For individuals who use switches with computers, Voice Output Communication Aids and/or Environmental Control systems the speed of access can be frustratingly slow. It is therefore important we consider all the influencing factors to ensure we achieve effective switch access.
Critical Questions from “Assistive Technologies: Principles & Practice” by Cook, Hussey :
•Can they use the pointer to reach all the targets on the screen?
•Is the size & spacing of the targets appropriate?
•Complete the action needed to make a selection? i.e. click, drag, double click etc
•Is the sensory feedback provided adequate?
The BIGMack is a single message voice output communication device enabling up to twenty seconds of sound to be recorded and replayed at the press of a switch. Its simplicity of design, durability and ease of access enable it to be an effective resource for the development of communication within a wide range of contexts.
The 2005 edition of the freely-downloadable 53-page guide to introduce software developers to the issues regarding accessible software. Provides an general overview of the access problems posed by various disabilities, and gives guideline advice about how to deal with them.
For the switch user, accessing the essentially mouse-driven Windows environment appears to be a formidable task. SAW (Special Access to Windows) - is software that enables Windows to be controlled by one or two switches,a joystick, a trackerball or a headpointer. SAW has many additions and features to make creating interfaces easy for those who use alternative inputs.