VIVOTEK
112 - User's Manual
■ 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 128 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.