         case 'U':                           // "L" motor move 100 step CW
           incL(+10.0);
           break;
-///        case '*':                           // erase entered frequency
-//          eraseFrequency();
-//          break;
+        ///        case '*':                           // erase entered frequency
+        //          eraseFrequency();
+        //          break;
         case 'S':                           // erase entered frequency
           mechAutoTune();
           break;

          +  9.4929814793314678e-054 * pow(x, 12);
}



//void eraseFrequency() {                         // when * pressed - erases entered frequency bottom of the screen
//  EnteredFreqString = "";

  TFTscreen.text(DisplayValueSWR, 40, 5);
}


double stepsToMh(float x) {
  return  3.2408606623203362e-001 * pow(x, 0)
