   // Displays L
   TFTscreen.stroke(0, 255, 0);                      // set the font color
   TFTscreen.setTextSize(2);                         // set the font size 2
-  TFTscreen.text("n ", 30, 55);                     // write the text to coordinates
+  TFTscreen.text("Ln", 30, 55);                     // write the text to coordinates
   // Displays C
   TFTscreen.stroke(0, 255, 0);                      // set the font color
   TFTscreen.setTextSize(2);                         // set the font size 2
-  TFTscreen.text("n ", 90, 55);                     // write the text to coordinates
+  TFTscreen.text("Cn", 90, 55);                     // write the text to coordinates
 
   keypad.addEventListener(keypadEvent);             //add an event listener for this keypad
 }



void incL(float diff) {
	valueRotateL = valueRotateL + diff;
	displayL();
	mechSetPosition(round (valueRotateL), round (valueRotateC));
}

void incC(float diff) {
	valueRotateC = valueRotateC + diff;
	displayC();
	mechSetPosition(round (valueRotateL), round (valueRotateC));

          incC(1);
          break;
        case 'L':                           // used for "L" motor move 1 step CCW
          incL(-100.0);
          break;
        case 'l':                           // used for "L" motor move 1 step CW
          incL(+100.0);
          break;
        case '*':                           // erase entered frequency
          eraseFrequency();
