Only display this person #lino did you regulate to repair it ? I've similar difficulty. Did you observe that the change indicators are usually not Operating? is Okay ? ??? ??? ????? ??? ???? ?? ??? ???? ????????? ?????? ? ???????? ?? ??????? ????? ??????? ? ?????? ?? ????? ??????? ? ????????? ? ??????? ? ??????? ? ????? ?????? ? ???? . ??? ???? ?