       case 'h':
       case 'H':
         mode = human;
-        Serial.println("Human readable mode - only ASCII allowed. Escape to exit");
+        Serial.println("Human readable mode - only ASCII allowed. Enter a char over 127 to exit.");
         break;
       case 'x':
       case 'X':

      isHigh = true;
      lastTime = now;
    }
  }
}



unsigned long lastTime = 0;
unsigned long now = 0;
bool isHigh = false;
int value = 0;
byte character = 0;
