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 complianceTesting
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

 

Requirement details

Reference number: 5.8

Related requirements

Related functional statements

No functional statements are associated with this technical requirement

Related technical requirements

No related technical requirements are associated with this technical requirement