NCR 7158, Руководство пользователя

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7-20 Chapter 7: Programming Guide
Comparison Chart
The following table details the list of commands whose behavior differs
from the
7156
because of the physical differences of a 6 dots/mm head
(
7156
) versus an 8 dots/mm head (
7158
).
Command Description
Difference between
7156
and
7158
configured inA
756
Emulation Mode.
15 n Feed n Dot Rows This command will move the paper on
the receipt in n/203 inch steps instead
of n/152 inch steps.
16 n Add n Extra Dot Rows The dot rows will be measured in n/203
inches versus n/152 inches.
1B 20 n Set Right-Side Character
Spacing This command sets the right side
spacing to “n” horizontal motion units.
By default, these units are in terms of
1/203 inches versus 1/152 inches.
1B 24 n1 n2 Set Absolute Starting
Position For graphics commands, the position is
scaled to best match the previous
product. In text mode, the equivalent
character position is calculated.
1B 26 s c1 c2 n1 d1...nn dn ] Define User-Defined
Character Set
Since the dots on the new printhead are
smaller, user-defined characters that
were used on the previous printer will
appear smaller on the new printer.
1B 2A m n1 n2 d1...dn Select Bit Image Mode In A756 Emulation Mode, graphics are
scaled to best match the size of the
graphic in the previous printer.
1B 33 n Set Line Spacing This command uses n in terms of n/360
inches. Since the previous product had
a fundamental step of 1/180 inch and
the new product has a fundamental
step of 1/203 inch, the actual line
spacing will not exactly match the
requested spacing.
1B 4A n Print and Feed Paper (Same as above)
1B 59 n1 n2 d1...dn Select Double-Density In A756 Emulation Mode, the printer