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2. Select On for Tampering Alarm .
3. Set detection sensitivity and duration for the camera to decide whether to report a tampering alarm.
Sensitivity is divided into three levels: high-level, mid-level and low-level. Compared with mid-level
sensitivity, the camera can detect blocking from a farther location when sensitivity is set to high. The
camera reports an alarm when the lens is blocked for a specified length of time.
Tampering alarm is effective to the whole screen. To disable tampering alarm, clear the Tampering
Alarm check box.
4. Set actions to be triggered by tampering alarms and the plan. For the detailed steps, see the descriptions
of alarm-triggered actions in
Configuring Motion Detection Alarm .
5. Click Save .
System Maintenance
NOTE!
This function is not supported by some models. Please see the actual model for details.
Security
User Management
There are two types of users in the system:

Administrator: referred to as “admin” in this manual. The default name of the administrator is admin,
which cannot be modified. Admin has full permission and can manage all users and devices. Only one
admin user is allowed in the system.

Common user: referred to as “user” in this manual. User only has permission to play live and recorded
video. Up to 32 common users are allowed in the system.