So, initial, I turn the dose selector for the flow Test symbol. Future, press and hold during the dose button until the dose counter displays 0, along with the 0 ought to line up Using the dose pointer.????: ? ?????, ??? ?????? ???????????? ????? ??? ???? ???????? ????????, ??????? ??? ????????? ??? ?? ????????. ??????, ?????? ?????? ?? ?????, ????