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6. Alarm configuration
Open timing recording and alarm recording at same time, the device will only
record alarm recording.
6.1 Gray value alarm
If gray difference value in the area greater than the threshold, it will alarm.
1. From alarm menu, select <gray value>tab.
2. Open <Gray value>.
3. You can select a part area of screen as detection area or deleted area.
• Detection area: By dragging with the mouse, you can select regions need to detect, drag the
mouse and hold shift or Ctrl key select multiple regions, highlight areas for selected effective
regional.
• Deleted area: You can delete the area by dragging with the left key of mouse to move.