User's Manual

Table Of Contents
69
4.5.2.1 Video Detection
After the motion detection is configured, the system starts alarm linkage when a mobile object
occurs in the monitoring screen and the moving speed reaches the preset sensitivity.
See4.5.1Alarmfor details.
4.5.2.2 Configuring Tampering
After tampering is configured, the system starts alarm linkage when the monitoring screen is
blocked by an object, causing the monitoring screen outputting single-color images.
In the main menu, select Alarm > Detection > Tampering.
The Tampering interface is displayed. See Figure 4-50.
Video tampering
Select the channel number, and click to enable the tampering for the
channel.
Configure the sensitivity.
The higher the sensitivity value is, the easier the mobile object detection is triggered.
The possibility of false alarm also increases.
Configure the alarm linkage action. See4.5.1Alarmfor details.
Click Apply.
4.5.3 Configuring Alarm Events Settings
Configure the alarm event detection. When the preset alarm rule is triggered, the system
starts alarm linkage. Alarm event types include local alarm and IPC offline alarm depending
on different alarm input.
Local alarm: When the alarm input port of the Device is connected to the alarm device,
and when the alarm signal is transferred to the Device through the alarm input port, the