Dahua NVR21-4KS3 Series User Manual page 330

Figure 5-200 Parameters (Registration mode)
Parameter
Alarm Trigger Condition
Min Duration
Repeat Alarm Time
Workwear
Hat
Face Mask
Table 5-55 Parameters description
Description
Receive an alarm event according to the set rule and
display it on the live page.
● Match attributes alarm: When the detected workwear
matches the set attributes, an alarm is triggered.
● Mismatch attributes alarm: When the detected workear
does not match the set attributes, an alarm is triggered.
Set the minimum time for the person wearing the
workwear to appear in the detection area until an alarm is
triggered.
Set the repeat alarm time.
If the alarm state persists, when reaching the repeat alarm
time, the alarm is triggered again.
Select Detection Mode.
● Detect by attribute: You need to set the detection
range.
● Registration mode: You need to link the workwear
database that has been set for the front-end camera.
Receive an alarm event based on the linked workwear
database and display it.
1. Click Settings next to Linked Workwear Database.
2. Select workwear database1, and then click OK.
Select Detect for Attributes, Detection Range, and Color.
310
User's Manual