Guidelines
Checklist for Keys
 No significant benefits  Minor benefits  Major benefits |
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| A recognised layout of keys is used
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| The '5' key is marked tactually |
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| The keys are well spaced |
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| The keys have concave tops |
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| A legible typeface has been used to mark the keys |
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| The keys are tactually discriminable by shape |
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| The keys are colour coded according to the relevant standard |
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| There is tactual feedback on key press |
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| There is auditory feedback on key press |
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| The system can be used comfortably by someone who is left-handed |
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| The keypad can be reached and used by someone in a wheelchair |
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| The keys are internally illuminated when active |
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Last updated: 19.02.2008 © Copyright reserved
