Optelec
ALVA 640 Comfort
Page 6
English
2. Getting to know your ALVA 640 Comfort
The ALVA 640 Comfort consists of a 40 cell Braille line with advanced navigation
possibilities and a Braille keyboard. This chapter will give a detailed overview of the
lay-out of the ALVA 640 Comfort.
2.1. The ALVA 640 Comfort lay-out
The ALVA 640 Comfort is placed correctly in front of you when the Braille input keys
are located at the back of the flat surface and the thumb keys are facing towards you.
The ALVA 640 Comfort contains:
1. 40-cell Braille display
2. Two eTouch keys (left of the Braille line) for panning left and right or other
screen reading functions
3. Two eTouch keys (right of the Braille line) for panning left and right or other
screen reading functions
4. Five thumb keys for panning, left, right, up and down and returning to the
cursor position
5. 40 Cursor Routing Keys
6. Mini USB connector
7. On/off switch
8. Feature connector
9. The Ctrl key
10. An eight key Braille keyboard (From left to right Braille keys 7, 3, 2, 1, 4, 5,
6, 8)
11. Windows key (to open the Windows Start Menu)
12. Enter key
13. Alt key
14. Space bar 10
9
11 12 13
7
2
3
8 6
4 5 14 1
