For terse CopyThru directions, click here. CopyThru help is unavailable while CopyThru is copying. To select CopyThru options, click here. CopyThru options can not be changed while CopyThru is copying. You must select valid source, destination, and intermediate volumes before this "Go" button is enabled. To start copying, click this "Go" button. CopyThru is already running -- clicking on this "Go" button will have no effect. You must select valid source, destination, and intermediate volumes before this "Stop/Go" button is enabled. To start copying, click and release this stop button. To abort CopyThru, click this stop button. This is CopyThru's main window. To move it, click anywhere (except on a button) and drag.