Setting the Keyclick Volume
  Each time you press a key, the keyboard makes a clicking
  sound.  To adjust the keyclick volume:
  1.  Choose Keyboard...  from Session Manager's Options
      menu.
      Session Manager displays the Keyboard Options dialog
      box.
  2.  Drag the arrow in the Percent Volume slider right or left,
      or move the pointer to a location on the slider and click
      MB1.
  3.  Click on the Keyclick Volume Enable button (this is the
      default).
  4.  Click on OK or Apply.
  To turn off the keyclick, click on the Keyclick Volume Disable
  button.  Click on either the OK or Apply button.