EverFocus EDSR400M - Manual (Page 49)

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.
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