QFile oldsett("C:/Private/10202BE9/10282EDC.txt");
	if (!oldsett.exists()) return -1;
	QFile on("E:/data/SymbianTuning/noisesuppr/ON.txt");
	if (!on.exists()) return -2;
	QFile off("E:/data/SymbianTuning/noisesuppr/OFF.txt");
	if (!off.exists()) return -3;

	if (on.readAll() == oldsett.readAll()) return 1;
	if (off.readAll() == oldsett.readAll()) return 0;
	return -4;