DVR systems NVR60xx Series - Manual (Page 129)

8.7 Triggering or Clearing Alarm Output
Manually
Purpose:
Sensor alarm can be triggered or cleared manually. If Manually Clear is selected in the dropdown list of dwell
time of an alarm output, the alarm can be cleared only by clicking Clear button in the following interface.
Steps:
Select the alarm output you want to trigger or clear and make related operations.
Menu> Manual> Alarm
Click Trigger/Clear button if you want to trigger or clear an alarm output.
Click Trigger All button if you want to trigger all alarm outputs.
Click Clear All button if you want to clear all alarm output.
Figure 8. 19 Clear or Trigger Alarm Output Manually