   lcd.setCursor(0, 0);
   lcd.print(F("  Dremel Centrifuge"));
   lcd.setCursor(0, 2);
-  lcd.print(F("Set speed: ___"));
+  lcd.print(F("Set speed: ---"));
   lcd.setCursor(0, 3);
   lcd.print(F("   Push to "));
 

        lcd.print(F("  "));

        spinningStartTime = millis();

        mode = Mode::SPINNING;
      } // if(wpb.pressed())
      break;

  variables and functions, as if all were declared `static` (see large comment
  in loop() for details on `static`)
  */
namespace
{
    LiquidCrystal lcd = LiquidCrystal(12, 11, 5, 4, 3, 6);                       // numbers of the interface pins
