You  have  to  set  the  recording  schedule  to  realize  this  function.  Please  refer  to 
Section 5.1.1 Configuring Recording Schedule for settings the recording schedule. 
  Trigger Alarm Output 
Trigger one or more external alarm outputs when an event occurs. 
 
To  trigger  an  alarm  output  when  an  event  occurs,  please  refer  to  Section  5.2.4 
Configuring Alarm Output to set the alarm output parameters. 
 
5.2.2  Configuring Video Tampering Alarm 
Purpose: 
You can configure the mini PTZ camera to trigger the alarm actions when the lens is covered. 
Steps: 
1.  Enter the Video Tampering Settings interface  : 
Configuration > Event > Basic Event > Video Tampering 
 
Figure 5-17 Tampering Alarm 
2.  Check Enable checkbox to enable the tampering detection.