D3 Instructional Video and User Guides Instructional Video Click on the links below to see the complete video or chapter videos. Click here to see D4R Pro videos User Guide Click on the links below to view or download the complete user guide or individual chapters. Complete User Guide D3 User Guide (58.9 Kb) D3 Parts and Diagram (2.7 Mb) Introduction Introduction (692.1 Kb) If you unable to open a pdf, check that you have the latest version of Adobe Reader. If not, click on the icon below to download it from the Adobe website. If you have technical questions please contact us by email at firstname.lastname@example.org or by toll free phone at 800-663-8932.