*/
  protected long getShortDelay() {
    return 50;
  }

  /** Sets delays as multiples of SHORT_DELAY. */
  protected void setDelays() {
    SHORT_DELAY_MS = getShortDelay();
    SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
    MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
    LONG_DELAY_MS = SHORT_DELAY_MS * 200;
  }

  /**