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Thank you for visiting Digitizer Technology's website: home of the Virtual Tablet Interface™ and high-performance, fully Wintab-compatible, drivers since 1992 for over 500 digitizers including Summagraphics, CalComp, GTCO, ALTEK, Kurta, Wacom, ARISTO, Hitachi, Kontron, Numonics, Houston Instruments, Mitsubishi, Science Accessories, Genius, AceCad and LASICO.

The current version is Release v7.03 for Windows Vista and XP dated January 8, 2010 and Release v7.11 for Windows 7, Vista and XP (still in testing) dated April 16, 2010. It is free for registered users of Version 7 and requires an upgrade for registered users of Versions 1-6. For all others, this is a free 30-day trial demonstration edition.

The Virtual Tablet Interface™ is a digitizer software suite for applications running under Microsoft® Windows™ 7, Windows Vista or Windows XP (both 32-bit and 64-bit platforms). In addition to the highest performance digitizer device drivers and utilities available for Windows, the Virtual Tablet Interface provides the capability to create color templates for use with any Windows application.

What's New in Version 7

  •  In addition to new and improved features, Version 7 of the Virtual Tablet Interface now supports Windows 7, Vista and Windows XP (both in 32-bit and 64-bit editions).

  • Support for Windows 2000; Windows 9X versions including Windows 95, Windows 98 and Millennium; and all 16-bit platforms including Windows 3.1 and Windows for Workgroups has been discontinued.


  •  Support for CalComp DrawingBoard VI, GTCO AccuTab II and IV, and GTCO Super L VI digitizers has been added.

  •  Support for Com 5 and Com 6 has been added to facilitate Serial-USB converters.

  •  An intermittent error in saving and restoring task settings on machines running more than 64 processes has been fixed.


  •  Changing tablet types now gives you a choice of rescaling regions so long as the regions remain within the new active area size.


  •  All documentation is now supplied in HTML.

  •  Documentation in Portable Document Format (PDF) has been discontinued.

Known Issues

  •  Users must manually start the Tablet Manager from the list of blocked startup programs in Windows Defender under Windows Vista when User Account Control (UAC) is enabled.

  •  USB tablets are not currently supported under Windows Vista.

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Copyright © 2010 Digitizer Technology Company LLC
Last modified: January 25, 2010