IP Camera (C5900) User Manual
4.16 SD card record
Some settings about SD card record
Record cover (substitute): when the free memory of the SD card is zero, the camera would still store
up videos into the card and substitute the older data with new data Record for alarm GPIO: begins
recording when alarm triggered off by external security system.
Record for alarm motion: record when the built-in sensor being triggered off.
Record for timer: record at a given period.