GeoVision GV-Fisheye, Руководство пользователя

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To configure the tampering alarm:
1. Select Enable .
2. If you want the camera to ignore any movement or scene change in certain areas, click
the button to drag areas on the camera view.
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. when the lens of camera is covered,
make sure the Alarm for Dark Images option is enabled. By default, this option is
enabled.
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 4.4 Monitoring.
When the camera has been tampered with, the output device can be activated. To turn off
the output device immediately, return to this setting page, and click
Restart Detection .