Improve hidden menus (issue #71)

main.c

@@ -119,12 +119,8 @@ void Main(void)
 	{
 		gF_LOCK = true;            // flag to say include the hidden menu items
 		#ifdef ENABLE_FEAT_F4HWN
-			uint8_t Data[8] = {0};
-			EEPROM_ReadBuffer(0x0E70, Data, 8);
 			gEeprom.KEY_LOCK = 0;
-			Data[4] = 0;
-			EEPROM_WriteBuffer(0x0E70, Data);
-
+			SETTINGS_SaveSettings();
 			gMenuCursor = 63; // move to hidden section, fix me if change... !!!
 		#endif
 	}