Local Configurations 162
Select the volume for the audio clip. You can select the flash frequency
from Low, Middle, and High.
Import the upgrade audio file (.bin) to upgrade the alarm audio file of the
camera. For details, see "Upgrade Audio File of Camera
."
Table 5-38
Click Apply to complete the settings. Step 3
Upgrade Audio File of Camera
This function is supported only on the local interface.
Prepare a USB device or other external storage device and plug it into the Device. Step 1
Click Browse. Step 2
The Browse interface is displayed. See Figure 5-126.
Figure 5-126
Select the upgrade audio file (.bin). Step 3
Click OK to return to the Siren interface. Step 4
Click Start Upgrade to upgrade the alarm audio file of the camera. Step 5
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.
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