You can configure the speed dome to trigger the alarm actions when the lens is
covered.
Steps:
1. Enter the video tampering Settings interface:
Configuration > Advanced Configuration > Basic Event > Video Tampering
Figure 6-51 Tampering Alarm
2. Check Enable Video Tampering checkbox to enable the tampering detection.
3. Set the tampering area. Refer to Step 1 in Section 6.6.1 Configuring Motion
Detection.
4. Click to edit the arming schedule for tampering. The arming schedule
configuration is the same as the setting of the arming schedule for motion detection.
Refer to Step 2 in Section 6.6.1 Configuring Motion Detection.
5. Check the checkbox to select the linkage method taken for the tampering. Notify
surveillance center, send email, trigger channel and trigger alarm output are
selectable. Please refer to Step 3 in Section 6.6.1 Configuring Motion Detection.
6. Click to save the settings.
6.6.4 Configuring External Alarm Input
Steps:
1. Enter the Alarm Input Settings interface:
Configuration > Advanced Configuration> Events > Alarm Input:
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