Dahua Technology WizSense IPC-HFW3441E-SA Operation Manual page 17

Video Metadata
● Snap people, non-motor vehicle and vehicle, and display the related information on the live
interface.
● When an alarm is triggered, the system links alarm output.
Alarm Setting
● The alarm is triggered when an external alarm input device inputs alarm.
● When an alarm is triggered, the system performs linkages such as recording, alarm output,
sending email, PTZ operation, and snapshot.
Abnormality
● SD card error, network disconnection, illegal access, voltage detection and security exception.
● When SD card error or illegal access is triggered, the system links alarm output and sending
email.
● When network disconnection alarm is triggered, the system links recording and alarm output.
● When the input voltage is more or less than the rated voltage, the alarm is triggered and the
system links sending email.
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Operation Manual