Digital Video Recorder User Manual
Chapter 9 VCA Alarm
Purpose
The DVR can receive the VCA alarm (line crossing detection, intrusion detection, sudden scene
change detection and audio exception detection) sent by analog camera, and the VCA detection
must be enabled and configured on the camera settings interface first. All other VCA detection
features must be supported by the connected IP camera.
LTD85XXK-ST series DVR support VCA (line crossing detection and intrusion detection) of all
channels. Channels with audio support audio exception detection.
LTD83XXK-ET series support 2-ch VCA (line crossing detection and intrusion detection).
Channels with audio support audio exception detection.
For the analog channels, the line crossing detection and intrusion detection conflict with
other VCA detection such as sudden scene change detection, face detection and vehicle
detection. You can only enable one function.
9.1 Face Detection
Purpose
Face detection function detects the face appears in the surveillance scene, and some certain
actions can be taken when the alarm is triggered.
Step 1 Enter the VCA settings interface.
Menu > Camera > VCA
Step 2 Select the camera to configure the VCA.
You can check the checkbox of
Save VCA Picture
to save the captured pictures of VCA
detection.
Step 3 Select the VCA detection type to
Face Detection
.
Step 4 Click
to enter the face detection settings interface. Configure the trigger channel,
arming schedule, linkage action and PTZ linking for the face detection alarm. Please refer to
step 3 to step 5 of
Chapter 8.2 Setting Sensor Alarms
for detailed instructions.
Step 5 Click the
Rule Settings
button to set the face detection rules. You can drag the slider to set
the detection sensitivity.
Sensitivity:
Range [1-5]. The higher the value is, the more easily the face can be detected.
Step 6 Click
Apply
to activate the settings.
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