PDF of manual for XLerator 12.5 and XLerator 18 circa 1993
(2022-05-27 Checked download - looks ok aside from blank page at end - JDM)
DAFacts V4 included some introductory advertising about the XLerator 12.5 -- see DaFax "DAFacts" Advertising Brochures (https://lisalist2.com/index.php/topic,283.msg2109.html)