Working from the Snap-To window, you will have access to all of the settings that drive the collision detection process including the geometry Set, the target distance, and the manipulated parameter. You may also check the clearance of all components in the Set with a single click!
To perform a manual collision detection or Snap operation, select the desired parameter to be altered from the dropdown menus or simply drag the parameter button to the window to select automatically. Choose your desired target minimum distance and Set and then click “Increase” or “Decrease” as needed to change the model.
Note that the manual collision detection method tends to be more reliable than the interactive “click-and-drag” mode because the manual mode is not dependent on the slider range for updates.