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4. Smartpad (left) with 5-way navigation key and 4 keys for easy access to
mainstream devices
5. Smartpad (right) with 5-way navigation key and 4 keys for easy access to
mainstream devices
6. Thumbkeys for panning left, right, up and down and returning to the cursor
position
7. 80 Cursor Routing Keys
8. Power supply and keyboard connectors
9. USB ports (left and right)
10. On/off switch
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8
6
2.3.1 Surface and front panel lay-out
The ALVA BC680 is designed with a row of 80 Braille cells at the back of the flat
surface. In front of the Braille cells one row of small buttons can be found, known as
Cursor Routing Keys. Each Braille cell has a corresponding Cursor Routing Key that
can be used for multiple functions. One the left and right side of the Braille line you
will find two groups of two keys. These so-called eTouch keys can be used for Braille
panning left and right as well as various other screen reader functions.
In front of the Cursor Routing Keys, you will find two groups of 9 keys. These groups
are called Smartpad. The ALVA BC680 contains a Smartpad Left (below dots 11 to
30) and a Smartpad Right (in front of dots 51 to 70). Each Smartpad consists of 4
function keys and a 5-way navigation key. The Smartpad can be used for operating
mainstream devices, such as PC's, (Smart)phones and PDA's.
2.3.2 Back panel lay-out
At the back of the Braille Controller, two USB ports can be found. The left USB port
(marked with one dot) can be used for charging the integrated batteries over USB
and for connecting the optional built-in screen reader with your PC. The right USB
port has been marked with two dots and this port can not be used for charging the
integrated batteries over USB and for connecting the optional built-in screen reader
with your PC.
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