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Friday 10 November 2017 at 12:39
Following up: I edited the images (G is 0x1289, E is 0x1287, A is 0x1283, R is 1294, S is 1295) the to be the ones I wanted. Good news/bad news: my filled in letters show up correctly for hitting the GEARS targets, bad news the end of ball "BONUS" and "REPLAY" that use the same letters are misspel...
Source: http://pinside.com/pinball/forum/topic/acdc-display-and-modify-dot-matrix-images/page/51#post-4067022