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supported. Otherwise, there may be some pause or mosaic when do Recorder or
Timeshift by force
；
4. The USB device’s file system supports FAT32 / FAT / NTFS
；
5. The system supports 4 partition connection at most at the same time
；
6. The same partition is able to store 9999 recorded files at most, namely, the biggest
number of files is 9999
；
7. The maximum size of a single file that system supports is 4GB at present. When long-
time recording, the file will be cut to create a new one automatically when its size reaches
3.9GB
；
8. The system can support USB flash disk and removable disk at present. However, it
cannot sure that all kinds of them could record or write into the storage very smoothly,
especially when the file system is in disorder. If users are opting to use a USB flash disk
as the storage media, it is recommended to format the disk before use
；
9. It will take a brief test on the speed of the USB device and then show a warning message
when the speed is not enough.
Power Lost or Device Disconnect
1. System powering off, the inserted device powering off or unexpected connection failure
during the recording process may cause substantial damage to the device or make
underlying mistakes to the file system
；
2. Abnormally interrupted recorded files are unable to be played, but after reconnection
between the device and the system, it will recover automatically while it is setting up
partition
；
3. The file-recover function: it can recover the file from recorder starting to 2 minutes
before the interruption happens. If the length of the damaged file is shorter than 2 minutes,
the file cannot be recovered again and will be deleted automatically. (the length depends
on Video bit rate and the minimum configured unit of the partition.
