Honeywell 6824, User Manual

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Appendix B – Printer Control Codes
86 6824 Mobile Full Page Printer User Manual
Nine-Pin Graphics Control Codes
These 9-pin graphics control codes also require two parameters,
n1
and
n2
.
They are calculated differently than in the 8-pin graphics modes.
First, determine the value for
n
, which is the total number of dots needed for the
graphics string. Divide
n
by 2, then divide the result by 256. Then
n2
is the
quotient (the whole number) and
n1
is the remainder. If you require less than 256
dots (columns), then
n1
indicates the number of dots and
n2
is set to zero.
Select Low-Speed Quadruple Density Graphics Mode
Description: With this 8-pin graphics mode, the number of dots per inch has gone up to 4x what it
was in single density.
The resolution is now 240 dots per inch. Each 8-inch line can accommodate 1920
columns of graphic dots. A graphic string that exceeds the length of the print line is
discarded. Make sure adjacent dots in a given dot row are not printed.
To calculate n1 and n2 , divide n (total number of dots needed for the graphics string) by
256. Then n2 is the quotient (the whole number) and n1 is the remainder. If you require
less than 256 dots (columns), then n1 indicates the number of dots and n2 is set to zero.
Decimal: 27 90 n1 n2
Hex: 1B 5A n1 n2
ASCII: ESC “Z” n1 n2
Select 9-Pin Single Density Graphics Mode
Description: Enables single density 9-pin graphics mode. The resolution is 60 dots per inch. Each 8-
inch line can accommodate 480 columns of graphic dots. A graphic string that exceeds
the length of the print line is discarded.
To calculate the values for n1 and n2 , determine the value for n , which is the total
number of dots needed for the graphics string. Divide n by 2, then divide the result by
256. Then n2 is the quotient (the whole number) and n1 is the remainder. If you require
less than 256 dots (columns), then n1 indicates the number of dots and n2 is set to zero.
Decimal: 27 94 0 n1 n2
Hex: 1B 5E 00 n1 n2
ASCII: ESC “^” (0) n1 n2
Select 9-Pin Double Density Graphics Mode
Description: Enables double density, 9-pin graphics mode. The resolution is 120 dots per inch. Each
8-inch line can accommodate 960 columns of graphic dots. A graphic string that
exceeds the length of the print line is discarded.
To calculate the values for n1 and n2 , determine the value for n , which is the total
number of dots needed for the graphics string. Divide n by 2, then divide the result by
256. Then n2 is the quotient (the whole number) and n1 is the remainder. If you require
less than 256 dots (columns), then n1 indicates the number of dots and n2 is set to zero.
Decimal: 27 94 1 n1 n2
Hex: 1B 5E 01 n1 n2
ASCII: ESC “^” (1) n1 n2