Encoder and Device Configuration
Setting Tamper Detection
70
Figure 5-7
Audio Settings on the Compression Settings Tab
Connected cameras can be configured to detect three types of sabotage detection via the
Video Analytics view (see
Figure
tampering with the camera field of view. Each setting has three threshold levels: high (80%),
medium (50%), and low (30%). When these thresholds are exceeded, an alarm message
displays on the video display to indicate that a possible camera tampering has occurred
(see
Figure
5-9).
When the following conditions are applicable, the tamper detection features must be
manually disabled to avoid raising false alarms:
•
During the configuration of the video display
•
While text is overlaid on the video
•
If the video display becomes too dark
5-8): blinding the camera, blurring the video display, and