Configuring Defocus Detection; Configuring Scene Change Detection - Hills NVC-BM1 User Manual

part of the object which can trigger the alarm. For example, when you set
the percentage as 50%, half of the object entering the region will trigger
the alarm.
Arming Schedule is configured to set the time you want the function to be
enabled.
1. Click Edit to set the arming schedule.
2. Choose to trigger alarm actions as Notify Surveillance Center, Send Email,
Upload to FTP and Trigger Channel or trigger the Alarm Output.
3. Click Save to save the settings.

5.6.8 Configuring Defocus Detection

Purpose:
The image blur caused by defocus of the lens can be detected and a series of alarm
action can be triggered.
Steps:
1. Check the Enable Defocus Detection checkbox.
2. Choose to trigger alarm actions as Notify Surveillance Center and Send
Email, or trigger the Alarm Output.
3. Click Save to save the settings.

5.6.9 Configuring Scene Change Detection

Purpose:
Scene change detection is used to detect the change of surveillance environment
Figure 5-50 Configuring Defocus Detection
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