Download Manuals On this page you download the WCM manuals. (PDF-format*). Please click on the images to start downloading. WCM-controllo Versione 4.0 Manuale d'uso WGM-continuo Versione 4.0 Manuale di installazione  * To view PDF-files, you will need Adobe Acrobat Reader. If you don't have this program, please click on the icon on the right and follow the instructions to download the software. An internal error occurred in the Microsoft Windows HTTP Services