Video Detection - Dahua DH-XVR4104C-X User Manual

Step 3 Click Apply to complete the settings.
Upgrade Audio File of Camera
This function is supported only on the local interface, and not supported on the web.
Step 1 Prepare a USB device or other external storage device and plug it into the Device.
Step 2 Click Browse.
The Browse interface is displayed. See Figure 5-120.
Step 3 Select the upgrade audio file (.bin).
Step 4 Click OK to return to the Siren interface.
Step 5 Click Start Upgrade to upgrade the alarm audio file of the camera.

5.10.4 Video Detection

Video detection adopts computer vision and image processing technology. The technology
analyzes the video images to detect the obvious changes such as moving objects and
blurriness. The system activates alarms when such changes are detected.
5.10.4.1 Configuring Motion Detect Settings
When the moving object appears and moves fast enough to reach the preset sensitivity value,
the system activates the alarm.
To configure the motion detect settings, do the following:
Step 1 Select Main Menu > ALARM > VIDIEO DETECT > Motion Detect.
The Motion Detect interface is displayed. See Figure 5-121.
Figure 5-120
Local Configurations 148