EC21 Product Catalogs - vagtacho driver http://www.ec21.com/ec-market/vagtacho driver.html Vag Tacho V2.4http://uiocyc.en.ec21.com/Vag_Tacho_V2.4--1937868_1937872.html VAGTACHO USB for WINDOWS SOFTWARE USER GUIDE 1. AGREEMENT By using this software you agree the following: THIS 20091102 Vag Tacho USBV1.7http://uiocarl.en.ec21.com/Vag_Tacho_USBV1.7--540530_1718573.htmlVAGTACHO USB for WINDOWS SOFTWARE USER GUIDE 1. AGREEMENT By using this software you agree the following: THIS SOFTWARE20070612