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Larry Pina

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Larry Pina (born November 12, 1947) is an author of five do-it-yourself repair manuals for Apple Macintosh computers and peripherals. Pina authored the Mac shareware utility Test Pattern Generator (TPG) which allowed users to test and measure various video screen characteristics via test patterns.[1] Among other circumstances, Mac users could use the TPG utility after performing hardware upgrades to check if the screen alignment needed adjusting.[1] According to several of the books, Pina was living in Westport, Massachusetts when they were published.



  1. ^ a b "Washington Apple Pi Journal" (PDF). Washington Apple Pi. 18 (4). Washington Apple Pi, Ltd.: 93 1996. ISSN 1056-7682. Retrieved 2015-10-27.
  2. ^ Pournelle, Jerry (October 1992). "On the Road Again". BYTE. p. 112.

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