DVR systems WatchNET Software - Manual (Page 16)

NDVR Server Manual
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User can also select the number of data package for each disk in the
drop-down list. After assigning the New Data Package, press
button to create data package and index for recording.
Note:
1) Please format the whole disk thoroughly before using it as a recording
drive.
2) Each package for recording (Recdata****.mp4) is 256MB and it is
associated with its index file (RecIndex****.inx). Both file must exist
for the system to work or the user can ’t playback recording data
correctly. Also, user can ’t modify them unless deleting them together
manually.
3) By default, disk C are used for system application, so our software will
not use it (default: 【New Data Package】= 0) unless you change it.
4) Since windows will pop up information to warn when the disk has low
space, by default, our software will leave 3 packages (about
256*3=768 MB) for disks (except C and D) to avoid that information.
That is to say, the default value of disks (except C):
【 New Data Package 】 = 【 Residual Data Package 】 -3
5) Software will cost much more time to create data package and index
for FAT32 system than that for NTFS.