Velleman projects K8025 Assembly instructions - Manual (Page 12)

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Patterns
Patterns:
PAL, NTSC : 4/3 square grid *
PAL, NTSC : 16/9 square grid *
Grayscale (staircase) **
100% contrast half screens **
Purity patterns ( black, grey, white)
* available also in grey and white pattern
** reverse pattern selectable
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