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■ Audio detection
A preset threshold can be congured with an external microphone as the trigger to system event. The
triggering condition can be an input exceeding or falling below a threshold. Audio detection can take
place as a complement to motion detection or as a method to detect activities not covered by the
camera's view.
Once you have a preset audio alarm level, you can dene the triggering condition either as an audio input rises above or
falls below the alarm level.
■ Camera tampering detection
This option allows the Network Camera to trigger when the camera detects that is is being tampered
with. To enable this function, you need to congure the Tampering Detection option rst. Please refer
to page 112 for detailed information.
■ Manual Trigger
This option allows users to enable event triggers manually by clicking the on/off button on the
homepage. Please congure 1 to 3 associated events before using this function.