AUY models are the newest single-range analytical balances engineered with the UniBloc technology. This technology provides a fast response and superb stability in the AUY balances. WindowsDirect function. The balance communicates directly to a PC with Windows^® applications. No additional software is needed to interface with spreadsheets, databases, word processing, and laboratory software. WindowsDirect works with Windows^® 95, 98, 2000, NT4.0, ME and XP. PC must be IBM PC/AT compatible.