117
Alarm Type
Description
Preparation
Motion
Detection
The alarm is triggered
when moving object is
detected.
Motion detection is enabled. For details, see
"5.4.1 Setting Motion Detection."
Disk Full
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."
Disk Error
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."
Video
Tampering
The alarm is triggered
when the camera lens is
covered
or
there
is
defocus in video images.
Video tampering is enabled. For details, see
External Alarm
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
Illegal Access
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 ."
Audio Detection
The alarm is triggered
when there is audio
connection problem.
Abnormal audio detection is enabled. For
details, see "5.5 Setting Smart Motion
IVS
The alarm is triggered
when intelligent rule is
triggered.
Enable IVS, crowd map, face detection or
people
counting,
and
other
intelligent
functions.
Scene
Changing
The alarm is triggered
when
the
device
monitoring
scene
changes.
Scene changing detection is enabled. For
details, see "5.4.3 Setting Scene Changing."
Voltage
Detection
The alarm is triggered
when the device detects
abnormal voltage input.
Voltage detection is enabled. For details, see
"5.18.4 Setting Voltage Detection."
Security
Exception
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.