chart: https://bi0l.blogspot.com/2018/02/usdjpy-intraday-forecast-technical-side_7.html

For short-term purchases under the condition of forming reverse signals from (up H1) and / or Key Levels targets (R3, down D1).

Alternative to sales, provided that the (down D1) signals are formed to reduce the rate to the key levels and (up H1), and with a breakdown condition lower with targets (S1, S2, S3).