The DTM :  X Speed dialog box for X play, allows the
  user to specify the speed of script playback.

1  –  Speed Scale

  To change the speed of the script play.

2  –  SpeedOk Btn

  Click on the OK button to apply your changes and close
  the dialog box.

3  –  SpeedReset Btn

  Click on the Reset button to reset the state of the
  Playback Speed slider.

4  –  SpeedCancel Btn

  Click on the Cancel button to cancel changes and
  dismiss the dialog box.

5  –  SpeedHelp Btn

  For additional information on DTM :  X Speed, Click on
  one of the list of topics below.