Reset and Select Options
Use the reset options to reset one of the values alone or to reset both the Trackers and the shift values.
Select All TrackersSelects all Trackers so that any changes made are simultaneously made to all Trackers.
Deselect TrackersDeselects all Trackers so that individual ones can be manipulated.
Reset Shift OnlyResets all keyframes associated with the selected Tracker(s) without changing the reference box contents. The associated keyframes in the element folder get reset to 0.
Reset Tracker(s)Resets the reference and tracker boxes to their default sizes and default positions in the frame. This also resets the shift values. The associated keyframes in the element folder get reset to 0.