Optelec
ALVA 640 Comfort
Page 8
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2.1.5. ALVA 640 Comfort Braille keyboard lay-out
The ALVA 640 Comfort is designed with an eight-key Braille keyboard that is located
directly behind the 40 cell Braille line. The Braille keyboard consists of eight Braille
keys, a space bar, a Ctrl key, a Windows key, an Enter key and an Alt key. The
space bar is the long key that is located at the centre of the Braille keyboard. The
eight rectangular keys located at the left and right of the space bar are the Braille
input keys. The four square keys are the Ctrl key, Windows key, Enter key and Alt
key. From left to right the keys are labeled as Ctrl key, Braille key 7, Braille key 3,
Braille key 2, Braille key 1, Windows key, Enter key, Braille key 4, Braille key 5,
Braille key 6, Braille key 8 and the Alt key.
