respective to the direction the buttons are pointed. These keys are also
used in conjunction with other keys to create hot key commands.
Along the far edge of the top face of the unit, are located a speaker and 2
LED lights. The speaker is located between dot 1 and dot 4 and is used to
output system sounds and audio alerts.
The LED lights are located above the navigation buttons on the right side of
the top face. The left LED light shows Bluetooth status; when Bluetooth is
activated, this LED light turns blue. The right LED indicates the status of
the power; when you are charging the unit, the LED turns red. When the
Braille EDGE 40 is powered on, the LED turns yellow. These LED lights
help a sighted person easily determine the status of the unit when working
with students. This helps them quickly evaluate whether options need to be
changed for accomplishing current tasks, or if options are activated
unnecessarily, and can be turned off to save power, etc.
1.4.2 Left Panel
The left panel contains 2 items. About halfway between front and rear of the
unit is the Bluetooth on/off switch. Slide the switch toward the rear of the
unit to turn Bluetooth on. There is a Braille let
ter “b” behind the Bluetooth
switch to indicate the correct direction. Slide the switch toward the front of
the unit to turn Bluetooth off, in which case, you can save power while
using the internal applications on the unit or while the unit is used as a
Braille terminal via USB.
Near the rear of the unit on the left panel is the SD card slot. The Braille
EDGE 40 can accommodate high capacity SD cards up to 32GB.
1.4.3 Right Panel
The Right panel of the Braille EDGE 40 contains the USB OTG port and
the AC adapter jack. Nearer the front of the unit on the right panel is a small
