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Click it on for using Audio Detection function as a sensor. You can set audio detection function at the
audio detection function screen.
¾ Threshold: It means the extent which the alarm will be triggered. The default value is 50 and
the value range is 0~100. The larger the value, the higher the threshold.
¾ Sensitivity: It means that how often the sensor will scan the image different. The higher
sensitivity it is and the more frequently it scans. The default value is 5 and the value range is
1~10. The larger the value, the higher the sensitivity.
7.10 System Log
The System Log function allows users to review any changes and events happened. The system starts
logging automatically after started.