overscan (PaulMM) Administrator Staff member Joined 27 December 2005 Messages 16,536 Reaction score 19,497 5 January 2013 #1 Source: http://home.comcast.net/~wmiipms/NewsLetters/1994/WMIIPMS_12-1994_NL.pdf Attachments CL-1045-text.png 291.1 KB · Views: 197 CL-1045-drawing1.png 94 KB · Views: 182 CL-1045-drawing2.png 113.4 KB · Views: 159