HTC Inspire 4G - Manual (Page 65)

65 Keyboard
Other settings
Sound feedback Select to hear a clicking sound whenever you tap a key on the
keyboard.
Vibrate when typing Select to enable vibration feedback whenever you tap a key on
the keyboard.
Finger touch precision
Calibration tool Tap to re-calibrate the keyboard touch accuracy. Re-calibrate the
keyboard if you feel that the keyboard keys are not responding
accurately to your taps.
Reset calibration Tap to reset the calibration back to factory default.