Diagnostics Mode; Entering And Exiting Diagnostics Mode; Routing And Navrow Button Test; Display Test/Clean - Freedom Scientific Focus 40 Blue User Manual

The Focus braille display has built-in diagnostic tests for the cursor
routing buttons, braille display, WHIZWHEELS, braille keys, panning
buttons, rocker bars, and selector buttons.
Before entering Diagnostics Mode, disconnect the Focus from your
computer and make sure it is powered off.

Entering and Exiting Diagnostics Mode

Simultaneously, press the cursor routing and Navrow buttons farthest to
the left (above cell one) while pressing the power button. The text, "press
cr key/wheel/panel keys," is displayed to indicate that Diagnostics Mode
has been entered.
Press the power button again by itself to exit Diagnostics Mode.

Routing and Navrow Button Test

The routing and Navrow button test ensures that each of the cursor
routing and Navrow buttons on the braille display work properly. Press
any cursor routing button to activate DOTS 5-6-7-8 in the cell below the
button. Press any Navrow button to activate DOTS 1-2-3-4 of the
corresponding braille cell.

Display Test/Clean

It is necessary to disconnect the Focus 40 Blue from your computer and
make sure it is powered off before beginning this test. The display test is
used to ensure that each pin on the braille display can be activated. The
display test also allows you to clean the braille display. Press the power
button while pressing the rightmost cursor routing and Navrow buttons
(above cell 40) simultaneously. This action causes all cells to be
activated for cleaning. Use a soft cloth moistened with isopropyl alcohol.
Do not use any other substance to clean the cells.
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Diagnostics Mode