This page describes an adjustment tool in the ECMLink application that helps to dial in your speed density (SD) VE table based on combined fueltrim data. If you do not plan to run speed density mode with your car, then this page is completely useless to you and you should ignore it.

The SD VE Adjust (CombinedFT) tool maps out and averages CombinedFT over a range of closed loop driving conditions to produce a set of adjustments to the current SD VE table. It's basically letting the ECU track how much adjustment it needs under various conditions and then moves that adjustment into the SD VE table.