QNAP Security NVR-101 (Version: 2.8.0) - Manual (Page 69)

5.6.5 Advanced Settings
You can configure advanced recording settings in this section.
z Maximum period for each recording file: Configure the maximum length of
each recording file (maximum 15 min).
z When the available storage is less than …GB: Select the action to take
when the available storage is less than the preset level. You can select to
overwrite the oldest recordings or stop writing new recordings.
z Keep alarm recordings for at least …day(s): Specify the number of days
that alarm recordings will be retained. This will prevent the recording files
from being overwritten when the free storage space is insufficient.
z Remove recordings after …day(s): Enter the number of calendar days for
NVR to keep the recording files.
Please make sure your storage capacity is enough for saving the data for the
number of calendar days you set. When recording data has reached the
expiry date, expired video files will be deleted. For example, if you set to
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