 
   keypad.addEventListener(keypadEvent);             //add an event listener for this keypad
 }
+
+void displaySWRvalue() {
+    EraseDisplaySWR();
+    displaySWR();
+}
+
+
 
 void SetFrequencyStage1() {
 	// STAGE 1 tuning process

  TFTscreen.text("SET", 5, 117);                    // write the text to coordinates
  TFTscreen.setTextSize(2);
  TFTscreen.text("f:", 25, 110);
  // Displays L
  TFTscreen.stroke(0, 255, 0);                      // set the font color
  TFTscreen.setTextSize(2);                         // set the font size 2

  TFTscreen.setTextSize(2);
  TFTscreen.stroke(0, 20, 30);
  TFTscreen.text(enteredFreq, 50, 110);
}

void displaySWR() {                                         // display SWR values
  dtostrf(valueSWR, 5, 2, DisplayValueSWR);
  TFTscreen.stroke(0, 255, 0);
  TFTscreen.setTextSize(2);
  TFTscreen.text(DisplayValueSWR, 40, 15);
}

void EraseDisplaySWR() {                                   // erase display SWR values
  TFTscreen.stroke(0, 20, 30);
  TFTscreen.setTextSize(2);
  TFTscreen.text(DisplayValueSWR, 40, 15);
}

void displayL() {                                         // display L values
