ALARM – RESET TYPE:
Select the type of alarm-reset input to be Normal Close (N.C.) or Normal Open (N.O.)
ALARM DURATION TIME:
Alarm duration from 01 seconds to 90 seconds.
PRE-ALARM OPERATION:
ON: Enables pre-alarm recording,
OFF: Disables pre-alarm recording.
RECORDING SPEED:
Set the recoding speed in pre-alarm duration.
Notice:
The recording quality in pre-alarm duration is the same as recording quality before alarm occurs. If the recorder is not recording before alarm occurs, the recording quality in pre-alarm duration will be the same as instant recording quality.