HIKVISION iDS-7700NXI-I4/16P/16S Series - Defocus Detection

5. Set the detecon rules.
1) Select Excepon Detecon.
2) Check Audio Loss Excepon, Sudden Increase of Sound Intensity Detecon, and/or Sudden
Decrease of Sound Intensity
Detecon.
Audio Loss
Excepon
Detects a steep sound rise in the surveillance scene. Set Sensivity and Sound Intensity
Threshold for the steep sound rise.
Sensivity
The smaller the value is, the more severely the change would trigger the detecon. Range
[1-100].
Sound Intensity Threshold
It can
lter the sound in the environment. The louder the environment sound is, the higher
the value should be. Adjust it according to the environment. Range [1-100].
Sudden Decrease of Sound Intensity Detecon
Detects a steep sound drop in the surveillance scene. Detecon sensivity [1-100].
6. Set the arming schedule. Refer to Congure Arming Schedule .
7. Set the linkage
acons. Refer to Congure Linkage Acons .
8. Click Apply.
6.2.11 Defocus
Detecon
Image blur caused by lens defocus can be detected.
Steps
1. Go to Smart Analysis → Smart Event Sengs → Other Events .
2. Select a camera.
3. Click Defocus.
Network Video Recorder User Manual
71