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You can congure up to four detection regions. When any one of the four regions
activates an alarm, the channel where this region belongs to will activate an alarm.
6. Right-click to exit the page.
Step 4 Click Setting next to Schedule to congure the alarm schedule.
Step 5 Congure the anti-dither period.
If multiple alarms occur during the anti-dither period, the system only record the event
once.
Step 6 Congure alarm linkage. For details, see Network Video Recorder_User's Manual.
Step 7 Click Apply.
5.10.6 Audio Detection
Background Information
The system can generate an alarm once it detects the audio is not clear, the tone color has changed
or there is abnormal or audio volume change.
Procedure
Step 1 Select Main Menu > ALARM > Audio Detection.
Step 2 Select a channel and then click to enable detection of audio exception and
intensity change.
●
Audio Exception : The system generates an alarm when the audio input is abnormal.
●
Intensity Change : Set the sensitivity and threshold. An alarm is triggered when the
change in sound intensity exceeds the dened threshold.
Step 3 Click Setting next to Schedule to congure the alarm schedule.
Step 4 Congure alarm linkage. For details, see Table 5-47 .
Step 5 Click Apply.
5.10.7 Thermal Alarm
Background Information
After receiving the alarm signal from the connected thermal devices, the system can recognize the
alarm type, and then trigger the corresponding alarm actions.
The system supports heat alarm, temperature (temperature dierence) and cold/hot alarm.
●
Heat alarm: The system generates an alarm once it detects there is a re.
●
Temperature (temperature dierence): The system triggers an alarm once the temperature
dierence between two positions is higher or below the specied threshold.
●
Cold/hot alarm: The system triggers an alarm once the detected position temperature is higher
or below the specied threshold.
●
Make sure that the connected camera supports temperature monitoring function.
●
This function is available on select models.
●
The thermal detection functions might vary depending on the connected camera. This section
uses heat alarm as an example.
User's Manual
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