
Network Video Recorder User Manual
139
Figure 12-11
Defocus Detection
Step 3
Select a
camera
to configure.
Step 4
Check
Enable Defocus Detection
.
Step 5
Optionally, check
Save VCA Picture
to save the captured defocus detection pictures.
Step 6
Drag the
Sensitivity
slider to set the detection sensitivity. Sensitivity
range: [1-100]. The higher the
value, the more easily the defocus image will be detected.
Step 7
Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Step 8
Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Step 9
Click
Apply
.
12.12 PIR Alarm
Purpose
A PIR (Passive Infrared) alarm is triggered when an intruder moves within the detector vision field.
The heat energy dissipated by a person or any other warm blooded creature such as dogs, cats, etc.,
can be detected.
Step 1
Go to
System > Event > Smart Event
.
Step 2
Click
PIR Alarm
.