User's Manual
220
Step 2
Select a channel and click
Add
.
Step 3
Select
Enable
and set
Type
to
People No. Exception Detection
.
Step 4
Click
, and then click and hold left mouse key to draw an area on the screen.
Step 5
Configure parameters.
Table 4-32
Parameter
Description
Sensitivity
Set alarm sensitivity.
Duration
Set the minimum time of triggering an alarm when the number of
people reaches threshold.
Repeat Alarm Time
Set repeat alarm time. If the alarm status continues, an alarm will be
trigger again when repeat alarm time is reached.
Alarm People No.
When the interval between people in the area is greater than or equal
to or less than the set interval threshold, an alarm will be triggered.
Step 6
Click
OK
.
4.7.1.4.4 People Stay Detection
When the target stays beyond the set retention time threshold in the detection area, an alarm will be
triggered.
Step 1
Select
Main Menu
>
AI
>
Parameters
>
Stereo Analysis
.
Step 2
Select a channel and click
Add
.
Step 3
Select
Enable
and set
Type
to
People Stay Detection
.
Step 4
Click
, and then click and hold left mouse key to draw an area on the screen.
Step 5
Configure parameters.
Table 4-33
Parameter
Description
Sensitivity
Set alarm sensitivity.
Duration
Set the minimum time of triggering an alarm when people stay in the
detection area.
Repeat Alarm Time
Set repeat alarm time. If the alarm status continues, an alarm will be
trigger again when repeat alarm time is reached.
Alarm People No.
When the interval between people in the area is greater than or equal
to or less than the set interval threshold, an alarm will be triggered.
Step 6
Click
OK
.
4.7.1.4.5 Violence Detection
When the target in the detection region has large body movements such as smashing, fighting,
waving, and bouncing, an alarm will be triggered.
Step 1
Select
Main Menu
>
AI
>
Parameters
>
Stereo Analysis
.
Step 2
Select a channel and click
Add
.
Step 3
Select
Enable
and set
Type
to
Violence Detection
.
Step 4
Click
, and then click and hold left mouse key to draw an area on the screen.
Summary of Contents for NVR41-4KS2 Series
Page 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 1 0 ...
Page 74: ...User s Manual 58 Figure 2 79 Alarm input port Figure 2 80 Alarm input port ...
Page 101: ...User s Manual 85 Figure 3 41 Step 9 Secure the HDD bracket and put the top cover back ...
Page 132: ...User s Manual 116 Figure 4 19 Modify IP Step 3 Set parameters See Table 4 5 ...
Page 147: ...User s Manual 131 Figure 4 29 Period Step 3 Set record type See Figure 4 30 ...
Page 452: ...User s Manual ...
