 
 boolean presentValue = false;
 
- String EnteredFreqString, TuningFreqString;
- String DisplayValueLstring;
+String EnteredFreqString, TuningFreqString;
+String DisplayValueLstring;
 
 int i;
 

const byte COLS = 4; // Four columns
// Define the Keymap
char keys[ROWS][COLS] = {
// Buttons association 1=1 2=2 3=3 4=4 5=5 6=6 7=7 8=8 9=9 0=0 *=Led OFF #=Led ON
// TOP Buttons  C c L l
//Buttons in middle H U D S

// COL0-pin1, COL1-pin2, COL2-pin3, COL3-pin4 
  {'S', '1', '2', '3'}, // ROW0-pin5      
  {'K', '4', '5', '6'}, // ROW1-pin6
  {'U', '7', '8', '9'}, // ROW2-pin7      
  {'D', '*', '0', '#'}, // ROW3-pin8
  {'c', 'C', 'h', 'H'}  // ROW4-pin9
       
};

// Connect keypad ROW0 Pad pin ->> 5=30 <<- pin Mega, ROW1 6=32, ROW2 7=23, ROW3 8=25, ROW4 9=27

    displayRefresh = false;
  }


}
