| Alternate
Input Devices |
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| Users can
“select” |
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| on-screen
keys in a |
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| number of
ways. |
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| Ü | Light
pointers |
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| Ü | Pneumatic
puff |
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| switch |
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| Ü | Body switch,
etc. |
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| Using
mouth to access |
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| an
on-screen keyboard |
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