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The alarm is triggered
when moving object is
detected.
Motion detection is enabled. For details, see
"5.4.1 Setting Motion Detection."
The alarm is triggered
when the free space of
SD card is less than the
set value.
The SD card no space function is enabled. For
details, see "5.18.1 Setting SD Card."
The alarm is triggered
when there is failure or
malfunction in the SD
card.
SD card failure detection is enabled. For
details, see "5.18.1 Setting SD Card."
The alarm is triggered
when the camera lens is
covered or there is
defocus in video images.
Video tampering is enabled. For details, see
"5.4.2 Setting Video Tamper."
The alarm is triggered
when there is external
alarm input.
The device has alarm input port and external
alarm function is enabled. For details, see
"5.17 Setting Relay-in."
The alarm is triggered
when the number of
consecutive login
password error is up to
the allowable number.
Illegal access detection is enabled. For
details, see "5.18.3 Setting Illegal ."
The alarm is triggered
when there is audio
connection problem.
Abnormal audio detection is enabled. For
details, see "5.5 Setting Smart Motion
Detection."
The alarm is triggered
when intelligent rule is
triggered.
Enable IVS, crowd map, face detection or
people counting, and other intelligent
functions.
The alarm is triggered
when the device
monitoring scene
changes.
Scene changing detection is enabled. For
details, see "5.4.3 Setting Scene Changing."
The alarm is triggered
when the device detects
abnormal voltage input.
Voltage detection is enabled. For details, see
"5.18.4 Setting Voltage Detection."
The alarm is triggered
when the device detects
malicious attack.
Voltage detection is enabled. For details, see
"5.18.5 Setting Security Exception."
5.1.2.2 Subscribing Alarm Information
You can subscribe alarm event. When a subscribed alarm event is triggered, the system
records detailed alarm information at the right side of the interface.
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