Alva braille terminal 3 series

Hello all!

Please, tell me where i can find user manual in doc or txt format for 40 
characters braille display Alva braille terminal 3 series.
If someone has this manual, please, send it me to dima_musicant@xxxxxxxx
The manual must be in english. Other languages is not required.
Pdf format is undiserable, but possibly.
If someone knows link, it wil very good for me and my thanks will not have end.

Many thanks before.
with best regards,
Dmitriy S. Budnikov
From Russia.
 mailto:dima_musicant@xxxxxxx

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