1) A means for accessing all important information in an auditory-only fashion. This includes all directions and labels for all controls as well as any feedback from controls necessary for their operation.
TEST: All functions of the device can be operated by someone who has never seen the device before with their eyes completely covered.
2) A means for accessing all important information in a visual-only fashion. This includes all help functions and "incidental but important" auditory information such as mechanical sounds which are needed to understand the status or operation of the device.
TEST: All functions of the device can be operated by someone who
has never seen the device before with their hearing completely
blocked with earphones and white noise.
3) Operation can be done at any rate. Response times are adjustable over wide range.
TEST: System operates properly and fully with a 10?? second delay between all movements
4) A means to reverse all choices or to confirm them before they take effect.
TEST: All choices can be made and canceled before they take effect or completely reversed.
5) A means for operating the device with a single button or activation area.
TEST: All information can be accessed and all functions performed without touching anything but a single switch or activation area.
6) A means for obtaining context-sensitive help during operation of the device.
TEST: ????? [ perhaps: Person who has no knowledge of the device can learn how to operate all aspects of it without looking at written documentation. (all on line)]
7) A means for discovering how the different access features work that does not require prior knowledge of the access techniques.
TEST: [People with each of the major disabilities (blindness, deafness, paralysis..) and who have no knowledge of the device can learn how to activate and operate the accessibility features they need to operate the device
8) A physical arrangement which allows approach and use by people seated in wheelchairs..
TEST: Meets ADAAG ......
9) A means for controlling the device and requesting all verbal/text information available from the device via a standard port and data format.
TEST: All aspects of the device can be controlled by a third party device using standard communication protocols and all important information can be obtained and displayed by same device. [A set of standard third party devices or a simulator could be defined]
10) Product will work with and not interfere with the use of prosthetics or assistive devices.
11) All documentation is available in e-text form..
TEST: Meets ADAAG ......
12) Product will not pose a health risk
TEST: hmmmmm
These features are not necessary for providing basic access, but
do make it easier for people to use the devices.
a) ability to adjust the font, or the use of larger fonts.
b) ability to adjust the volume of the device and a wide range
of volume
c) a place to set things down and a place to lean on or hold on
to for stabilization
d) a standard activation behavior for initiating the help function
across devices
d) individual display modalities (sound, visual display, etc.) should be able to be turned off for privacy