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Pre-trigger buffer recording function allows users to check what
happened to cause the trigger. The pre-trigger buffer time range is from
1 sec. to 3 sec. Select <Upload for sec> to set the recording duration
after alarm is triggered. The setting range is from 1 sec. to 99999 sec.
Select <Upload during the trigger active> to record the triggered video
until the trigger is off.
NOTE:
Please make sure the local recording (with SD card) or
the remote recording (with NAS) is activated so that this function
can be implemented. Refer to section
Recording
for further
details.
Save
Click on the <Save> button to save all the settings mentioned above.