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Alcatel OmniPCX Office - Page 126

Alcatel OmniPCX Office
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VBTEL VISUALLY IMPAIRED OPERATOR
STATION
TERMINALS
Ed. 042/2 Réf. 3EH 21000 BSAA
Perkins alphabetical order, the 2 others being the backspace (7) and space keys (8).
A set of 20 or 40 piezoelectric cells located above the Braille keyboard enables Braille characters to
be displayed. Each cell contains 8 points: points 1 to 6 serve to form the 64 characters of the Braille
alphabet; when points 7 and 8 are raised simultaneously, they represent the cursor.

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