Dahua Network Camera Web 3.0 Operation Manual page 93

Dahua Network Camera Web 3.0 Operation Manual
Parameter Function
It is to select "Audio Channel 1" or "Audio Channel 2" for detection
Audio channel
according to the actual needs.
Select "Enable Input Abnormal" and it will trigger alarm when it detects
Input abnormal
audio input abnormity.
Select "Enable Intensity Change" and it will trigger alarm when it detects
Intensity change
that audio intensity change exceeds the threshold.
Sensitivity It can be judged as audio abnormity when the input volume change
exceeds continuous environment volume; users need to adjust according
to the actual environment test.
Threshold It is to set the filtered environment volume intensity, if the environmental
noise is too big, then the value needs to be set higher, users can adjust
according to the actual environment test.
Note:
Working Period
It is to set the alarm period, it can enable alarm event only during the
period range which has been set.
1. Click "Setup" and the system will pop out the interface of "Working
2. It is to set working period according to the following methods:



3. Click "Save" to complete the setup of working period.
System only memorizes one event during the anti-dither period. The value
Anti-dither
ranges from 0s to 100s.
Check it and so when alarm occurs, system will auto record. You shall set
Record
record period in Storage>Schedule and select auto record in record control
interface.
Record Delay System can delay the record for specified time after alarm ended. The
value ranges from 10s to 300s.
Relay out Enable alarm activation function. You need to select alarm output port so
that system can activate corresponding alarm device when alarm occurs.
System can delay the alarm output for specified time after alarm ended. The
Alarm Delay
value ranges from 10s to 300s.
If you enabled this function, System can send out email to alert you when
Send Email
alarm occurs and ends. User can set email address in Network>SMTP.
You need to check the box here so that system can backup motion detection
Snapshot
snapshot file. You shall set snapshot period in Storage>Schedule.
Period".
You can input time numerical value or press the left mouse button to
drag on the setup interface to set.
There are six periods to be set every day, select the check box in front
of the period, and then the period is valid.
Select week number (it selects Sunday by default, if it selects the
whole week, then it means the setup can be applied to the whole
week, you can also select the check box in front of the week number
to implement independent setting for some days).
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