11.3.2.2.2-12 Keying Feedback

The actuation of a key should be accompanied by tactile or auditory feedback or both.

Additional Information: If there is only one type of feedback, tactile feedback is preferred. Should supplementary auditory feedback be used, the sound should occur at the same point in the displacement for all keys. Supplementary auditory feedback should be adjustable in volume and capable of being turned off. 5908