You can change the settings for the responses directly from the Custom Profiler report.
Figure 7.6 Response Settings and Controls
Response
The list of one or more responses.
Current Y
The predicted response based on the current X settings. This value updates as the factor settings are changed.
Benchmark
A saved predicted value of the response. Initially, this value is set to the predicted value when all factors are at their mean value.
Reset Benchmark
Updates the benchmark value to the current predicted value.