Use the lowest in running start and end filters to loop around a range of research odds.
Lets say you want to look at a course and see how various in running low odds workout for blanket laying of the field.
You would choose your course and your range of in running low odds, so that might be Towcester and 1.02 to 1.30.
You would choose your course from the course tab and then enter 1.02 in the low ir start box and 1.30 in the end box and click the loop button.
This would then run system builds for each of the research odds and show you the returns to laying the field at each of the odds.
You can also set the loop increment to whatever jumps in price you require.