HM is correct. A true or "pure" P&F chart would not have a time frame selection in the first place. Unless they have changed it, since I left, the only real P&F chart you can do with eSignal is based on a tick chart. And that used to limit you to two days of data. Maybe it's more now.
Having said that the box and reversal size selection seemed to me to be as arbitrary as a time frame selection. Meaning you'll just have to play around until you find a combination you like. I did spend considerable time back testing various combinations of box size,reversal, time frame, entry/exit rules and never did find anything consistently worth while. Doesn't mean someone else couldn't do better though.
Having said that the box and reversal size selection seemed to me to be as arbitrary as a time frame selection. Meaning you'll just have to play around until you find a combination you like. I did spend considerable time back testing various combinations of box size,reversal, time frame, entry/exit rules and never did find anything consistently worth while. Doesn't mean someone else couldn't do better though.