An idea just off the top of my head: Put a physical grid over
the touch screen so the blind OP can find the buttons. A grid of
2mm x 2mm bars separated into 15-20mm areas might work well.
Have the radio speak the status of the button when it is
pressed. If you have two-level press sensitivity, like the new
Apple MacBooks, then you can use one level as a request to
report the status and the other as a request to change the
status (press the button). Rectangular areas could be used as
sliders for adjustments etc. (Note that for blind usage, you
don't need a screen. A touch pad alone will do.
One of the great things about amateur radio is that people with
significant handicaps can still play. One of the board members
of my club is blind. Other members bring him to meetings, and it
is always nice to hear his voice on the air. People who can't
hear can still be expert digital operators. etc.
Elecraft is to be applauded for their commitment to accessibility.
73 Bill AE6JV
On 6/5/16 at 12:37 PM, donw...@embarqmail.com (Don Wilhelm) wrote:
Please tell us how a touchscreen interface can enhance usability for blind
operators.
Elecraft has made a commitment for such usability for all their
radios with those blind operators particularly in mind.
-----------------------------------------------------------------------
Bill Frantz |The nice thing about standards| Periwinkle
(408)356-8506 |is there are so many to choose| 16345
Englewood Ave
www.pwpconsult.com |from. - Andrew Tanenbaum | Los Gatos,
CA 95032
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