operate unloading apparatus at a synchronized ratio to ground speed for maintaining integrity and shape of the module and which is quickly and easily switchable between the automatic mode and a manual mode that allows an operator to position and operate the unloading apparatus independent of ground speed for purposes such as placing the module at a precise location such as next to an already unloaded module or the like application_number US 20648808 A description referring now to the drawings in fig1 and 1 a a cotton harvesting machine 10 is shown including a cotton packager or module builder 12 and a pivoting unloading door 14 shown in a folded or closed position fig1 and in an unfolded or deployed position fig1 a module builder 12 includes an interior that defines a cotton compacting or module building chamber 16 for receiving cotton from harvesting units 18 of machine 10 and in which the harvested cotton is compacted into a unitary body or module of cotton not shown in the well known conventional manner it should be noted that for the purposes herein the terms ramp and door are considered to be interchangeable and that the term cotton module builder is to.