Edit exchange rate

①　Press【Edit】, start to edit.

②　Press【t】, the flashing digit will shift to next one on the left.

    ③　Press【u】,the flashing digit will shift to next one on the right.

④　Press【p】, the flashing digit will increase by one.

⑤　Press【q】,the flashing digit will decrease by one.

⑥　Press【ID】,add the dot at cursor blinking place, press it to cancel the dot.

⑦　Press【Edit】, cancel this operation and exit.

⑧　Press【Enter】,save and exit.

Remark: when edit to 9, if go on increasing one, then it will be blanking digit.