Toshiba Surveillix ESV16, Руководство пользователя

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ESV16 User’s Manual 135
Users can also set to keep a previous number of days of recording
data by enabling the option below. This is quite often used in
application such as banking which certain countries requires to always
keep a minimum previous number of days of recording data.
* If this option is enabled, once the hard drive is full, the recycle
function will then start but it will ensure that the number of days of
recording data defined here will stay in hard drive instead of wiping
out 20GB of data at a time.
* If the hard drive is not full, the NVR re-calculates twice a day (each
at 2:30am and 2:30pm) to keep the defined number of days of
recording data from these two particular points of time backward.