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Last Revision: 05/21/09
Section 1194.21 Software Applications and Operating Systems – Detail
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Criteria Supporting Features Remarks and explanations
(a) When software is
designed to run on a system
that has a keyboard,
product functions shall be
executable from a keyboard
where the function itself or
the result of performing a
function can be discerned
textually.
Some limitations exist
Some commands that can be described textually cannot be
executed from the keyboard. Print Job Submission and Job
Management do not support Assistive Technology.
(b) Applications shall not
disrupt or disable activated
features of other products
that are identified as
accessibility features, where
those features are
developed and documented
according to industry
standards. Applications also
shall not disrupt or disable
activated features of any
operating system that are
identified as accessibility
features where the
application programming
interface for those
accessibility features has
been documented by the
manufacturer of the
operating system and is
available to the product
developer.
Supports
The product software does not override or disable accessibility
features of the host operating system or other software
possessing features that have been developed and
documented according to industry standards.
(c) A well-defined on-screen
indication of the current
focus shall be provided that
moves among interactive
interface elements as the
input focus changes. The
focus shall be
programmatically exposed
so that Assistive Technology
can track focus and focus
changes.
Supports
(1) A well defined, on-screen indication of the current focus is
provided, and the focus is programmatically exposed so that
Assistive Technology can track focus and focus changes
(d) Sufficient information
about a user interface
element including the
identity, operation and
state of the element shall
be available to Assistive
Technology. When an
image represents a program
element, the information
conveyed by the image
must also be available in
text.
Some limitations exist
The program code does not make available the identity,
operation, and state of some or all of the program’s user
interface elements to Assistive Technology.
(e) When bitmap images Supports Bitmap image meanings remain consistent throughout the
