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  1. Functional Accessibility Requirements
  2. 5. Generic Requirements
  3. 5.8. Double-strike key acceptance

5.8. Double-strike key acceptance

Where a keyboard or keypad is provided, the delay after any keystroke, during which an additional key-press will not be accepted if it is identical to the previous keystroke, shall be adjustable up to at least 0,5 seconds.

Testing methods

Type of compliance Testing
Pre-conditions
  1.  A keyboard or keypad is provided.
Procedure
  1. Check that there is a mechanism that allows adjustment of the delay after any keystroke, during which an additional key-press will not be accepted if it is identical to the previous keystroke.
  2. Adjust that mechanism to its maximum setting.
  3. Press any key.
  4. After a delay of 0,5 seconds press the same key as that pressed in step 3.
  5. Check whether the keystroke of step 4 has been accepted.
Result Pass: Check 1 is true and check 5 is false
Fail: Check 1 is false or check 5 is true

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