HIKVISION DS-2TD2137-4/P User Manual page 40

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 varies according to different models.
Thermal Network Camera User Manual
27