Printronix ThermaLine Series Programmer's Reference Manual page 191

Code UCC–128 Command Format
BARCODE
UCC–128; [VSCAN;] [MAG;] [Hn[.m];] [BFn] [DARK;] SR; SC
[(D)data field(D)]
[PDF [;LOC] [;FONT]]
STOP
BARCODE
UCC–128
VSCAN
MAG
Hn[.m]
Bar Codes
The Bar Code command; enter BARCODE.
Designates bar code type Code UCC–128; enter
UCC–128.
Optional parameter to orient the bar code structure
vertically. To select a vertical bar code, enter VSCAN.
If VSCAN is not entered, the bar code is oriented
horizontally.
Optional parameter to magnify (horizontally expand)
the bar code symbol. The magnification default value
is X1. Increasing the magnification adjusts printed
character density.
You can also use XR or XRD as defined on page 5–4.
(You must specify 8 digits for MAG for variable ratio.)
Optional parameter to adjust the overall height
(vertical expansion) of the bar code symbol (including
the upper and lower 0.1–inch guard bands and any
human readable data).
Height adjustments are made in 0.1–inch increments;
enter H and a value from 4 to 99 to select height
adjustments from 0.4 to 9.9 inches. The default value is
0.9 inch.
.m is an additional number of dots for the bar code
height. (Dots are in the current dot scale.)
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