Commenting on dismal figures (page five), Data General Corp says product revenues in Europe in the latest first quarter were 30% lower than in both the prior and year-ago quarters, and that lower volume and a shift in product mix resulted in particularly low margins on equipment sales during the quarter; total revenues in its AViiON product line were higher than in both the prior and year-ago quarters, with encouraging results in its AV 9500 systems; it now claims a customer base of more than 23,000 AViiON installations, worth over $1,000m; cash and marketable securities were $168m at the end of the quarter compared with $192m in September.