GeoVision GV-IPCAM User Manual page 275

To configure the tampering alarm:
1. Select the Enable option.
2. If you want the camera to ignore any movement or scene change in
certain areas, click the
3. Select the desired detection sensitivity by moving the slider. The
higher the value, the more sensitive the camera is to scene changes.
4. In the Tolerance Time of Alarm field, specify the time length allowed
for scene changes before an alarm is generated.
5. In the Duration of Alarm field, specify the duration of the alarm after
which the triggered output device will be turned off.
6. To trigger an alarm when the scene turns dark, e.g. the lens
of camera has been covered, select Alarm for Dark Images.
7. Click Apply to save all the settings.
8. Start monitoring to enable the function. To have output alarm, it is
required to start Input monitoring. See 16.4 Monitoring.
When the camera has been tampered, the output device can be activated.
To turn off the output device immediately, return to this setting page, and
click Restart Detection.
16
button to drag areas on the camera view.
Administrator Mode
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