when the
device monitoring scene
changes.
Scene changing detection is
enabled. For details, see "4.6.3.3
Setting Scene Changing".
Voltage Detection
The alarm is triggered when the
device detects abnormal voltage
input.
Voltage detection is enabled. For
details, see "4.6.2.3 Setting
Tampering Detection".
Security Exception
The alarm is triggered when the
device detects malicious attack.
Voltage detection is enabled. For
details, see "9.1 Security Status".
4.6.1.4.2 Subscribing to Alarm Information
You can subscribe alarm event. When a subscribed alarm event is triggered, the system records
detailed alarm information on the bottom of the page.
Functions of different devices might vary.
Step 1 Click on the right-upper corner of the main page.
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