User Manual

Digital Video Recorder User Manual
174
Chapter 10 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.

The DS-7100 series DVR do not support the VCA alarm.

DS-7200/7300/8100/9000HUHI-F/N series DVR support VCA (line crossing detection and
intrusion detection) of all channels. DS-7600HUHI-F/N series DVR support 2-ch VCA (line
crossing detection and intrusion detection). Channels with audio support audio exception
detection.

HQHI series DVR excluding 7100 series support 2-ch VCA (line crossing detection and
intrusion detection). Channels with audio support audio exception detection.

Other models support 1-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 and heat map or people counting functions. You can only enable one function.
10.1 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 click the checkbox of Save VCA Picture to save the captured pictures of VCA
detection.