Digital Video Recorder User Manual
173
The image blur caused by defocus of the lens can be detected, and some certain actions can be
taken when the alarm is triggered.
Please refer to the
Chapter 9.1 Face Detection
for operating steps to configure the defocus
detection.
The
Sensitivity
in the Rule Settings ranges from 1 to 100, and the higher the value is, the
more easily the defocus image can trigger the alarm.
10.15 PIR Alarm
Purpose
A PIR (Passive Infrared) alarm is triggered when an intruder moves within the detector's field of
view. The heat energy dissipated by a person, or any other warm blooded creature such as dogs,
cats, etc., can be detected.
Step 1
Enter the VCA settings interface.
Menu> Camera> VCA
Step 2
Select the camera to configure the VCA.
You can click the checkbox of
Save VCA Picture
to save the captured pictures of VCA
detection.
Step 3
Select the VCA detection type to
PIR Alarm
.
Step 4
Click
to configure the trigger channel, arming schedule and linkage action for the PIR
alarm.
Step 5
Click the
Rule Settings
button to set the rules. Please refer to the
Chapter 9.1 Face Detection
for instructions.
Step 6
Click
Apply
to activate the settings.