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Chapter 2. ANSI Emulation GEK-00029B
50
Default Bar Code Characteristics
p1=4 Code 39
p2=9 3/4 inch height
p3=1 Human-readable line printed
p4=2 Narrow bar width 1/60 inch
p5=6 Wide bar width 1/20 inch
p6=2 Narrow space width 1/60 inch
p7=6 Wide space width 1/20 inch
p8=2 Intercharacter space width 1/60 inch
p9=0 No rotation, use currently selected font
p10=0 Horizontal print density 60 dpi
Human-Readable Line (HRL)
The human-readable line is printed 0. 10 inch below the bar code
symbol. The height of the HRL and the 0.10 inch space are not
included in the bar code height parameter (p2).
A diamond symbol appearing in the human-readable line indicates
one of the following conditions:
• Margin overrun. The data to be printed exceeds the available space
remaining inside the programmed margins.
• The DEL character has been received while printing in a bar code
style that permits the use of all 128 ASCII characters.
• An invalid character has been received. An example of this would be
a letter "A" sent to the printer while printing a style 5 bar code.
Style 5 (EAN-8) only accepts the digits 0-9.
Font Styles and Enhancements
Non-rotated bar codes can be printed with an HRL in any of the fonts
available to the printer.
If enhancements are desired (e.g., bold, underline, or expanded) the
HRL must be printed using the normal text mode. Print the bar code
symbol(s) without the HRL first. Exit the bar code mode and print the
HRL using the normal text mode with enhancements.
Rotated bar codes use a special font for the human-readable line.
Spacing and Bar Code Editing Aids
There is a 0.25-inch space called a quiet zone at the beginning and
end of every bar code. As a result, the minimum distance between
two horizontal bar codes is 0.50 inch.
Most bar code styles accept commas. spaces, and horizontal tabs as
delimiters to separate bar codes. A comma adds no additional space
between bar codes, so the separation is the width of the quiet zone or
0.50 inch. A space character adds 0.10 inch to the quiet zone for a
total of 0.60 inch separation. A horizontal tab adds the appropriate
number of empty spaces to go to the next tab.