Operation Manual

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Step 2
Select audio channel.
Step 3
It is to set audio detection parameters, please refer to Table 4-27 for more details.
Parameter
Function
Enable Input
Abnormal
Select the check box, it will generate alarm when it detects audio input
abnormity.
Enable Intensity
Change
Select the check box, it will generate alarm when it detects there is audio
intensity change and it 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.
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
Period”.
2. It is to set working period according to the following methods:
 You can input time numerical value or press the left mouse button to
drag on the setup interface to set.
 Click the "Setup" of corresponding week, select the check box in front of
the period on the bottom of the interface, and input time value, there are
six periods to be set every day.
3. Click “Save” to complete the setup of working period.
Anti-dither
System only records one motion detection event during the anti-dither
period.
Record
Select check box and set record channel, the corresponding channel will
implement alarm and record automatically when alarm happens.
Note
 Please refer to "4.1.2.5 Set Path" for record file storage location query
and setting.
 The system record needs to meet following two conditions when alarm
happens.
 It has enabled motion detection record, please refer to "4.5.1.1
Configure Record Schedule" for more details.
 It has set auto record, please refer to '4.5.3 Configure Record
Control" for more details.
Record Delay
System can delay the record for specified time after alarm ended.
Relay-out
Connect alarm output port to alarm device (such as lamplight, siren and so
on), select check box and set alarm output device, enable alarm linkage
output port, and the system can activate corresponding alarm output device
when alarm occurs.