Which option describes a correct procedure to adjust preset parameters?

The option that accurately details the procedure to adjust preset parameters is associated with the Engine Edit Tab, specifically through the Fader Assign section. This process is essential within the TC Electronic System 6000 because the Engine Edit Tab offers comprehensive control over the various processing engines and their associated parameters.

The Fader Assign feature allows users to map parameters to physical faders, providing a hands-on way to adjust values in real time. By selecting specific parameters within this menu, users can ensure that they are working with the correct settings that pertain directly to the engine being utilized. This method not only streamlines the workflow but also enhances the user experience by facilitating quick adjustments and fine-tuning during live performances or mixing sessions.

Other options may suggest alternative ways to access parameters, but they do not align with the specific and effective approach of using the Engine Edit Tab in conjunction with Fader Assign, which is a standard practice for precise adjustments in the S6000 environment.