The filter can be set to be executed only in certain circumstances.
If none of them has been selected, it will do the real time backup
from the source to the destination in full.
File size: From xx ~ xxx
If xx=1 and xxx blank then only file size > xx will
execute real time backup.
If xx=1 and xxx=2 then only size in between xx and xxx
will execute real time backup.
If xx blank and xxx=2 then only file size < xxx will
execute real time backup.
Include File Type: Only the associated file format will do the real
time backup.
Exclude File Type: The excluded file format won’t be included in
the real time backup.
For document file format: doc, xls, pdf, docx, xlsx, txt, ppt,
pptx, html, htm
For picture file format: jpg, bmp, tif, png, pbm, tga, xar,
xbm
For video file format: avi, mpg, mp4, mkv, fli, flv, rm, ram
For music file format: mp3, wav, wma, acc, dss, msv,
dvf, m4p, 3gp, amr, awb
User defined can be input in other box.