public void setTiming(int i) {

    int j = i / 2;

    if (j < 10) {
      currentLine1 = DeviceTicket.alignCenter(baseLine1.substring(10 - j, 10 + j), 20);
      currentLine2 = DeviceTicket.alignCenter(baseLine2.substring(10 - j, 10 + j), 20);
    } else {
      currentLine1 = baseLine1;
      currentLine2 = baseLine2;
    }
  }