TKH security BL2002PID User Manual page 52

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Audio Loss Detection
Detect sudden loss of audio track.
Sudden Increase of Sound Intensity Detection
Detect sudden increase of sound intensity. Sensitivity and Sound Intensity Threshold are
configurable.
NOTE: ● The lower the sensitivity is, the more significant the change
should be to trigger the detection.
● The sound intensity threshold refers to the sound intensity reference
for the detection. It is recommended to set as the average sound
intensity in the environment. The louder the environment sound, the
higher the value should be. You can adjust it according to the real
environment.
Sudden Decrease of Sound Intensity Detection
Detect sudden decrease of sound intensity. Sensitivity is configurable.
3. Refer to Set Arming Schedule for setting scheduled time. Refer to Linkage Method Settings for
setting linkage methods.
4. Click Save.
NOTE: The function is only supported by certain models. The actual function varies
according to different models.
Set Defocus Detection
The blurred image caused by lens defocus can be detected. If it occurs, the device can take linkage
actions.
Steps
1. Go to Configuration → Event → Smart Event → Defocus Detection .
2. Check Enable.
3. Set Sensitivity. The higher the value is, the more easily the defocus image can trigger the alarm.
You can adjust the value according to the actual environment.
4. For the linkage method settings, refer to Linkage Method Settings .
5. Click Save.
NOTE: The function is only supported by certain models. The actual display varies with
models.
Detect Scene Change
Scene change detection function detects the change of the scene. Some certain actions can be
taken when the alarm is triggered.
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BL2002PID
User ManualBL2002PID
January 4, 2021 Meridiaan 32
2801 DA, Gouda
Page 52
The Netherlands