Streamax M1-SH0401 - Page 34

User manual for M1-SH0401
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Overwrite: The earliest recording file will be deleted while the HDD or SD card is full to realize loop
recording.
Lock duration: Protect the record file to be deleted by fault, default is 7 days.
Pre-recording: Pre-record before the alarm happens. Default is 15min, 0-60min optional.
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Record-->Main Stream: