Hi Yasemin,
This isn't off topic - it's very much on topic. What commands have you tried
and what happened? What is the brltty version and where did you get it (a
Debian command, tarball, SVN...)?
--
Lee Maschmeyer
<lee_maschmeyer at wayne.edu>
"Be kind to your fur-bearing friends,
For a skunk may be somebody's brother."
--Fred Allen