56 Océ 3050 User Manual
34). The M, for example is always in row -1 and row 4, the Z in row 0 and row
8.
[30] Hollerith punches in vertical direction
The correct identification of the punches is already programmed in the
hardware of the hollerith reader in the scanner and needs no further attention.
The punches in the horizontal direction (row) The interpretation of the
numbers and characters in the horizontal direction (row) is company or project
specific. Every company had made the structure of the punched information in
the horizontal direction according to their specific (internal0 demands.
Sometimes more than one structure exists:
■ because also cards from other companies/subcontractors are in use
■ because in time the card structure changed to meet new demands
[31] Hollerith punches in horizontal direction
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