Select Low-Speed Double Density Graphics Mode; Select High-Speed Double Density Graphics Mode - Intermec 6820 User Manual

Chapter 4 — Control Code Definitions
72

Select Low-Speed Double Density Graphics Mode

If Single Density graphics does not produce high enough density, try
this mode. The number of dots per inch is doubled. However, the
speed is reduced to half of what it would be with single density. For
more information on calculating the parameters, n1 and n2, see
"Nine-Pin Graphics Modes" on page
This is 8-pin single density graphics. The resolution is now 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.
Format
Decimal
27 76 n1 n2

Select High-Speed Double Density Graphics Mode

This 8-pin graphics mode produces the same density as the
Low-Speed Double Density mode, however, the speed is doubled. For
more information on calculating the parameters, n1 and n2, see
"Nine-Pin Graphics Modes" on page
Format
Decimal
27 89 n1 n2
The resolution is still 120 dots per inch. Each 8-in line can
accommodate 960 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.
73.
Hex
1B 4C n1 n2
73.
Hex
1B 59 n1 n2
6820 Series 80-Column Printer User Manual
ASCII
ESC "L" n1 n2
ASCII
ESC "Y" n1 n2