       //discard anything more than one char long
       clearSerialBuf();
       
+      defaultCase = false;
       
       switch(rx_byte)
       {

  
      //discard anything more than one char long
      clearSerialBuf();
      
      switch(rx_byte)
      {


//Main menu for the program
void loop() {

  //only display the menu system if anything is typed into the serial terminal
  if (Serial.available() > 0) 
  {
    rx_byte = Serial.read();

