overscan (PaulMM) Administrator Staff member Joined 27 December 2005 Messages 16,495 Reaction score 19,294 5 January 2013 #1 Source: http://home.comcast.net/~wmiipms/NewsLetters/1995/WMIIPMS_03-1995_NL.pdf Attachments L-139-text.png 29 KB · Views: 262 L-139-drawing.png 91.7 KB · Views: 275