Panasonic WV-V2530LK Operating Instructions Manual page 79

Pre-event Please input pre-event record value here.
Record
For example, system can record the four seconds video in the buffer.
The record begins from the fifth second.
Note:
Configure pre-record time, when alarm or motion detection occurs, if
there is no record, system will record the preceding n seconds
record.
There are two options: stop recording or overwrite the previous files
Disk Full
when SD is full.
Stop: Current working SD is overwriting or current SD is full, it

will stop record.
Overwrite: Current working SD is full; it will overwrite the

previous file.
There are three modes: Auto/Manual/Off. It starts recording when
Record
selecting manual mode, it records within the range of schedule when
Mode
selecting auto mode.
There are two options: Main Stream and Sub Stream1.
Record
Stream
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