Files: Version 2A with warm-up timer, +13V regulated supply, reorganized connectors. Updated 15 August 1996. SCRNREG.DOC Circuit description and component values in Word for Windows 6 format SCRNREG.TXT Circuit description and component values in ASCII text format SCRN-LJ2.ZIP Diagrams and PCB layout as binary files to copy to LaserJet printer SCRN-PLT.ZIP Diagrams and PCB layout in HP7475 plotter format NB: PCB layout is drawn by multiple-line scribing - very slow and hard wear on pen.